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Structure of yeast RNA Polymerase III Delta C53-C37-C11

Source organism: Saccharomyces cerevisiae W303
Biochemical function: RNA polymerase III activity
Biological process: tRNA transcription by RNA polymerase III
Cellular component: RNA polymerase III complex

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EC 2.7.7.6: DNA-directed RNA polymerase

Reaction catalysed:
Nucleoside triphosphate + RNA(n) = diphosphate + RNA(n+1)
Systematic name:
Nucleoside-triphosphate:RNA nucleotidyltransferase (DNA-directed)
Alternative Name(s):
  • C RNA formation factors
  • C ribonucleic acid formation factors
  • DNA-dependent RNA nucleotidyltransferase
  • DNA-dependent RNA polymerase
  • DNA-dependent ribonucleate nucleotidyltransferase
  • Deoxyribonucleic acid-dependent ribonucleic acid polymerase
  • RNA nucleotidyltransferase
  • RNA nucleotidyltransferase (DNA-directed)
  • RNA polymerase
  • RNA polymerase I
  • RNA polymerase II
  • RNA polymerase III
  • RNA transcriptase
  • Ribonucleate nucleotidyltransferase
  • Ribonucleate polymerase
  • Ribonucleic acid nucleotidyltransferase
  • Ribonucleic acid polymerase
  • Ribonucleic acid transcriptase
  • Ribonucleic polymerase
  • Ribonucleic transcriptase
  • Transcriptase

GO terms

Sequence families

Pfam Protein families (Pfam)
PF11705
Domain description: DNA-directed RNA polymerase III subunit Rpc31
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC7
The deposited structure of PDB entry 7z1n contains 1 copy of Pfam domain PF11705 (DNA-directed RNA polymerase III subunit Rpc31) in DNA-directed RNA polymerase III subunit RPC7. Showing 1 copy in chain N [auth Q].

PF05158
Domain description: RNA polymerase Rpc34 subunit
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC6
The deposited structure of PDB entry 7z1n contains 1 copy of Pfam domain PF05158 (RNA polymerase Rpc34 subunit) in DNA-directed RNA polymerase III subunit RPC6. Showing 1 copy in chain M [auth P].

PF20912
Domain description: DNA-directed RNA polymerase III subunit RPC3, helical hairpin domain
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC3
The deposited structure of PDB entry 7z1n contains 1 copy of Pfam domain PF20912 (DNA-directed RNA polymerase III subunit RPC3, helical hairpin domain) in DNA-directed RNA polymerase III subunit RPC3. Showing 1 copy in chain L [auth O].

PF22536
Domain description: POLR3C, C-terminal winged-helix domain
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC3
The deposited structure of PDB entry 7z1n contains 1 copy of Pfam domain PF22536 (POLR3C, C-terminal winged-helix domain ) in DNA-directed RNA polymerase III subunit RPC3. Showing 1 copy in chain L [auth O].

PF05645
Domain description: RNA polymerase III subunit RPC82
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC3
The deposited structure of PDB entry 7z1n contains 1 copy of Pfam domain PF05645 (RNA polymerase III subunit RPC82) in DNA-directed RNA polymerase III subunit RPC3. Showing 1 copy in chain L [auth O].

PF08221
Domain description: RNA polymerase III subunit RPC82 helix-turn-helix domain
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC3
The deposited structure of PDB entry 7z1n contains 1 copy of Pfam domain PF08221 (RNA polymerase III subunit RPC82 helix-turn-helix domain) in DNA-directed RNA polymerase III subunit RPC3. Showing 1 copy in chain L [auth O].

PF03604
Domain description: DNA directed RNA polymerase, 7 kDa subunit
Occurring in:
  1. DNA-directed RNA polymerases I, II, and III subunit RPABC4
The deposited structure of PDB entry 7z1n contains 1 copy of Pfam domain PF03604 (DNA directed RNA polymerase, 7 kDa subunit) in DNA-directed RNA polymerases I, II, and III subunit RPABC4. Showing 1 copy in chain K [auth L].

PF13656
Domain description: RNA polymerase Rpb3/Rpb11 dimerisation domain
Occurring in:
  1. DNA-directed RNA polymerases I and III subunit RPAC2
The deposited structure of PDB entry 7z1n contains 1 copy of Pfam domain PF13656 (RNA polymerase Rpb3/Rpb11 dimerisation domain) in DNA-directed RNA polymerases I and III subunit RPAC2. Showing 1 copy in chain J [auth K].

PF01194
Domain description: RNA polymerases N / 8 kDa subunit
Occurring in:
  1. DNA-directed RNA polymerases I, II, and III subunit RPABC5
The deposited structure of PDB entry 7z1n contains 1 copy of Pfam domain PF01194 (RNA polymerases N / 8 kDa subunit) in DNA-directed RNA polymerases I, II, and III subunit RPABC5. Showing 1 copy in chain I [auth J].

PF03870
Domain description: RNA polymerase Rpb8
Occurring in:
  1. DNA-directed RNA polymerases I, II, and III subunit RPABC3
The deposited structure of PDB entry 7z1n contains 1 copy of Pfam domain PF03870 (RNA polymerase Rpb8) in DNA-directed RNA polymerases I, II, and III subunit RPABC3. Showing 1 copy in chain H.

PF08292
Domain description: RNA polymerase III subunit Rpc25
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC8
The deposited structure of PDB entry 7z1n contains 1 copy of Pfam domain PF08292 (RNA polymerase III subunit Rpc25) in DNA-directed RNA polymerase III subunit RPC8. Showing 1 copy in chain G.

PF03876
Domain description: SHS2 domain found in N terminus of Rpb7p/Rpc25p/MJ0397
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC8
The deposited structure of PDB entry 7z1n contains 1 copy of Pfam domain PF03876 (SHS2 domain found in N terminus of Rpb7p/Rpc25p/MJ0397) in DNA-directed RNA polymerase III subunit RPC8. Showing 1 copy in chain G.

PF01192
Domain description: RNA polymerase Rpb6
Occurring in:
  1. DNA-directed RNA polymerases I, II, and III subunit RPABC2
The deposited structure of PDB entry 7z1n contains 1 copy of Pfam domain PF01192 (RNA polymerase Rpb6 ) in DNA-directed RNA polymerases I, II, and III subunit RPABC2. Showing 1 copy in chain F.

PF01191
Domain description: RNA polymerase Rpb5, C-terminal domain
Occurring in:
  1. DNA-directed RNA polymerases I, II, and III subunit RPABC1
The deposited structure of PDB entry 7z1n contains 1 copy of Pfam domain PF01191 (RNA polymerase Rpb5, C-terminal domain) in DNA-directed RNA polymerases I, II, and III subunit RPABC1. Showing 1 copy in chain E.

PF03871
Domain description: RNA polymerase Rpb5, N-terminal domain
Occurring in:
  1. DNA-directed RNA polymerases I, II, and III subunit RPABC1
The deposited structure of PDB entry 7z1n contains 1 copy of Pfam domain PF03871 (RNA polymerase Rpb5, N-terminal domain) in DNA-directed RNA polymerases I, II, and III subunit RPABC1. Showing 1 copy in chain E.

PF03874
Domain description: RNA polymerase Rpb4
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC9
The deposited structure of PDB entry 7z1n contains 1 copy of Pfam domain PF03874 (RNA polymerase Rpb4) in DNA-directed RNA polymerase III subunit RPC9. Showing 1 copy in chain D.

PF01000
Domain description: RNA polymerase Rpb3/RpoA insert domain
Occurring in:
  1. DNA-directed RNA polymerases I and III subunit RPAC1
The deposited structure of PDB entry 7z1n contains 1 copy of Pfam domain PF01000 (RNA polymerase Rpb3/RpoA insert domain) in DNA-directed RNA polymerases I and III subunit RPAC1. Showing 1 copy in chain C.

PF01193
Domain description: RNA polymerase Rpb3/Rpb11 dimerisation domain
Occurring in:
  1. DNA-directed RNA polymerases I and III subunit RPAC1
The deposited structure of PDB entry 7z1n contains 1 copy of Pfam domain PF01193 (RNA polymerase Rpb3/Rpb11 dimerisation domain) in DNA-directed RNA polymerases I and III subunit RPAC1. Showing 1 copy in chain C.

PF04560
Domain description: RNA polymerase Rpb2, domain 7
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC2
The deposited structure of PDB entry 7z1n contains 1 copy of Pfam domain PF04560 (RNA polymerase Rpb2, domain 7) in DNA-directed RNA polymerase III subunit RPC2. Showing 1 copy in chain B.

PF00562
Domain description: RNA polymerase Rpb2, domain 6
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC2
The deposited structure of PDB entry 7z1n contains 1 copy of Pfam domain PF00562 (RNA polymerase Rpb2, domain 6) in DNA-directed RNA polymerase III subunit RPC2. Showing 1 copy in chain B.

PF04567
Domain description: RNA polymerase Rpb2, domain 5
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC2
The deposited structure of PDB entry 7z1n contains 1 copy of Pfam domain PF04567 (RNA polymerase Rpb2, domain 5) in DNA-directed RNA polymerase III subunit RPC2. Showing 1 copy in chain B.

PF04566
Domain description: RNA polymerase Rpb2, domain 4
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC2
The deposited structure of PDB entry 7z1n contains 1 copy of Pfam domain PF04566 (RNA polymerase Rpb2, domain 4) in DNA-directed RNA polymerase III subunit RPC2. Showing 1 copy in chain B.

PF04565
Domain description: RNA polymerase Rpb2, domain 3
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC2
The deposited structure of PDB entry 7z1n contains 1 copy of Pfam domain PF04565 (RNA polymerase Rpb2, domain 3) in DNA-directed RNA polymerase III subunit RPC2. Showing 1 copy in chain B.

PF04561
Domain description: RNA polymerase Rpb2, domain 2
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC2
The deposited structure of PDB entry 7z1n contains 1 copy of Pfam domain PF04561 (RNA polymerase Rpb2, domain 2) in DNA-directed RNA polymerase III subunit RPC2. Showing 1 copy in chain B.

PF04563
Domain description: RNA polymerase beta subunit
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC2
The deposited structure of PDB entry 7z1n contains 1 copy of Pfam domain PF04563 (RNA polymerase beta subunit) in DNA-directed RNA polymerase III subunit RPC2. Showing 1 copy in chain B.

PF04998
Domain description: RNA polymerase Rpb1, domain 5
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC1
The deposited structure of PDB entry 7z1n contains 1 copy of Pfam domain PF04998 (RNA polymerase Rpb1, domain 5) in DNA-directed RNA polymerase III subunit RPC1. Showing 1 copy in chain A.

PF05000
Domain description: RNA polymerase Rpb1, domain 4
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC1
The deposited structure of PDB entry 7z1n contains 1 copy of Pfam domain PF05000 (RNA polymerase Rpb1, domain 4) in DNA-directed RNA polymerase III subunit RPC1. Showing 1 copy in chain A.

PF04983
Domain description: RNA polymerase Rpb1, domain 3
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC1
The deposited structure of PDB entry 7z1n contains 1 copy of Pfam domain PF04983 (RNA polymerase Rpb1, domain 3) in DNA-directed RNA polymerase III subunit RPC1. Showing 1 copy in chain A.

PF00623
Domain description: RNA polymerase Rpb1, domain 2
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC1
The deposited structure of PDB entry 7z1n contains 1 copy of Pfam domain PF00623 (RNA polymerase Rpb1, domain 2) in DNA-directed RNA polymerase III subunit RPC1. Showing 1 copy in chain A.

PF04997
Domain description: RNA polymerase Rpb1, domain 1
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC1
The deposited structure of PDB entry 7z1n contains 1 copy of Pfam domain PF04997 (RNA polymerase Rpb1, domain 1) in DNA-directed RNA polymerase III subunit RPC1. Showing 1 copy in chain A.

InterPro InterPro annotations
IPR000268
Domain description: DNA-directed RNA polymerase subunit RPABC5/Rpb10
Occurring in:
  1. DNA-directed RNA polymerases I, II, and III subunit RPABC5
IPR012340
Domain description: Nucleic acid-binding, OB-fold
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC8
  2. DNA-directed RNA polymerases I, II, and III subunit RPABC3
IPR036603
Domain description: RNA polymerase, RBP11-like subunit
Occurring in:
  1. DNA-directed RNA polymerases I and III subunit RPAC1
  2. DNA-directed RNA polymerases I and III subunit RPAC2
IPR024661
Domain description: DNA-directed RNA polymerase III, subunit Rpc31
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC7
IPR036388
Domain description: Winged helix-like DNA-binding domain superfamily
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC3
  2. DNA-directed RNA polymerase III subunit RPC6
IPR005570
Domain description: DNA-directed RNA polymerases I, II, and III subunit RPABC3
Occurring in:
  1. DNA-directed RNA polymerases I, II, and III subunit RPABC3
IPR014381
Domain description: DNA-directed RNA polymerase subunit Rpo5/Rpb5
Occurring in:
  1. DNA-directed RNA polymerases I, II, and III subunit RPABC1
IPR007832
Domain description: RNA polymerase Rpc34
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC6
IPR006591
Domain description: RNA polymerase archaeal subunit P/eukaryotic subunit RPABC4
Occurring in:
  1. DNA-directed RNA polymerases I, II, and III subunit RPABC4
IPR036898
Domain description: RNA polymerase Rpb7-like, N-terminal domain superfamily
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC8
IPR006110
Domain description: RNA polymerase, subunit omega/Rpo6/RPB6
Occurring in:
  1. DNA-directed RNA polymerases I, II, and III subunit RPABC2
IPR036161
Domain description: RPB6/omega subunit-like superfamily
Occurring in:
  1. DNA-directed RNA polymerases I, II, and III subunit RPABC2
IPR006111
Domain description: Archaeal Rpo6/eukaryotic RPB6 RNA polymerase subunit
Occurring in:
  1. DNA-directed RNA polymerases I, II, and III subunit RPABC2
IPR036710
Domain description: RNA polymerase Rpb5, N-terminal domain superfamily
Occurring in:
  1. DNA-directed RNA polymerases I, II, and III subunit RPABC1
IPR036643
Domain description: DNA-directed RNA polymerase, insert domain superfamily
Occurring in:
  1. DNA-directed RNA polymerases I and III subunit RPAC1
IPR011263
Domain description: DNA-directed RNA polymerase, RpoA/D/Rpb3-type
Occurring in:
  1. DNA-directed RNA polymerases I and III subunit RPAC1
IPR015712
Domain description: DNA-directed RNA polymerase, subunit 2
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC2
IPR036390
Domain description: Winged helix DNA-binding domain superfamily
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC6
IPR016049
Domain description: RNA polymerase Rpc34-like
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC6
IPR008806
Domain description: RNA polymerase III Rpc82, C -terminal
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC3
IPR013197
Domain description: RNA polymerase III subunit RPC82-related, helix-turn-helix
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC3
IPR039748
Domain description: DNA-directed RNA polymerase III subunit RPC3
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC3
IPR029040
Domain description: RNA polymerase subunit RPABC4/transcription elongation factor Spt4
Occurring in:
  1. DNA-directed RNA polymerases I, II, and III subunit RPABC4
IPR039747
Domain description: DNA-directed RNA polymerases I, II, and III subunit RPABC4
Occurring in:
  1. DNA-directed RNA polymerases I, II, and III subunit RPABC4
IPR008193
Domain description: DNA-directed RNA polymerase Rpb11, 13-16kDa subunit, conserved site
Occurring in:
  1. DNA-directed RNA polymerases I and III subunit RPAC2
IPR009025
Domain description: DNA-directed RNA polymerase, RBP11-like dimerisation domain
Occurring in:
  1. DNA-directed RNA polymerases I and III subunit RPAC2
IPR022905
Domain description: DNA-directed RNA polymerase subunit Rpo11-like
Occurring in:
  1. DNA-directed RNA polymerases I and III subunit RPAC2
IPR033898
Domain description: DNA-directed RNA polymerases I and III subunit AC19
Occurring in:
  1. DNA-directed RNA polymerases I and III subunit RPAC2
IPR020789
Domain description: RNA polymerases, subunit N, zinc binding site
Occurring in:
  1. DNA-directed RNA polymerases I, II, and III subunit RPABC5
IPR023580
Domain description: RNA polymerase subunit RPB10
Occurring in:
  1. DNA-directed RNA polymerases I, II, and III subunit RPABC5
IPR013238
Domain description: RNA polymerase III, subunit Rpc25
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC8
IPR005576
Domain description: RNA polymerase Rpb7-like , N-terminal
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC8
IPR045113
Domain description: RNA polymerase subunit Rpb7-like
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC8
IPR004519
Domain description: DNA-directed RNA polymerase, subunit E/RPC8
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC8
IPR020708
Domain description: DNA-directed RNA polymerase, 14-18kDa subunit, conserved site
Occurring in:
  1. DNA-directed RNA polymerases I, II, and III subunit RPABC2
IPR028363
Domain description: DNA-directed RNA polymerase, subunit RPB6
Occurring in:
  1. DNA-directed RNA polymerases I, II, and III subunit RPABC2
IPR020608
Domain description: RNA polymerase, subunit H/Rpb5, conserved site
Occurring in:
  1. DNA-directed RNA polymerases I, II, and III subunit RPABC1
IPR000783
Domain description: RNA polymerase, subunit H/Rpb5 C-terminal
Occurring in:
  1. DNA-directed RNA polymerases I, II, and III subunit RPABC1
IPR035913
Domain description: RPB5-like RNA polymerase subunit superfamily
Occurring in:
  1. DNA-directed RNA polymerases I, II, and III subunit RPABC1
IPR005571
Domain description: RNA polymerase, Rpb5, N-terminal
Occurring in:
  1. DNA-directed RNA polymerases I, II, and III subunit RPABC1
IPR038324
Domain description: Rpb4/RPC9 superfamily
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC9
IPR005574
Domain description: RNA polymerase subunit Rpb4/RPC9
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC9
IPR010997
Domain description: HRDC-like superfamily
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC9
IPR038846
Domain description: DNA-directed RNA polymerase III subunit RPC9
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC9
IPR011262
Domain description: DNA-directed RNA polymerase, insert domain
Occurring in:
  1. DNA-directed RNA polymerases I and III subunit RPAC1
IPR001514
Domain description: DNA-directed RNA polymerase, 30-40kDa subunit, conserved site
Occurring in:
  1. DNA-directed RNA polymerases I and III subunit RPAC1
IPR022842
Domain description: DNA-directed RNA polymerase subunit Rpo3/Rpb3/RPAC1
Occurring in:
  1. DNA-directed RNA polymerases I and III subunit RPAC1
IPR033901
Domain description: DNA-directed RNA polymerases I and III subunit AC40
Occurring in:
  1. DNA-directed RNA polymerases I and III subunit RPAC1
IPR007641
Domain description: RNA polymerase Rpb2, domain 7
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC2
IPR007121
Domain description: RNA polymerase, beta subunit, conserved site
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC2
IPR014724
Domain description: RNA polymerase Rpb2, OB-fold
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC2
IPR037033
Domain description: DNA-directed RNA polymerase, subunit 2, hybrid-binding domain superfamily
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC2
IPR007120
Domain description: DNA-directed RNA polymerase, subunit 2, hybrid-binding domain
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC2
IPR007647
Domain description: RNA polymerase Rpb2, domain 5
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC2
IPR007646
Domain description: RNA polymerase Rpb2, domain 4
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC2
IPR007645
Domain description: RNA polymerase Rpb2, domain 3
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC2
IPR037034
Domain description: RNA polymerase Rpb2, domain 2 superfamily
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC2
IPR007642
Domain description: RNA polymerase Rpb2, domain 2
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC2
IPR007644
Domain description: RNA polymerase, beta subunit, protrusion
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC2
IPR035698
Domain description: DNA-directed RNA polymerase III subunit RPC1, C-terminal
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC1
IPR007081
Domain description: RNA polymerase Rpb1, domain 5
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC1
IPR007083
Domain description: RNA polymerase Rpb1, domain 4
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC1
IPR038120
Domain description: RNA polymerase Rpb1, funnel domain superfamily
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC1
IPR042102
Domain description: RNA polymerase Rpb1, domain 3 superfamily
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC1
IPR007066
Domain description: RNA polymerase Rpb1, domain 3
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC1
IPR000722
Domain description: RNA polymerase, alpha subunit
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC1
IPR006592
Domain description: RNA polymerase, N-terminal
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC1
IPR035697
Domain description: DNA-directed RNA polymerase III subunit RPC1, N-terminal
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC1
IPR045867
Domain description: DNA-directed RNA polymerase, subunit beta-prime
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC1
IPR007080
Domain description: RNA polymerase Rpb1, domain 1
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC1
IPR044893
Domain description: RNA polymerase Rpb1, clamp domain superfamily
Occurring in:
  1. DNA-directed RNA polymerase III subunit RPC1

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