Structure analysis

Cryo- EM structure of Mycobacterium smegmatis 30S ribosomal subunit (body 2) of 70S ribosome, bS1 and RafH.

Electron Microscopy
3.5Å resolution
Assembly composition:
hetero 24-mer (preferred)
Entry contents: 23 distinct polypeptide molecules
1 distinct RNA molecule

Assemblies

Assembly 1 (preferred)
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Multimeric state: hetero 24-mer
Accessible surface area: 298250.72 Å2
Buried surface area: 96488.88 Å2
Dissociation area: 1,438.3 Å2
Dissociation energy (ΔGdiss): -2.83 kcal/mol
Dissociation entropy (TΔSdiss): 13.61 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-279087

Macromolecules

Chain: b
Length: 479 amino acids
Theoretical weight: 53.38 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QYY6 (Residues: 1-479; Coverage: 100%)
Gene names: LJ00_19040, MSMEG_3833, MSMEI_3743, rpsA
Pfam: S1 RNA binding domain
PDBe-KB: UniProt Coverage View: A0QYY6  
147950100150200250300350400450
 
200400
UniProt
A0QYY6
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Chain: v
Length: 33 amino acids
Theoretical weight: 4.16 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QR10 (Residues: 1-33; Coverage: 100%)
Gene name: MSMEG_0945
Pfam: Mitochondrial mRNA-processing protein COX24, C-terminal
PDBe-KB: UniProt Coverage View: A0QR10  
13351015202530
 
102030MGSVIKKRRKRMSKKKHRKLLRRTRVQRRKLGK
UniProt
A0QR10
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Chain: d
Length: 275 amino acids
Theoretical weight: 30.19 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QSD7 (Residues: 1-275; Coverage: 100%)
Gene names: MSMEG_1442, MSMEI_1406, rpsC
Pfam:
PDBe-KB: UniProt Coverage View: A0QSD7  
127520406080100120140160180200220240260
 
100200
UniProt
A0QSD7
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Chain: e
Length: 201 amino acids
Theoretical weight: 23.42 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QSL7 (Residues: 1-201; Coverage: 100%)
Gene names: MSMEG_1523, MSMEI_1487, rpsD
Pfam:
PDBe-KB: UniProt Coverage View: A0QSL7  
120120406080100120140160180200
 
50100150200
UniProt
A0QSL7
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Chain: f
Length: 214 amino acids
Theoretical weight: 21.95 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QSG6 (Residues: 1-214; Coverage: 100%)
Gene names: MSMEG_1472, MSMEI_1436, rpsE
Pfam:
PDBe-KB: UniProt Coverage View: A0QSG6  
121420406080100120140160180200
 
100200
UniProt
A0QSG6
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Chain: g
Length: 96 amino acids
Theoretical weight: 10.99 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0R7F9 (Residues: 1-90; Coverage: 100%)
Gene names: MSMEG_6897, MSMEI_6713, rpsF
Pfam: Ribosomal protein S6
PDBe-KB: UniProt Coverage View: A0R7F9  
196102030405060708090
 
50MRPYEIMVILDPTLDERTVAPSLETFLNVIRKDGGTVDKVDIWGRRRLAYEIAKHAEGIYAVIDVKAEPATVSELDRQLNLNESVLRTKVLRTDKH
UniProt
A0R7F9
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Chain: h
Length: 156 amino acids
Theoretical weight: 17.66 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QS97 (Residues: 1-156; Coverage: 100%)
Gene names: MSMEG_1399, MSMEI_1361, rpsG
Pfam: Ribosomal protein S7p/S5e
PDBe-KB: UniProt Coverage View: A0QS97  
115620406080100120140
 
50100150
UniProt
A0QS97
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Chain: i
Length: 132 amino acids
Theoretical weight: 14.49 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QSG3 (Residues: 1-132; Coverage: 100%)
Gene names: MSMEG_1469, MSMEI_1433, rpsH
Pfam: Ribosomal protein S8
PDBe-KB: UniProt Coverage View: A0QSG3  
1132102030405060708090100110120130
 
50100
UniProt
A0QSG3
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Chain: j
Length: 150 amino acids
Theoretical weight: 16.79 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QSP9 (Residues: 1-150; Coverage: 100%)
Gene names: MSMEG_1557, MSMEI_1520, rpsI
Pfam: Ribosomal protein S9/S16
PDBe-KB: UniProt Coverage View: A0QSP9  
115020406080100120140
 
50100150
UniProt
A0QSP9
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Chain: k
Length: 101 amino acids
Theoretical weight: 11.45 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QSD0 (Residues: 1-101; Coverage: 100%)
Gene names: MSMEG_1435, MSMEI_1399, rpsJ
Pfam: Ribosomal protein S10p/S20e
PDBe-KB: UniProt Coverage View: A0QSD0  
1101102030405060708090100
 
50100MAGQKIRIRLKAYDHEAIDASARKIVETVTRTGASVVGPVPLPTEKNVYCVIRSPHKYKDSREHFEMRTHKRLIDILDPTPKTVDALMRIDLPASVDVNIQ
UniProt
A0QSD0
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Chain: l
Length: 138 amino acids
Theoretical weight: 14.67 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QSL6 (Residues: 1-138; Coverage: 100%)
Gene names: MSMEG_1522, MSMEI_1486, rpsK
Pfam: Ribosomal protein S11
PDBe-KB: UniProt Coverage View: A0QSL6  
1138102030405060708090100110120130
 
50100
UniProt
A0QSL6
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Chain: m
Length: 124 amino acids
Theoretical weight: 13.9 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QS96 (Residues: 1-124; Coverage: 100%)
Gene names: MSMEG_1398, MSMEI_1360, rpsL
Pfam: Ribosomal protein S12/S23
PDBe-KB: UniProt Coverage View: A0QS96  
1124102030405060708090100110120
 
50100
UniProt
A0QS96
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Chain: n
Length: 124 amino acids
Theoretical weight: 14.25 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QSL5 (Residues: 1-124; Coverage: 100%)
Gene names: MSMEG_1521, MSMEI_1485, rpsM
Pfam: Ribosomal protein S13/S18
PDBe-KB: UniProt Coverage View: A0QSL5  
1124102030405060708090100110120
 
50100
UniProt
A0QSL5
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Chain: o
Length: 61 amino acids
Theoretical weight: 6.98 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QSG2 (Residues: 1-61; Coverage: 100%)
Gene names: MSMEG_1468, MSMEI_1432, rpsN, rpsZ
Pfam: Ribosomal protein S14p/S29e
PDBe-KB: UniProt Coverage View: A0QSG2  
16151015202530354045505560
 
204060MAKKALVHKANKKPKFAVRAYTRCNKCGRPHSVYRKFGLCRICLREMAHAGELPGVQKSSW
UniProt
A0QSG2
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Chain: p
Length: 89 amino acids
Theoretical weight: 10.37 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QVQ3 (Residues: 1-89; Coverage: 100%)
Gene names: MSMEG_2654, MSMEI_2591, rpsO
Pfam: Ribosomal protein S15
PDBe-KB: UniProt Coverage View: A0QVQ3  
1891020304050607080
 
20406080MALTAEQKKEILGQYGLHDTDTGSPEAQVALLTKRIQDLTEHLKVHKHDHHSRRGLLLLVGRRRRLLKYVAQVDVARYRSLIERLGLRR
UniProt
A0QVQ3
Chains
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Chain: q
Length: 156 amino acids
Theoretical weight: 16.8 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QV37 (Residues: 1-156; Coverage: 100%)
Gene names: MSMEG_2435, MSMEI_2374, rpsP
Pfam: Ribosomal protein S16
PDBe-KB: UniProt Coverage View: A0QV37  
115620406080100120140
 
50100150
UniProt
A0QV37
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Chain: r
Length: 98 amino acids
Theoretical weight: 11.13 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QSE0 (Residues: 1-98; Coverage: 100%)
Gene names: MSMEG_1445, MSMEI_1409, rpsQ
Pfam: Ribosomal protein S17
PDBe-KB: UniProt Coverage View: A0QSE0  
198102030405060708090
 
50MADQKGPKYTPAAEKPRGRRKTAIGYVVSDKMQKTIVVELEDRKSHPLYGKIIRTTKKVKAHDENGEAGIGDRVSLMETRPLSATKRWRLVEILEKAK
UniProt
A0QSE0
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Chain: s
Length: 84 amino acids
Theoretical weight: 9.52 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0R7F7 (Residues: 1-84; Coverage: 100%)
Gene names: MSMEG_6895, MSMEI_6711, rpsR1, rpsR2
Pfam: Ribosomal protein S18
PDBe-KB: UniProt Coverage View: A0R7F7  
1841020304050607080
 
20406080MAKSNKRRPAPEKPVKTRKCVFCSKKGQTIDYKDTALLRTYISERGKIRARRVTGNCVQHQRDIAVAVKNAREVALLPFGSSTR
UniProt
A0R7F7
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Chain: t
Length: 93 amino acids
Theoretical weight: 10.8 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QSD5 (Residues: 1-93; Coverage: 100%)
Gene names: MSMEG_1440, MSMEI_1404, rpsS
Pfam: Ribosomal protein S19
PDBe-KB: UniProt Coverage View: A0QSD5  
193102030405060708090
 
20406080MPRSLKKGPFVDDHLLKKVDVQNEKNTKQVIKTWSRRSTIIPDFIGHTFAVHDGRKHVPVFVTEAMVGHKLGEFAPTRTFKGHIKDDRKSKRR
UniProt
A0QSD5
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Chain: u
Length: 86 amino acids
Theoretical weight: 9.56 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0R102 (Residues: 1-86; Coverage: 100%)
Gene names: MSMEG_4571, MSMEI_4459, rpsT
Pfam: Ribosomal protein S20
PDBe-KB: UniProt Coverage View: A0R102  
1861020304050607080
 
20406080MANIKSQIKRIRTNERRRLRNQSVKSSLRTAIRGFREAVDAGDKDKASELLHATSRKLDKAASKGVIHPNQAANKKSALALALNKL
UniProt
A0R102
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Chain: c
Length: 277 amino acids
Theoretical weight: 30.15 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0QVB8 (Residues: 1-277; Coverage: 100%)
Gene names: MSMEG_2519, MSMEI_2460, rpsB
Pfam: Ribosomal protein S2
PDBe-KB: UniProt Coverage View: A0QVB8  
127720406080100120140160180200220240260
 
100200
UniProt
A0QVB8
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Chain: x
Length: 11 amino acids
Theoretical weight: 1.34 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
UniProt:
  • Canonical: A0R215 (Residues: 56-66; Coverage: 15%)
Gene names: MSMEG_4951, MSMEI_4823, rpmE
PDBe-KB: UniProt Coverage View: A0R215  
1111234567891011
 
510GRVARFEKRYG
UniProt
A0R215
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Chain: w
Length: 264 amino acids
Theoretical weight: 29.9 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: A0QZ86 (Residues: 1-258; Coverage: 100%)
Gene name: MSMEG_3935
Pfam:
PDBe-KB: UniProt Coverage View: A0QZ86  
126420406080100120140160180200220240260
 
100200
UniProt
A0QZ86
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Name: 16S ribosomal RNA
Representative chains: a
Length: 1528 nucleotides
Theoretical weight: 495.37 KDa
115282004006008001,0001,2001,400
 
50010001500
Chains
Chain A (auth a)
Rfam
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