7sqc

Electron Microscopy
3.8Å resolution

Ciliary C1 central pair apparatus isolated from Chlamydomonas reinhardtii

Released:
Source organism: Chlamydomonas reinhardtii
Primary publication:
Ciliary central apparatus structure reveals mechanisms of microtubule patterning.
Nat Struct Mol Biol 29 483-492 (2022)
PMID: 35578023
Related structures: EMD-25381

Function and Biology Details

Reactions catalysed:
ATP + AMP = 2 ADP
[a protein]-serine/threonine phosphate + H(2)O = [a protein]-serine/threonine + phosphate
2-phospho-D-glycerate = phosphoenolpyruvate + H(2)O
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
hetero 406-mer (preferred)
PDBe Complex ID:
PDB-CPX-104282 (preferred)
Entry contents:
41 distinct polypeptide molecules
Macromolecules (41 distinct):
Flagellar associated protein 174 Chains: 0A, 0B, 0C, 0D, 0E, 0F, 0G, 0H, 0I, 0J, 0K, 0L
Molecule details ›
Chains: 0A, 0B, 0C, 0D, 0E, 0F, 0G, 0H, 0I, 0J, 0K, 0L
Length: 93 amino acids
Theoretical weight: 10.34 KDa
Source organism: Chlamydomonas reinhardtii
UniProt:
  • Canonical: A8I439 (Residues: 1-93; Coverage: 100%)
Gene name: CHLRE_02g105950v5
adenylate kinase Chains: 1A, 1B, 1C, 1D
Molecule details ›
Chains: 1A, 1B, 1C, 1D
Length: 2540 amino acids
Theoretical weight: 269.17 KDa
Source organism: Chlamydomonas reinhardtii
UniProt:
  • Canonical: A0A2K3D425 (Residues: 1-2540; Coverage: 100%)
Gene name: CHLRE_12g519950v5
Sequence domains:
FAP7 Chains: 1F, 1G, 1H, 1I, 1J, 1K, 1L, 1M, 1N, 1O, 1P, 1Q, 1R, 1S, 1T, 1U, 1V, 1W, 1X, 1Y
Flagellar associated protein Chains: 2A, 2B
FAP216 Chains: 2E, 2F
Minichromosome loss protein Mcl1 middle region domain-containing protein Chains: 2H, 2I
Central apparatus associated protein C1a-32 Chains: 2K, 2L, 2M, 2N, 2O, 2P, 2Q
Spermatogenesis-associated protein 17 Chains: 3A, 3B, 3C, 3D
Central apparatus associated protein C1a-34 Chains: 3K, 3L, 3M, 3N, 3O, 3P
EF-hand domain-containing protein Chains: 4A, 4B, 4C, 4D, 4E, 4F, 4G, 4H, 4I, 4J, 4K, 4L
Central apparatus associated protein C1a-86 Chains: 5A, 5B, 5C, 5D
Serine/threonine-protein phosphatase Chains: 6A, 6B, 6C, 6D
Central apparatus associated protein C1a-18 Chains: 7A, 7B, 7C, 7D, 7E, 7F, 7G, 7H, 7I, 7J, 7K, 7L
Flagellar associated protein Chains: 8A, 8B, 8C, 8D
PF6 protein Chains: 9A, 9B, 9C, 9D, 9E, 9F
FAP219 Chains: A0, A1, A2, A3, A4
Cilia- and flagella-associated protein 99 Chains: B0, B1, B2
Central pair complex 1 Chains: C0, C1, C2, C3, C4
Sperm-associated antigen 6 Chains: D0, D1, D2, D3, D4, D5, D6, D7, G0, G1, G2, G3, G4, G5, H0, H1, H2, H3, H4, H5, H6, H7, I0, I1, J0, J1, J2, J3, K0, K1, K2, K3, L0, L1, L2, L3
Flagellar associated protein Chains: E0, E1, E2, E3
HYDIN/VesB/CFA65-like Ig-like domain-containing protein Chains: F0, F1, F2, F3
Cilia- and flagella-associated protein 221 Chains: M0, M1
Flagellar associated protein Chains: N0, N1, N2, N3
Tubulin alpha-1 chain Chains: NB, ND, NF, NH, NJ, NL, NN, OD, OF, OH, OJ, OL, ON, OP, PD, PF, PH, PJ, PL, PN, PP, QD, QF, QH, QJ, QL, QN, QP, RD, RF, RH, RJ, RL, RN, RP, SB, SD, SF, SH, SJ, SL, SN, SP, TB, TD, TF, TH, TJ, TL, TN, TP, UB, UD, UF, UH, UJ, UL, UN, UP, VB, VD, VF, VH, VJ, VL, VN, VP, WB, WD, WF, WH, WJ, WL, WN, XB, XD, XF, XH, XJ, XL, XN, YB, YD, YF, YH, YJ, YL, YN, YP, ZB, ZD, ZF, ZH, ZJ, ZL, ZN, ZP
Tubulin beta-1/beta-2 chain Chains: NC, NE, NG, NI, NK, NM, NO, OC, OE, OG, OI, OK, OM, OO, OQ, PC, PE, PG, PI, PK, PM, PO, PQ, QC, QE, QG, QI, QK, QM, QO, QQ, RC, RE, RG, RI, RK, RM, RO, SC, SE, SG, SI, SK, SM, SO, TC, TE, TG, TI, TK, TM, TO, UC, UE, UG, UI, UK, UM, UO, VC, VE, VG, VI, VK, VM, VO, WA, WC, WE, WG, WI, WK, WM, WO, XA, XC, XE, XG, XI, XK, XM, XO, YC, YE, YG, YI, YK, YM, YO, ZC, ZE, ZG, ZI, ZK, ZM, ZO
Cilia- and flagella-associated protein 74 Chains: O0, O1, O2
Cilia- and flagella-associated protein 69 ARM repeats domain-containing protein Chains: P0, P1, P2, P3
Cilia- and flagella-associated protein 54 Chains: Q0, Q1
Cilia- and flagella-associated protein 46 Chains: R0, R1
FAP275 Chains: S0, S1, S2, S3
Unknown protein Chain: S5
Calponin-homology (CH) domain-containing protein Chains: T0, T1, T2, T3
Flagellar associated protein Chains: U0, U1
Radial spoke protein 10 Chains: V0, V1
Flagellar associated protein Chains: W0, W1
Unknown protein Chains: W3, W4, W5, W6
Unknown protein Chains: W7, W9
Unknown protein Chain: W8
EF-hand domain-containing protein Chains: X0, X1, X2, X3
phosphopyruvate hydratase Chains: Y0, Y1, Y2, Y3, Y4, Y5, Y6, Y7
Heat shock protein 70A Chains: Z0, Z1, Z2, Z3

Ligands and Environments

No modified residues

Experiments and Validation Details

Entry percentile scores
Resolution: 3.8Å
Relevant EMDB volumes: EMD-25381