SMTL ID : 7tic.1

Structure of the yeast clamp loader (Replication Factor C RFC) bound to the sliding clamp (Proliferating Cell Nuclear Antigen PCNA) in an autoinhibited conformation

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-1-1-1-1-1-3-mer

Ligands

4 x AGS: PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER(Non-covalent)

AGS.1: 17 residues within 4Å: Chain A: T.299, A.303, V.310, C.311, P.355, G.356, I.357, G.358, K.359, T.360, T.361, N.456, I.514, R.515 Chain B: R.128, R.157 Ligands: MG.2 15 PLIP interactions: 15 interactions with chain A Hydrogen bonds: A:T.299, A:C.311, A:G.356, A:I.357, A:I.357, A:G.358, A:K.359, A:T.360, A:T.361, A:T.361, A:R.515, A:R.515 Salt bridges: A:K.359, A:R.515, A:R.515 AGS.3: 17 residues within 4Å: Chain B: V.12, R.16, P.17, I.23, V.24, G.52, I.53, G.54, K.55, T.56, T.57, N.145, R.174, M.202, R.203 Chain C: R.131 Ligands: MG.4 17 PLIP interactions: 15 interactions with chain B, 2 interactions with chain C Hydrogen bonds: B:Y.15, B:V.24, B:G.52, B:I.53, B:I.53, B:G.54, B:K.55, B:T.56, B:T.57, B:T.57, B:R.203, B:R.203, C:R.131, C:R.131 Salt bridges: B:K.55, B:R.203, B:R.203 AGS.5: 19 residues within 4Å: Chain C: W.15, V.16, Y.19, R.20, P.21, E.26, V.27, Y.28, P.55, G.56, T.57, G.58, K.59, T.60, S.61, M.205, R.206, L.209 Ligands: MG.6 13 PLIP interactions: 13 interactions with chain C Hydrogen bonds: C:V.16, C:Y.28, C:G.56, C:T.57, C:T.57, C:G.58, C:K.59, C:T.60, C:T.60, C:S.61, C:R.206 Salt bridges: C:K.59, C:R.206 AGS.7: 17 residues within 4Å: Chain D: V.28, R.32, P.33, V.39, A.41, P.67, G.68, T.69, G.70, K.71, T.72, S.73, R.200, L.228, R.229 Chain E: R.155 Ligands: MG.8 11 PLIP interactions: 10 interactions with chain D, 1 interactions with chain E Hydrogen bonds: D:V.28, D:A.41, D:G.68, D:T.69, D:G.70, D:T.72, D:T.72, D:S.73, E:R.155 Salt bridges: D:K.71, D:R.229

4 x MG: MAGNESIUM ION(Non-covalent)

MG.2: 3 residues within 4Å: Chain A: T.360, D.424 Ligands: AGS.1 1 PLIP interactions: 1 interactions with chain A Metal complexes: A:T.360 MG.4: 3 residues within 4Å: Chain B: T.56, E.115 Ligands: AGS.3 1 PLIP interactions: 1 interactions with chain B Metal complexes: B:T.56 MG.6: 3 residues within 4Å: Chain C: T.60, R.206 Ligands: AGS.5 1 PLIP interactions: 1 interactions with chain C Metal complexes: C:T.60 MG.8: 3 residues within 4Å: Chain D: T.72, D.140 Ligands: AGS.7 1 PLIP interactions: 1 interactions with chain D Metal complexes: D:T.72

1 x ADP: ADENOSINE-5'-DIPHOSPHATE(Non-covalent)

ADP.9: 20 residues within 4Å: Chain A: S.695 Chain E: V.5, Y.8, R.9, P.10, L.16, S.17, H.18, N.45, G.46, T.47, G.48, K.49, K.50, T.51, R.52, I.201, L.230, R.231, L.234 14 PLIP interactions: 14 interactions with chain E Hydrogen bonds: E:V.5, E:S.17, E:N.45, E:G.46, E:T.47, E:G.48, E:K.49, E:K.50, E:T.51, E:T.51, E:R.52 Salt bridges: E:K.49, E:R.231, E:R.231

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Gaubitz, C. et al., Cryo-EM structures reveal high-resolution mechanism of a DNA polymerase sliding clamp loader. Elife (2022)

Release Date

2022-02-16

Peptides

Replication factor C subunit 1: A
Replication factor C subunit 4: B
Replication factor C subunit 3: C
Replication factor C subunit 2: D
Replication factor C subunit 5: E
Proliferating cell nuclear antigen: FGH

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

E
E

F
F

G
G

H
H

Replication factor C subunit 1

Replication factor C subunit 4

Replication factor C subunit 3

Replication factor C subunit 2

Replication factor C subunit 5

Proliferating cell nuclear antigen

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