SMTL ID : 1e0j.2 (1 other biounit)

gp4d helicase from phage T7 ADPNP complex

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 3.00 Å

Oligo State

homo-hexamer

Ligands

4 x ANP: PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER(Non-covalent)

ANP.1: 21 residues within 4Å: Chain A: G.53, S.54, G.55, M.56, G.57, K.58, S.59, T.60, E.83, R.101, Q.104, H.205, R.244, P.251, N.252, Y.275 Chain B: R.262, F.263, T.264, G.265 Ligands: MG.2 17 PLIP interactions: 16 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:S.54, A:G.55, A:M.56, A:G.57, A:K.58, A:K.58, A:K.58, A:S.59, A:T.60, A:T.60, A:R.101, A:Q.104, A:N.252, B:F.263 pi-Stacking: A:Y.275, A:Y.275 pi-Cation interactions: A:R.244 ANP.3: 18 residues within 4Å: Chain B: S.54, G.55, M.56, G.57, K.58, S.59, T.60, E.83, R.101, Q.104, R.244, N.252, Y.275 Chain C: R.262, F.263, T.264, G.265 Ligands: MG.4 19 PLIP interactions: 17 interactions with chain B, 2 interactions with chain C Hydrogen bonds: B:S.54, B:G.55, B:M.56, B:G.57, B:K.58, B:K.58, B:K.58, B:S.59, B:T.60, B:T.60, B:T.60, B:R.101, B:Q.104, B:N.252, C:R.262, C:F.263 pi-Stacking: B:Y.275, B:Y.275 pi-Cation interactions: B:R.244 ANP.5: 21 residues within 4Å: Chain D: G.53, S.54, G.55, M.56, G.57, K.58, S.59, T.60, E.83, R.101, Q.104, H.205, R.244, P.251, N.252, Y.275 Chain E: R.262, F.263, T.264, G.265 Ligands: MG.6 17 PLIP interactions: 16 interactions with chain D, 1 interactions with chain E Hydrogen bonds: D:S.54, D:G.55, D:M.56, D:G.57, D:K.58, D:K.58, D:K.58, D:S.59, D:T.60, D:T.60, D:R.101, D:Q.104, D:N.252, E:F.263 pi-Stacking: D:Y.275, D:Y.275 pi-Cation interactions: D:R.244 ANP.7: 18 residues within 4Å: Chain E: S.54, G.55, M.56, G.57, K.58, S.59, T.60, E.83, R.101, Q.104, R.244, N.252, Y.275 Chain F: R.262, F.263, T.264, G.265 Ligands: MG.8 19 PLIP interactions: 17 interactions with chain E, 2 interactions with chain F Hydrogen bonds: E:S.54, E:G.55, E:M.56, E:G.57, E:K.58, E:K.58, E:K.58, E:S.59, E:T.60, E:T.60, E:T.60, E:R.101, E:Q.104, E:N.252, F:R.262, F:F.263 pi-Stacking: E:Y.275, E:Y.275 pi-Cation interactions: E:R.244

4 x MG: MAGNESIUM ION(Non-covalent)

MG.2: 2 residues within 4Å: Chain A: S.59 Ligands: ANP.1 1 PLIP interactions: 1 interactions with chain A Metal complexes: A:S.59 MG.4: 4 residues within 4Å: Chain B: S.59, E.83, D.164 Ligands: ANP.3 1 PLIP interactions: 1 interactions with chain B Metal complexes: B:S.59 MG.6: 2 residues within 4Å: Chain D: S.59 Ligands: ANP.5 1 PLIP interactions: 1 interactions with chain D Metal complexes: D:S.59 MG.8: 4 residues within 4Å: Chain E: S.59, E.83, D.164 Ligands: ANP.7 1 PLIP interactions: 1 interactions with chain E Metal complexes: E:S.59

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Singleton, M.R. et al., Crystal Structure of T7 Gene 4 Ring Helicase Indicates a Mechanism for Sequential Hydrolysis of Nucleotides. Cell(Cambridge,Mass.) (2000)

Release Date

2000-06-09

Peptides

DNA HELICASE: ABCDEF

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
D

B
E

C
F

D
D

E
E

F
F

DNA HELICASE

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