SMTL ID : 6szk.1

Hydrogenase-2 variant R479K - hydrogen reduced form treated with CO

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.20 Å

Oligo State

hetero-2-2-mer

Ligands

4 x SF4: IRON/SULFUR CLUSTER(Non-covalent)

SF4.1: 11 residues within 4Å: Chain A: H.191, C.194, R.196, R.197, F.200, C.219, L.220, Y.221, C.225, G.227, V.248 4 PLIP interactions: 4 interactions with chain A, Metal complexes: A:H.191, A:C.194, A:C.219, A:C.225 SF4.3: 13 residues within 4Å: Chain A: E.20, C.21, G.23, C.24, G.117, S.118, C.119, V.125, G.152, C.153, P.154 Chain B: R.59, H.214 4 PLIP interactions: 4 interactions with chain A, Metal complexes: A:C.21, A:C.24, A:C.119, A:C.153 SF4.11: 10 residues within 4Å: Chain C: H.191, C.194, R.196, R.197, C.219, L.220, Y.221, C.225, G.227, V.248 4 PLIP interactions: 4 interactions with chain C, Metal complexes: C:H.191, C:C.194, C:C.219, C:C.225 SF4.13: 13 residues within 4Å: Chain C: E.20, C.21, G.23, C.24, G.117, S.118, C.119, V.125, G.152, C.153, P.154 Chain D: R.59, H.214 4 PLIP interactions: 4 interactions with chain C, Metal complexes: C:C.21, C:C.24, C:C.119, C:C.153

2 x F3S: FE3-S4 CLUSTER(Non-covalent)

F3S.2: 13 residues within 4Å: Chain A: I.190, T.230, C.234, F.239, W.246, P.247, C.254, Y.255, G.256, C.257, N.258 Chain B: K.211, Q.216 3 PLIP interactions: 3 interactions with chain A, Metal complexes: A:C.234, A:C.254, A:C.257 F3S.12: 13 residues within 4Å: Chain C: I.190, T.230, C.234, F.239, W.246, P.247, C.254, Y.255, G.256, C.257, N.258 Chain D: K.211, Q.216 3 PLIP interactions: 3 interactions with chain C, Metal complexes: C:C.234, C:C.254, C:C.257

2 x GOL: GLYCEROL(Non-functional Binders)

GOL.4: 7 residues within 4Å: Chain A: K.207, E.208, F.209, L.223, H.269 Chain B: F.458, K.460 9 PLIP interactions: 6 interactions with chain A, 3 interactions with chain B Hydrogen bonds: A:E.208, A:F.209 Water bridges: A:K.207, A:H.222, A:H.222, A:L.223, B:R.51, B:R.51, B:K.460 GOL.21: 8 residues within 4Å: Chain C: E.47, K.70, Y.71 Chain D: G.162, Q.163, L.164, G.165, A.168 6 PLIP interactions: 2 interactions with chain D, 4 interactions with chain C Hydrogen bonds: D:L.164, D:G.165, C:E.47, C:K.70, C:K.70, C:Y.71

2 x FCO: CARBONMONOXIDE-(DICYANO) IRON(Non-covalent)

FCO.5: 14 residues within 4Å: Chain B: C.64, T.67, H.68, A.477, P.478, K.479, L.482, V.500, P.501, S.502, C.546, C.549 Ligands: NI.6, CMO.10 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:K.479, B:S.502 Metal complexes: B:C.64, B:C.549 FCO.16: 14 residues within 4Å: Chain D: C.64, T.67, H.68, A.477, P.478, K.479, L.482, V.500, P.501, S.502, C.546, C.549 Ligands: NI.17, CMO.20 4 PLIP interactions: 4 interactions with chain D Hydrogen bonds: D:K.479, D:S.502 Metal complexes: D:C.64, D:C.549

2 x NI: NICKEL (II) ION(Non-covalent)

NI.6: 6 residues within 4Å: Chain B: C.61, C.64, C.546, C.549 Ligands: FCO.5, CMO.10 4 PLIP interactions: 4 interactions with chain B Metal complexes: B:C.61, B:C.64, B:C.546, B:C.549 NI.17: 6 residues within 4Å: Chain D: C.61, C.64, C.546, C.549 Ligands: FCO.16, CMO.20 4 PLIP interactions: 4 interactions with chain D Metal complexes: D:C.61, D:C.64, D:C.546, D:C.549

5 x MG: MAGNESIUM ION(Non-covalent)(Non-functional Binders)

MG.7: 3 residues within 4Å: Chain B: E.42, A.498, H.552 6 PLIP interactions: 3 interactions with chain B, 3 Ligand-Water interactions Metal complexes: B:E.42, B:A.498, B:H.552, H2O.12, H2O.12, H2O.13 MG.8: 2 residues within 4Å: Chain B: N.81, N.294 No protein-ligand interaction detected (PLIP) MG.14: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP) MG.15: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP) MG.18: 3 residues within 4Å: Chain D: E.42, A.498, H.552 6 PLIP interactions: 3 interactions with chain D, 3 Ligand-Water interactions Metal complexes: D:E.42, D:A.498, D:H.552, H2O.40, H2O.40, H2O.40

2 x CL: CHLORIDE ION(Non-functional Binders)

CL.9: 2 residues within 4Å: Chain B: N.228, L.229 Ligand excluded by PLIP CL.19: 2 residues within 4Å: Chain D: N.228, L.229 Ligand excluded by PLIP

2 x CMO: CARBON MONOXIDE(Non-functional Binders)

CMO.10: 7 residues within 4Å: Chain B: C.61, V.63, C.64, K.479, C.546 Ligands: FCO.5, NI.6 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:C.64, B:K.479 Water bridges: B:K.479, B:K.479 CMO.20: 7 residues within 4Å: Chain D: C.61, V.63, C.64, K.479, C.546 Ligands: FCO.16, NI.17 3 PLIP interactions: 3 interactions with chain D Hydrogen bonds: D:C.64, D:K.479 Water bridges: D:K.479

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Beaton, S.E. et al., Hydrogen activation by NiFe-hydrogenases - consolidating the role of the pendant arginine. To Be Published

Release Date

2020-10-14

Peptides

Hydrogenase-2 small chain: AC
Hydrogenase-2 large chain: BD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
SSS

C
TTT

B
LLL

D
MMM

Hydrogenase-2 small chain

Hydrogenase-2 large chain

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