SMTL ID : 1ols.1

Roles of His291-alpha and His146-beta' in the reductive acylation reaction catalyzed by human branched-chain alpha-ketoacid dehydrogenase

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.85 Å

Oligo State

hetero-2-2-mer

Ligands

4 x K: POTASSIUM ION(Non-covalent)

K.1: 5 residues within 4Å: Chain A: Q.112, S.161, P.163, T.166, Q.167 4 PLIP interactions: 3 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:S.161, A:S.161, A:P.163, H2O.3 K.5: 7 residues within 4Å: Chain B: G.128, L.130, T.131, C.178, I.179, D.181, N.183 5 PLIP interactions: 4 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:L.130, B:C.178, B:D.181, B:N.183, H2O.15 K.6: 5 residues within 4Å: Chain C: Q.112, S.161, P.163, T.166, Q.167 4 PLIP interactions: 3 interactions with chain C, 1 Ligand-Water interactions Metal complexes: C:S.161, C:S.161, C:P.163, H2O.21 K.10: 7 residues within 4Å: Chain D: G.128, L.130, T.131, C.178, I.179, D.181, N.183 5 PLIP interactions: 4 interactions with chain D, 1 Ligand-Water interactions Metal complexes: D:L.130, D:C.178, D:D.181, D:N.183, H2O.32

2 x MN: MANGANESE (II) ION(Non-covalent)

MN.2: 4 residues within 4Å: Chain A: E.193, N.222, Y.224 Ligands: TPP.3 4 PLIP interactions: 3 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:E.193, A:E.193, A:Y.224, H2O.10 MN.7: 4 residues within 4Å: Chain C: E.193, N.222, Y.224 Ligands: TPP.8 4 PLIP interactions: 3 interactions with chain C, 1 Ligand-Water interactions Metal complexes: C:E.193, C:E.193, C:Y.224, H2O.27

2 x TPP: THIAMINE DIPHOSPHATE(Non-covalent)

TPP.3: 21 residues within 4Å: Chain A: R.114, S.162, P.163, L.164, G.192, E.193, G.194, A.195, E.198, R.220, N.222, Y.224, A.225, I.226, H.291 Chain D: E.46, L.74, E.76, Q.98, Y.102 Ligands: MN.2 20 PLIP interactions: 18 interactions with chain A, 2 interactions with chain D Hydrophobic interactions: A:A.225, A:I.226, A:I.226, D:Y.102 Hydrogen bonds: A:S.162, A:L.164, A:G.192, A:G.194, A:A.195, A:H.291 Water bridges: A:Y.113, A:R.114, A:E.193, A:R.220, A:R.220, A:N.222, A:R.287 Salt bridges: A:R.114, A:R.220 pi-Stacking: D:Y.102 TPP.8: 21 residues within 4Å: Chain B: E.46, L.74, E.76, Q.98, Y.102 Chain C: R.114, S.162, P.163, L.164, G.192, E.193, G.194, A.195, E.198, R.220, N.222, Y.224, A.225, I.226, H.291 Ligands: MN.7 20 PLIP interactions: 18 interactions with chain C, 2 interactions with chain B Hydrophobic interactions: C:A.225, C:I.226, C:I.226, B:Y.102 Hydrogen bonds: C:S.162, C:L.164, C:G.192, C:G.194, C:A.195, C:E.198, C:N.222 Water bridges: C:R.114, C:E.193, C:R.220, C:R.220, C:N.222, C:R.287 Salt bridges: C:R.114, C:R.220 pi-Stacking: B:Y.102

2 x GOL: GLYCEROL(Non-functional Binders)

GOL.4: 8 residues within 4Å: Chain A: Q.374 Chain B: W.260, E.290, T.294, E.297 Chain D: L.283, T.284, R.309 6 PLIP interactions: 3 interactions with chain D, 3 interactions with chain B Hydrogen bonds: D:T.284, D:R.309, B:E.290, B:E.297 Water bridges: D:D.314, B:E.297 GOL.9: 8 residues within 4Å: Chain B: L.283, T.284, R.309 Chain C: Q.374 Chain D: W.260, E.290, T.294, E.297 5 PLIP interactions: 3 interactions with chain B, 2 interactions with chain D Hydrogen bonds: B:T.284, B:T.284, B:R.309, D:T.294, D:E.297

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Wynn, R.M. et al., Roles of His291-Alpha and His146-Beta' in the Reductive Acylation Reaction Catalyzed by Human Branched-Chain Alpha-Ketoacid Dehydrogenase: Refined Phosphorylation Loop Structure in the Active Site. J.Biol.Chem. (2003)

Release Date

2003-08-15

Peptides

2-OXOISOVALERATE DEHYDROGENASE ALPHA SUBUNIT: AC
2-OXOISOVALERATE DEHYDROGENASE BETA SUBUNIT: BD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

C
A

B
B

D
B

2-OXOISOVALERATE DEHYDROGENASE ALPHA SUBUNIT

2-OXOISOVALERATE DEHYDROGENASE BETA SUBUNIT

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