SMTL ID : 1m54.1 (2 other biounits)

CYSTATHIONINE-BETA SYNTHASE: REDUCED VICINAL THIOLS

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.90 Å

Oligo State

homo-dimer

Ligands

2 x PLP: PYRIDOXAL-5'-PHOSPHATE(Covalent)

PLP.1: 16 residues within 4Å: Chain A: K.76, N.106, S.211, V.212, G.213, T.214, G.215, G.216, T.217, E.261, G.262, I.263, S.306, P.332, D.333, Y.338 12 PLIP interactions: 12 interactions with chain A Hydrophobic interactions: A:K.76, A:P.332 Hydrogen bonds: A:N.106, A:G.213, A:T.214, A:G.215, A:G.216, A:T.217, A:T.217, A:T.217, A:S.306 Salt bridges: A:K.76 PLP.3: 16 residues within 4Å: Chain B: K.76, N.106, S.211, V.212, G.213, T.214, G.215, G.216, T.217, E.261, G.262, I.263, S.306, P.332, D.333, Y.338 11 PLIP interactions: 11 interactions with chain B Hydrophobic interactions: B:K.76, B:P.332, B:D.333 Hydrogen bonds: B:N.106, B:G.213, B:T.214, B:G.215, B:T.217, B:T.217, B:T.217 Salt bridges: B:K.76

2 x HEM: PROTOPORPHYRIN IX CONTAINING FE(Non-covalent)

HEM.2: 17 residues within 4Å: Chain A: S.7, R.8, C.9, T.10, W.11, Q.12, R.15, E.19, S.20, P.21, H.22, R.181, A.183, P.186, L.187, Y.190, R.223 18 PLIP interactions: 18 interactions with chain A, Hydrophobic interactions: A:R.8, A:W.11, A:R.15, A:P.21, A:A.183, A:P.186, A:P.186, A:Y.190, A:Y.190 Hydrogen bonds: A:R.8 Salt bridges: A:R.8, A:R.8 pi-Stacking: A:H.22, A:H.22 pi-Cation interactions: A:H.22, A:R.223 Metal complexes: A:C.9, A:H.22 HEM.4: 17 residues within 4Å: Chain B: P.6, S.7, R.8, C.9, T.10, W.11, R.15, E.19, S.20, P.21, H.22, R.181, A.183, P.186, L.187, Y.190, R.223 18 PLIP interactions: 18 interactions with chain B, Hydrophobic interactions: B:R.8, B:W.11, B:R.15, B:P.21, B:A.183, B:P.186, B:L.187, B:Y.190, B:Y.190 Hydrogen bonds: B:S.7 Salt bridges: B:R.8, B:R.8, B:R.181 pi-Stacking: B:H.22, B:H.22, B:H.22 Metal complexes: B:C.9, B:H.22

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Taoka, S. et al., HUMAN CYSTATHIONINE BETA-SYNTHASE IS A HEME SENSOR PROTEIN. EVIDENCE THAT THEREDOX SENSOR IS HEME AND NOT THE VICINAL CYSTEINES IN THE CXXC MOTIF SEEN IN THE CRYSTAL STRUCTURE OF THE TRUNCATED ENZYME. BIOCHEMISTRY (2002)

Release Date

2002-08-14

Peptides

CYSTATHIONINE BETA-SYNTHASE: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

CYSTATHIONINE BETA-SYNTHASE

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