SMTL ID : 1hdc.1

MECHANISM OF INHIBITION OF 3ALPHA,20BETA-HYDROXYSTEROID DEHYDROGENASE BY A LICORICE-DERIVED STEROIDAL INHIBITOR

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.20 Å

Oligo State

homo-tetramer

Ligands

4 x CBO: CARBENOXOLONE(Non-covalent)

CBO.1: 16 residues within 4Å: Chain A: S.90, T.91, G.92, S.138, L.145, L.147, T.148, Y.151, G.182, M.183, T.184, M.188, T.189, T.192, W.242 Chain B: M.252 9 PLIP interactions: 9 interactions with chain A Hydrophobic interactions: A:L.145, A:T.148, A:Y.151, A:T.189, A:W.242 Hydrogen bonds: A:S.90, A:Y.151, A:Y.151, A:T.184 CBO.2: 17 residues within 4Å: Chain A: M.252 Chain B: S.90, T.91, G.92, S.138, L.145, L.147, T.148, Y.151, P.181, G.182, M.183, T.184, M.188, T.189, T.192, W.242 8 PLIP interactions: 8 interactions with chain B Hydrophobic interactions: B:L.145, B:L.147, B:Y.151, B:T.192, B:W.242 Hydrogen bonds: B:S.90, B:Y.151, B:T.184 CBO.3: 15 residues within 4Å: Chain C: S.90, T.91, G.92, S.138, L.147, T.148, Y.151, P.181, G.182, M.183, T.184, T.189, T.192, W.242 Chain D: V.251 5 PLIP interactions: 5 interactions with chain C Hydrophobic interactions: C:L.147, C:P.181, C:W.242 Hydrogen bonds: C:Y.151, C:T.184 CBO.4: 14 residues within 4Å: Chain C: V.251 Chain D: N.86, S.90, T.91, G.92, S.138, L.147, T.148, Y.151, G.182, M.183, T.184, T.192, W.242 9 PLIP interactions: 8 interactions with chain D, 1 interactions with chain C Hydrophobic interactions: D:L.147, D:L.147, D:Y.151, D:T.192, D:W.242, C:V.251 Hydrogen bonds: D:N.86, D:T.91 Salt bridges: D:K.155

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Ghosh, D. et al., Mechanism of inhibition of 3 alpha, 20 beta-hydroxysteroid dehydrogenase by a licorice-derived steroidal inhibitor. Structure (1994)

Release Date

1995-02-07

Peptides

3-ALPHA, 20 BETA-HYDROXYSTEROID DEHYDROGENASE: ABCD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

3-ALPHA, 20 BETA-HYDROXYSTEROID DEHYDROGENASE