SMTL ID : 1mrq.1

Crystal structure of human 20alpha-HSD in ternary complex with NADP and 20alpha-hydroxy-progesterone

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.59 Å

Oligo State

monomer

Ligands

1 x NAP: NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE(Non-covalent)

NAP.1: 30 residues within 4Å: Chain A: G.22, T.23, Y.24, D.50, Y.55, K.84, H.117, S.166, N.167, Q.190, Y.216, S.217, A.218, L.219, G.220, S.221, H.222, L.236, A.253, L.268, A.269, K.270, S.271, Y.272, N.273, R.276, Q.279, N.280, L.306 Ligands: STR.2 29 PLIP interactions: 29 interactions with chain A Hydrophobic interactions: A:L.306 Hydrogen bonds: A:T.23, A:Y.24, A:D.50, A:D.50, A:Y.55, A:S.166, A:N.167, A:Q.190, A:S.217, A:L.219, A:S.221, A:H.222, A:K.270, A:S.271, A:Y.272, A:Q.279, A:N.280 Water bridges: A:A.218, A:A.218, A:H.222, A:K.270, A:R.276, A:Q.279 Salt bridges: A:H.222, A:K.270, A:R.276 pi-Stacking: A:Y.216 pi-Cation interactions: A:R.276

1 x STR: PROGESTERONE(Non-covalent)

STR.2: 12 residues within 4Å: Chain A: Y.24, L.54, Y.55, E.127, V.128, I.129, H.222, E.224, W.227, L.306, L.308 Ligands: NAP.1 8 PLIP interactions: 8 interactions with chain A Hydrophobic interactions: A:Y.24, A:Y.24, A:Y.24, A:Y.55, A:I.129, A:W.227, A:L.306, A:L.308

1 x BME: BETA-MERCAPTOETHANOL(Non-functional Binders)

BME.3: 3 residues within 4Å: Chain A: H.14, F.15, F.80 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:F.15 Water bridges: A:H.14, A:H.14

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Couture, J.F. et al., Human 20alpha-hydroxysteroid dehydrogenase: crystallographic and site-directed mutagenesis studies lead to the identification of an alternative binding site for C21-steroids. J.Mol.Biol. (2003)

Release Date

2003-09-30

Peptides

Aldo-keto reductase family 1 member C1: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Aldo-keto reductase family 1 member C1