SMTL ID : 2he5.2 (1 other biounit)

Crystal structure of 17alpha-hydroxysteroid dehydrogenase in binary complex with NADP(H) in an open conformation

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.90 Å

Oligo State

homo-dimer

Ligands

2 x NDP: NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE(Non-covalent)

NDP.1: 28 residues within 4Å: Chain A: G.22, T.23, A.24, D.50, Y.55, K.84, H.117, Y.118, S.166, N.167, Q.190, Y.216, G.217, V.218, L.219, G.220, T.221, L.236, A.253, L.268, N.269, T.270, S.271, L.272, K.273, R.276, E.279, N.280 19 PLIP interactions: 19 interactions with chain A Hydrogen bonds: A:T.23, A:A.24, A:D.50, A:D.50, A:Y.55, A:S.166, A:N.167, A:Q.190, A:G.217, A:L.219, A:N.269, A:S.271, A:L.272, A:K.273, A:R.276, A:E.279, A:N.280 Water bridges: A:T.221 pi-Stacking: A:Y.216 NDP.3: 27 residues within 4Å: Chain B: G.22, T.23, A.24, D.50, Y.55, K.84, H.117, S.166, N.167, Q.190, Y.216, G.217, V.218, L.219, G.220, T.221, L.236, A.253, N.269, T.270, S.271, L.272, R.276, E.279, N.280, I.306 Ligands: ACT.2 21 PLIP interactions: 21 interactions with chain B Hydrogen bonds: B:T.23, B:A.24, B:A.24, B:D.50, B:S.166, B:S.166, B:N.167, B:G.217, B:L.219, B:G.220, B:N.269, B:T.270, B:S.271, B:L.272, B:R.276, B:E.279, B:N.280 Water bridges: B:T.251, B:T.251 pi-Stacking: B:Y.216 pi-Cation interactions: B:R.276

1 x ACT: ACETATE ION(Non-functional Binders)

ACT.2: 6 residues within 4Å: Chain A: W.227, V.228 Chain B: Y.55, H.117, Y.118 Ligands: NDP.3 4 PLIP interactions: 3 interactions with chain B, 1 interactions with chain A Hydrophobic interactions: B:Y.118, A:V.228 Hydrogen bonds: B:Y.55 Salt bridges: B:H.117

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Faucher, F. et al., Crystal Structures of Mouse 17alpha-Hydroxysteroid Dehydrogenase (Apoenzyme and Enzyme-NADP(H) Binary Complex): Identification of Molecular Determinants Responsible for the Unique 17alpha-reductive Activity of this Enzyme. J.Mol.Biol. (2006)

Release Date

2006-12-05

Peptides

Aldo-keto reductase family 1, member C21: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

B
D

Aldo-keto reductase family 1, member C21

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