SMTL ID : 4xo7.1

Crystal structure of human 3-alpha hydroxysteroid dehydrogenase type 3 in complex with NADP+, 5alpha-androstan-3,17-dione and (3beta, 5alpha)-3-hydroxyandrostan-17-one

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.75 Å

Oligo State

homo-dimer

Ligands

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

NAP.1: 28 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, R.276, Q.279, N.280 Ligands: ASD.2 25 PLIP interactions: 25 interactions with chain A Hydrophobic interactions: A:Y.216, A:Y.216, A:Y.216 Hydrogen bonds: A:T.23, A:Y.24, A:Y.24, A:D.50, A:S.166, A:S.166, A:S.217, A:L.219, A:S.221, A:H.222, A:K.270, A:Y.272, A:Q.279, A:N.280 Water bridges: A:A.218, A:A.218, A:H.222, A:R.276 Salt bridges: A:H.222, A:K.270, A:R.276 pi-Cation interactions: A:R.276 NAP.4: 29 residues within 4Å: Chain B: 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 Ligands: ASD.5 26 PLIP interactions: 26 interactions with chain B Hydrophobic interactions: B:Y.216, B:Y.216, B:Y.216 Hydrogen bonds: B:T.23, B:Y.24, B:S.166, B:N.167, B:Q.190, B:S.217, B:L.219, B:S.221, B:H.222, B:K.270, B:S.271, B:Y.272, B:Q.279, B:N.280, B:N.280 Water bridges: B:Y.55, B:A.218, B:A.218, B:K.270 Salt bridges: B:H.222, B:K.270, B:R.276 pi-Cation interactions: B:R.276

2 x ASD: 4-ANDROSTENE-3-17-DIONE(Non-covalent)

ASD.2: 8 residues within 4Å: Chain A: Y.24, V.128, I.129, H.222, W.227, L.306, L.308 Ligands: NAP.1 6 PLIP interactions: 6 interactions with chain A Hydrophobic interactions: A:Y.24, A:V.128, A:I.129, A:W.227, A:W.227, A:L.308 ASD.5: 9 residues within 4Å: Chain B: Y.24, V.54, Y.55, W.86, I.129, H.222, W.227, L.306 Ligands: NAP.4 8 PLIP interactions: 8 interactions with chain B Hydrophobic interactions: B:Y.24, B:V.54, B:Y.55, B:W.86, B:I.129, B:W.227, B:W.227, B:W.227

2 x SO4: SULFATE ION(Non-functional Binders)

SO4.3: 2 residues within 4Å: Chain A: Q.275, R.278 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:Q.275 Salt bridges: A:R.278 SO4.6: 6 residues within 4Å: Chain A: Q.262, S.290, M.293 Chain B: R.200, K.207, R.263 7 PLIP interactions: 2 interactions with chain A, 5 interactions with chain B Hydrogen bonds: A:Q.262 Water bridges: A:L.288, B:R.200, B:R.200, B:R.200 Salt bridges: B:R.200, B:K.207

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Zhang, B. et al., Human 3 alpha-hydroxysteroid dehydrogenase type 3: structural clues of 5 alpha-DHT reverse binding and enzyme down-regulation decreasing MCF7 cell growth. Biochem.J. (2016)

Release Date

2016-02-17

Peptides

Aldo-keto reductase family 1 member C2: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Aldo-keto reductase family 1 member C2

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