SMTL ID : 2ipf.1

Crystal structure of 17alpha-hydroxysteroid dehydrogenase in complex with NADP+ and epi-testosterone

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.85 Å

Oligo State

homo-dimer

Ligands

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

NAP.1: 31 residues within 4Å: Chain A: G.17, T.18, A.19, D.45, Y.50, K.79, H.112, S.161, N.162, Q.185, Y.211, G.212, V.213, L.214, G.215, T.216, Q.217, Y.219, L.231, A.248, L.263, N.264, T.265, S.266, L.267, K.268, R.271, E.274, N.275, I.301 Ligands: FFA.2 35 PLIP interactions: 35 interactions with chain A Hydrophobic interactions: A:I.301 Hydrogen bonds: A:T.18, A:A.19, A:D.45, A:Y.50, A:S.161, A:N.162, A:Q.185, A:G.212, A:L.214, A:T.216, A:Q.217, A:Q.217, A:L.263, A:T.265, A:T.265, A:T.265, A:S.266, A:L.267, A:E.274, A:N.275 Water bridges: A:V.213, A:V.213, A:T.246, A:T.246, A:K.268, A:R.271, A:R.271, A:R.271, A:R.271, A:R.271, A:R.271 Salt bridges: A:K.268, A:R.271 pi-Stacking: A:Y.211 NAP.9: 31 residues within 4Å: Chain B: G.17, T.18, A.19, D.45, Y.50, K.79, H.112, S.161, N.162, Q.185, Y.211, G.212, V.213, L.214, G.215, T.216, Q.217, Y.219, L.231, A.248, L.263, N.264, T.265, S.266, L.267, K.268, R.271, E.274, N.275, I.301 Ligands: FFA.10 35 PLIP interactions: 35 interactions with chain B Hydrophobic interactions: B:I.301 Hydrogen bonds: B:T.18, B:A.19, B:D.45, B:D.45, B:Y.50, B:S.161, B:N.162, B:Q.185, B:G.212, B:L.214, B:T.216, B:Q.217, B:Q.217, B:Y.219, B:T.265, B:T.265, B:T.265, B:S.266, B:L.267, B:E.274, B:N.275 Water bridges: B:V.213, B:V.213, B:T.246, B:T.246, B:A.248, B:K.268, B:R.271, B:R.271, B:R.271, B:R.271 Salt bridges: B:K.268, B:R.271 pi-Stacking: B:Y.211

2 x FFA: (10ALPHA,13ALPHA,14BETA,17ALPHA)-17-HYDROXYANDROST-4-EN-3-ONE(Non-covalent)

FFA.2: 10 residues within 4Å: Chain A: L.20, L.22, K.26, Y.50, H.112, Y.113, F.124, Y.219, W.222 Ligands: NAP.1 10 PLIP interactions: 10 interactions with chain A Hydrophobic interactions: A:Y.50, A:Y.113, A:F.124, A:Y.219, A:Y.219, A:W.222, A:W.222 Hydrogen bonds: A:K.26, A:Y.50, A:Y.50 FFA.10: 11 residues within 4Å: Chain B: L.20, L.22, K.26, Y.50, W.81, H.112, Y.113, F.124, Y.219, W.222 Ligands: NAP.9 10 PLIP interactions: 10 interactions with chain B Hydrophobic interactions: B:Y.50, B:W.81, B:Y.113, B:F.124, B:Y.219, B:W.222, B:W.222, B:W.222 Hydrogen bonds: B:K.26, B:Y.50

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

BME.3: 2 residues within 4Å: Chain A: E.23, C.24 No protein-ligand interaction detected (PLIP) BME.4: 4 residues within 4Å: Chain A: C.140, M.170, K.174, P.175 No protein-ligand interaction detected (PLIP) BME.5: 4 residues within 4Å: Chain A: C.2, P.12, D.73 Ligands: TRS.8 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:D.73 BME.11: 1 residues within 4Å: Chain B: C.24 No protein-ligand interaction detected (PLIP) BME.12: 2 residues within 4Å: Chain B: C.140, K.174 No protein-ligand interaction detected (PLIP) BME.13: 2 residues within 4Å: Chain B: H.1, C.2 No protein-ligand interaction detected (PLIP)

3 x EDO: 1,2-ETHANEDIOL(Non-functional Binders)

EDO.6: 5 residues within 4Å: Chain A: N.6, D.205 Chain B: Y.243, Q.282, S.284 3 PLIP interactions: 1 interactions with chain B, 2 interactions with chain A Water bridges: B:Q.282, A:L.5, A:D.205 EDO.7: 5 residues within 4Å: Chain A: N.6, D.7, K.178, Y.179, K.180 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:K.180 Water bridges: A:K.178 EDO.14: 7 residues within 4Å: Chain B: H.1, P.12, V.13, L.14, G.40, H.42, F.279 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:V.13, B:L.14, B:H.42, B:H.42

1 x TRS: 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL(Non-functional Binders)

TRS.8: 8 residues within 4Å: Chain A: F.10, P.12, E.72, I.74, F.75, D.107, K.156 Ligands: BME.5 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:F.10, A:F.10, A:D.73, A:D.107, A:K.156

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Faucher, F. et al., Mouse 17alpha-Hydroxysteroid Dehydrogenase (AKR1C21) Binds Steroids Differently from other Aldo-keto Reductases: Identification and Characterization of Amino Acid Residues Critical for Substrate Binding. J.Mol.Biol. (2007)

Release Date

2007-06-19

Peptides

(3(17)alpha-hydroxysteroid dehydrogenase): AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

(3(17)alpha-hydroxysteroid dehydrogenase)