SMTL ID : 2ipg.1

Crystal structure of 17alpha-hydroxysteroid dehydrogenase mutant K31A in complex with NADP+ and epi-testosterone

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.90 Å

Oligo State

homo-dimer

Ligands

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

NAP.1: 32 residues within 4Å: Chain A: G.18, T.19, A.20, D.46, Y.51, K.80, H.113, S.162, N.163, Q.186, Y.212, G.213, V.214, L.215, G.216, T.217, Q.218, Y.220, L.232, A.249, L.264, N.265, T.266, S.267, L.268, K.269, R.272, E.275, N.276, I.302 Ligands: FFA.2, EDO.5 29 PLIP interactions: 29 interactions with chain A Hydrophobic interactions: A:I.302 Hydrogen bonds: A:T.19, A:A.20, A:D.46, A:S.162, A:N.163, A:Q.186, A:G.213, A:L.215, A:T.217, A:Q.218, A:Q.218, A:T.266, A:T.266, A:T.266, A:S.267, A:L.268, A:E.275, A:N.276 Water bridges: A:V.214, A:V.214, A:T.247, A:T.247, A:K.269, A:K.269, A:R.272 Salt bridges: A:K.269, A:R.272 pi-Stacking: A:Y.212 NAP.7: 31 residues within 4Å: Chain B: G.18, T.19, A.20, D.46, Y.51, K.80, H.113, S.162, N.163, Q.186, Y.212, G.213, V.214, L.215, G.216, T.217, Q.218, Y.220, L.232, A.249, L.264, N.265, T.266, S.267, L.268, K.269, R.272, E.275, N.276, I.302 Ligands: FFA.8 33 PLIP interactions: 33 interactions with chain B Hydrophobic interactions: B:I.302 Hydrogen bonds: B:T.19, B:A.20, B:D.46, B:D.46, B:S.162, B:N.163, B:Q.186, B:G.213, B:L.215, B:T.217, B:Q.218, B:Q.218, B:Y.220, B:L.264, B:T.266, B:T.266, B:T.266, B:S.267, B:L.268, B:E.275, B:E.275, B:N.276 Water bridges: B:V.214, B:V.214, B:K.269, B:K.269, B:R.272, B:R.272, B:R.272 Salt bridges: B:K.269, B:R.272 pi-Stacking: B:Y.212

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

FFA.2: 10 residues within 4Å: Chain A: L.21, L.23, Y.51, W.82, H.113, Y.114, F.125, Y.220, W.223 Ligands: NAP.1 11 PLIP interactions: 11 interactions with chain A Hydrophobic interactions: A:Y.51, A:W.82, A:Y.114, A:F.125, A:F.125, A:Y.220, A:W.223, A:W.223, A:W.223 Hydrogen bonds: A:Y.51, A:Y.51 FFA.8: 10 residues within 4Å: Chain B: L.21, L.23, Y.51, W.82, H.113, Y.114, F.125, Y.220, W.223 Ligands: NAP.7 7 PLIP interactions: 7 interactions with chain B Hydrophobic interactions: B:Y.51, B:W.82, B:Y.114, B:F.125, B:W.223, B:W.223 Hydrogen bonds: B:Y.51

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

BME.3: 2 residues within 4Å: Chain A: E.24, C.25 No protein-ligand interaction detected (PLIP) BME.4: 5 residues within 4Å: Chain A: V.138, D.139, L.140, C.141, M.171 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:V.138, A:L.140 BME.9: 3 residues within 4Å: Chain B: E.24, C.25, K.29 No protein-ligand interaction detected (PLIP) BME.10: 2 residues within 4Å: Chain B: D.139, C.141 2 PLIP interactions: 2 interactions with chain B Water bridges: B:D.139, B:D.139

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

EDO.5: 3 residues within 4Å: Chain A: K.269, R.272 Ligands: NAP.1 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:K.269, A:R.272, A:R.272 Water bridges: A:K.269 EDO.6: 4 residues within 4Å: Chain A: N.7, D.8, Y.180, K.181 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:K.181 EDO.11: 5 residues within 4Å: Chain B: N.7, D.8, K.179, Y.180, K.181 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:K.181

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