SMTL ID : 4cx7.1

Structure of human iNOS heme domain in complex with (R)-6-(3-AMINO-2-(5-(2-(6-AMINO-4- METHYLPYRIDIN-2-YL)ETHYL)PYRIDIN-3-YL)PROPYL)-4- METHYLPYRIDIN-2-AMINE

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 3.16 Å

Oligo State

homo-tetramer

Ligands

4 x HEM: PROTOPORPHYRIN IX CONTAINING FE(Non-covalent)

HEM.1: 17 residues within 4Å: Chain A: W.121, R.126, C.127, I.128, G.129, Q.132, S.169, F.296, N.297, G.298, W.299, E.304, W.390, Y.416, Y.418 Ligands: H4B.2, S71.3 12 PLIP interactions: 12 interactions with chain A, Hydrophobic interactions: A:W.121, A:W.121, A:Q.132, A:F.296, A:F.296, A:F.296, A:W.299, A:Y.416 Hydrogen bonds: A:Y.418, A:Y.418 pi-Stacking: A:W.121 Metal complexes: A:C.127 HEM.8: 18 residues within 4Å: Chain B: W.121, R.126, C.127, I.128, G.129, Q.132, M.282, F.296, N.297, G.298, W.299, M.301, E.304, W.390, Y.416, Y.418 Ligands: H4B.9, S71.10 13 PLIP interactions: 13 interactions with chain B, Hydrophobic interactions: B:W.121, B:W.121, B:I.128, B:Q.132, B:F.296, B:F.296, B:F.296, B:W.299, B:W.390, B:Y.416 Hydrogen bonds: B:Y.418 pi-Stacking: B:W.121 Metal complexes: B:C.127 HEM.14: 19 residues within 4Å: Chain C: W.121, A.124, C.127, I.128, G.129, Q.132, S.169, M.282, F.296, N.297, G.298, W.299, M.301, E.304, W.390, Y.416, Y.418 Ligands: H4B.15, S71.16 16 PLIP interactions: 16 interactions with chain C, Hydrophobic interactions: C:W.121, C:W.121, C:W.121, C:A.124, C:I.128, C:Q.132, C:F.296, C:F.296, C:F.296, C:M.301, C:Y.416 Hydrogen bonds: C:E.304, C:Y.418, C:Y.418 pi-Stacking: C:W.121 Metal complexes: C:C.127 HEM.20: 18 residues within 4Å: Chain D: W.121, R.126, C.127, I.128, G.129, Q.132, S.169, F.296, N.297, G.298, W.299, M.301, E.304, W.390, Y.416, Y.418 Ligands: H4B.21, S71.22 13 PLIP interactions: 13 interactions with chain D, Hydrophobic interactions: D:W.121, D:W.121, D:I.128, D:Q.132, D:F.296, D:F.296, D:F.296, D:W.299, D:W.390 Hydrogen bonds: D:E.304, D:Y.418 pi-Stacking: D:W.121 Metal complexes: D:C.127

4 x H4B: 5,6,7,8-TETRAHYDROBIOPTERIN(Non-covalent)

H4B.2: 12 residues within 4Å: Chain A: S.45, M.47, R.308, I.389, W.390 Chain B: W.388, F.403, H.404, Q.405, E.406 Ligands: HEM.1, S71.3 8 PLIP interactions: 7 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:R.308, A:R.308, A:I.389, A:W.390 pi-Stacking: A:W.390, A:W.390 pi-Cation interactions: A:W.390 Hydrophobic interactions: B:E.406 H4B.9: 12 residues within 4Å: Chain A: W.388, F.403, H.404, Q.405, E.406 Chain B: S.45, M.47, R.308, I.389, W.390 Ligands: HEM.8, S71.10 8 PLIP interactions: 7 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:R.308, B:R.308, B:I.389, B:W.390 pi-Stacking: B:W.390, B:W.390 pi-Cation interactions: B:W.390 Hydrophobic interactions: A:E.406 H4B.15: 12 residues within 4Å: Chain C: S.45, M.47, R.308, I.389, W.390 Chain D: W.388, F.403, H.404, Q.405, E.406 Ligands: HEM.14, S71.16 7 PLIP interactions: 1 interactions with chain D, 6 interactions with chain C Hydrophobic interactions: D:E.406 Hydrogen bonds: C:R.308, C:R.308, C:I.389, C:W.390 pi-Stacking: C:W.390, C:W.390 H4B.21: 12 residues within 4Å: Chain C: W.388, F.403, H.404, Q.405, E.406 Chain D: S.45, M.47, R.308, I.389, W.390 Ligands: HEM.20, S71.22 8 PLIP interactions: 7 interactions with chain D, 1 interactions with chain C Hydrogen bonds: D:R.308, D:R.308, D:I.389, D:W.390 pi-Stacking: D:W.390, D:W.390 pi-Cation interactions: D:W.390 Hydrophobic interactions: C:E.406

4 x S71: (R)-6-(3-amino-2-(5-(2-(6-amino-4-methylpyridin-2-yl)ethyl)pyridin-3-yl)propyl)-4-methylpyridin-2-amine(Non-covalent)

S71.3: 16 residues within 4Å: Chain A: M.47, T.48, R.126, Q.190, P.277, V.279, G.298, W.299, Y.300, E.304, W.390, Y.418 Chain B: W.17 Ligands: HEM.1, H4B.2, GOL.4 8 PLIP interactions: 1 interactions with chain B, 7 interactions with chain A Hydrophobic interactions: B:W.17, A:M.47, A:P.277, A:P.277 Hydrogen bonds: A:R.126, A:Q.190, A:E.304, A:Y.418 S71.10: 17 residues within 4Å: Chain A: W.17 Chain B: M.47, T.48, R.126, Q.190, R.193, P.277, V.279, G.298, W.299, Y.300, E.304, W.390, Y.418 Ligands: HEM.8, H4B.9, GOL.11 9 PLIP interactions: 8 interactions with chain B, 1 interactions with chain A Hydrophobic interactions: B:M.47, B:Q.190, B:P.277, B:V.279, A:W.17 Hydrogen bonds: B:R.126, B:R.193, B:E.304, B:Y.418 S71.16: 16 residues within 4Å: Chain C: M.47, T.48, R.126, Q.190, P.277, V.279, G.298, W.299, Y.300, E.304, W.390, Y.418 Chain D: W.17 Ligands: HEM.14, H4B.15, GOL.17 5 PLIP interactions: 4 interactions with chain C, 1 interactions with chain D Hydrophobic interactions: C:P.277, D:W.17 Hydrogen bonds: C:M.47, C:R.126, C:E.304 S71.22: 15 residues within 4Å: Chain C: W.17 Chain D: M.47, T.48, Q.190, P.277, V.279, G.298, W.299, Y.300, E.304, W.390, Y.418 Ligands: HEM.20, H4B.21, GOL.23 5 PLIP interactions: 4 interactions with chain D, 1 interactions with chain C Hydrophobic interactions: D:P.277, C:W.17 Hydrogen bonds: D:R.126, D:E.304, D:Y.418

4 x GOL: GLYCEROL(Non-functional Binders)

GOL.4: 5 residues within 4Å: Chain A: A.189, Q.190, R.193, A.209 Ligands: S71.3 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:Q.190, A:R.193, A:R.193 GOL.11: 3 residues within 4Å: Chain B: R.193, A.209 Ligands: S71.10 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:R.193, B:R.193 GOL.17: 3 residues within 4Å: Chain C: R.193, A.209 Ligands: S71.16 2 PLIP interactions: 2 interactions with chain C Hydrogen bonds: C:R.193, C:R.193 GOL.23: 3 residues within 4Å: Chain D: R.193, A.209 Ligands: S71.22 2 PLIP interactions: 2 interactions with chain D Hydrogen bonds: D:R.193, D:R.193

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

SO4.5: 3 residues within 4Å: Chain A: G.227, R.228, F.229 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:R.228, A:F.229 Salt bridges: A:R.228 SO4.6: 4 residues within 4Å: Chain A: Y.263, E.264, W.265 Chain C: R.267 3 PLIP interactions: 1 interactions with chain C, 2 interactions with chain A Salt bridges: C:R.267 Hydrogen bonds: A:E.264, A:W.265 SO4.7: 2 residues within 4Å: Chain A: N.163, N.166 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:N.163, A:N.166 SO4.12: 3 residues within 4Å: Chain B: G.227, R.228, F.229 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:R.228, B:F.229 SO4.13: 6 residues within 4Å: Chain B: K.262, Y.263, E.264, W.265 Chain C: K.262, Y.263 4 PLIP interactions: 2 interactions with chain C, 2 interactions with chain B Hydrogen bonds: C:Y.263, B:E.264, B:W.265 Salt bridges: C:K.262 SO4.18: 3 residues within 4Å: Chain C: G.227, R.228, F.229 2 PLIP interactions: 2 interactions with chain C Hydrogen bonds: C:R.228, C:F.229 SO4.19: 4 residues within 4Å: Chain C: K.262, Y.263, E.264, W.265 2 PLIP interactions: 2 interactions with chain C Hydrogen bonds: C:E.264, C:W.265 SO4.24: 4 residues within 4Å: Chain D: G.227, R.228, F.229, D.230 2 PLIP interactions: 2 interactions with chain D Hydrogen bonds: D:R.228, D:F.229 SO4.25: 5 residues within 4Å: Chain B: R.267 Chain D: K.262, Y.263, E.264, W.265 3 PLIP interactions: 1 interactions with chain B, 2 interactions with chain D Salt bridges: B:R.267 Hydrogen bonds: D:E.264, D:W.265

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Li, H. et al., Mobility of a Conserved Tyrosine Residue Controls Isoform-Dependent Enzyme-Inhibitor Interactions in Nitric Oxide Synthases. Biochemistry (2014)

Release Date

2014-08-13

Peptides

NITRIC OXIDE SYNTHASE, INDUCIBLE: ABCD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

NITRIC OXIDE SYNTHASE, INDUCIBLE

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