SMTL ID : 9qar.2 (1 other biounit)

Human angiotensin-1 converting enzyme N-domain in complex with ramiprilat

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.00 Å

Oligo State

monomer

Ligands

1 x NAG- FUC: alpha-L-fucopyranose-(1-6)-2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)

NAG-FUC.1: 4 residues within 4Å: Chain A: T.478, N.480, T.482, H.483 1 PLIP interactions: 1 interactions with chain A Water bridges: A:T.478, A:T.478 Hydrogen bonds: A:T.482

1 x NAG- NAG- BMA: beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose

NAG-NAG-BMA.2: 5 residues within 4Å: Chain A: E.403, N.416, E.522, P.524, Q.527 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:E.522

1 x NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)

NAG.3: 6 residues within 4Å: Chain A: N.45, T.47, E.49, N.50, D.324, R.326 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:R.326 Hydrogen bonds: A:N.50

1 x ZN: ZINC ION(Non-covalent)

ZN.4: 4 residues within 4Å: Chain A: H.361, H.365, E.389 Ligands: X92.5 3 PLIP interactions: 3 interactions with chain A Metal complexes: A:H.361, A:H.365, A:E.389

1 x X92: Ramiprilat(Non-covalent)

X92.5: 17 residues within 4Å: Chain A: Q.259, H.331, A.332, S.333, H.361, E.362, H.365, E.389, K.489, F.490, H.491, T.496, Y.498, Y.501, F.505 Ligands: ZN.4, 1PE.6 13 PLIP interactions: 13 interactions with chain A Hydrophobic interactions: A:F.490, A:F.490, A:T.496, A:Y.501, A:F.505 Hydrogen bonds: A:Q.259, A:H.331, A:A.332 Salt bridges: A:H.331, A:H.361, A:H.365, A:K.489, A:H.491

1 x 1PE: PENTAETHYLENE GLYCOL(Non-functional Binders)

1PE.6: 9 residues within 4Å: Chain A: S.39, D.43, A.334, W.335, H.365, Y.369, H.388, E.389 Ligands: X92.5 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:D.43, A:Y.369 Water bridges: A:A.334, A:G.382

2 x PGE: TRIETHYLENE GLYCOL(Non-functional Binders)

PGE.7: 5 residues within 4Å: Chain A: H.292, V.296, E.299, I.408 Ligands: PGE.9 No protein-ligand interaction detected (PLIP) PGE.9: 3 residues within 4Å: Chain A: R.295 Ligands: PGE.7, PEG.8 No protein-ligand interaction detected (PLIP)

1 x PEG: DI(HYDROXYETHYL)ETHER(Non-functional Binders)

PEG.8: 3 residues within 4Å: Chain A: G.287, H.292 Ligands: PGE.9 No protein-ligand interaction detected (PLIP)

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

ACT.10: 4 residues within 4Å: Chain A: R.199, E.208, W.447, S.451 3 PLIP interactions: 3 interactions with chain A Hydrophobic interactions: A:W.447 Water bridges: A:R.199 Salt bridges: A:R.199

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

EDO.11: 4 residues within 4Å: Chain A: E.513, D.566, Q.568, P.569 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:E.513, A:D.566

1 x CL: CHLORIDE ION(Non-functional Binders)

CL.12: 6 residues within 4Å: Chain A: W.201, Y.202, P.385, P.497, I.499, R.500 Ligand excluded by PLIP

1 x MG: MAGNESIUM ION(Non-covalent)

MG.13: 3 residues within 4Å: Chain A: E.262, N.263, D.354 4 PLIP interactions: 1 interactions with chain A, 3 Ligand-Water interactions Metal complexes: A:E.262, H2O.1, H2O.4, H2O.10

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Gregory, K.S. et al., Molecular basis of domain-specific angiotensin I-converting enzyme inhibition by the antihypertensive drugs enalaprilat, ramiprilat, trandolaprilat, quinaprilat and perindoprilat. Febs J. (2025)

Release Date

2025-09-03

Peptides

Angiotensin-converting enzyme, soluble form: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

Angiotensin-converting enzyme, soluble form

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