SMTL ID : 9qar.1 (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- NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)

NAG-NAG.1: 4 residues within 4Å: Chain A: N.45, T.47, E.49, N.50 No protein-ligand interaction detected (PLIP)

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

NAG-FUC.2: 4 residues within 4Å: Chain A: T.478, N.480, T.482, H.483 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:T.482, A:N.480 Water bridges: A:N.480

1 x NAG- NAG- BMA- FUC: beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose

NAG-NAG-BMA-FUC.3: 5 residues within 4Å: Chain A: E.403, N.416, E.522, P.524, Q.527 No protein-ligand interaction detected (PLIP)

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.11 14 PLIP interactions: 14 interactions with chain A Hydrophobic interactions: A:F.490, A:T.496, A:Y.501, A:F.505 Hydrogen bonds: A:Q.259, A:H.331, A:Y.498, A:Y.498, A:Y.501 Salt bridges: A:H.331, A:H.361, A:H.365, A:K.489, A:H.491

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

PGE.6: 5 residues within 4Å: Chain A: Q.444, G.448, D.462, Y.465, L.466 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:Q.444 Water bridges: A:T.454, A:Y.465

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

EDO.7: 3 residues within 4Å: Chain A: D.189, G.190, F.191 No protein-ligand interaction detected (PLIP) EDO.8: 8 residues within 4Å: Chain A: T.144, L.147, A.148, G.254, D.255, N.263, D.354 Ligands: MG.15 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:N.263, A:D.354 Water bridges: A:M.256, A:D.354, A:Q.355 EDO.10: 3 residues within 4Å: Chain A: F.271, W.580, Q.584 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:W.580 EDO.12: 3 residues within 4Å: Chain A: H.234, G.238, D.239 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:D.239 EDO.14: 1 residues within 4Å: Chain A: P.220 No protein-ligand interaction detected (PLIP)

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

ACT.9: 4 residues within 4Å: Chain A: R.199, E.208, W.447, S.451 3 PLIP interactions: 3 interactions with chain A Water bridges: A:R.199, A:W.447 Salt bridges: A:R.199

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

1PE.11: 8 residues within 4Å: Chain A: A.334, W.335, H.365, Y.369, R.381, H.388, E.389 Ligands: X92.5 4 PLIP interactions: 4 interactions with chain A Water bridges: A:Y.338, A:G.382, A:R.500, A:R.500

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

CL.13: 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.15: 4 residues within 4Å: Chain A: E.262, N.263, D.354 Ligands: EDO.8 2 PLIP interactions: 1 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:E.262, H2O.16

1 x CA: CALCIUM ION(Non-covalent)

CA.16: 3 residues within 4Å: Chain A: E.262, N.263, D.354 5 PLIP interactions: 3 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:E.262, A:E.262, A:D.354, H2O.2, H2O.9

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
A

Angiotensin-converting enzyme, soluble form

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