SMTL ID : 9qas.1

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

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.20 Å

Oligo State

homo-dimer

Ligands

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.1: 5 residues within 4Å: Chain A: E.403, N.416, E.522, P.524, Q.527 1 PLIP interactions: 1 interactions with chain A Water bridges: A:G.523

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

NAG-NAG-FUC.2: 6 residues within 4Å: Chain A: T.478, N.480, T.482, H.483 Chain B: R.245, E.596 1 PLIP interactions: 1 interactions with chain A Hydrophobic interactions: A:T.478 NAG-NAG-FUC.4: 9 residues within 4Å: Chain B: E.403, N.416, D.417, T.418, D.421, E.522, G.523, P.524, Q.527 1 PLIP interactions: 1 interactions with chain B Hydrophobic interactions: B:P.524

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.3: 6 residues within 4Å: Chain A: N.45, T.47, E.49, N.50, D.324, R.326 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.5: 6 residues within 4Å: Chain A: R.245, E.596 Chain B: T.478, N.480, T.482, H.483 4 PLIP interactions: 1 interactions with chain B, 3 interactions with chain A Hydrogen bonds: B:T.478, A:R.245, A:E.596, A:E.596

2 x PG4: TETRAETHYLENE GLYCOL(Non-functional Binders)

PG4.6: 7 residues within 4Å: Chain A: A.334, W.335, H.365, Y.369, H.388, E.389 Ligands: X93.9 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:Y.369 Water bridges: A:A.334 PG4.25: 6 residues within 4Å: Chain B: A.334, W.335, H.365, Y.369, H.388 Ligands: X93.24 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:Y.369 Water bridges: B:A.334, B:R.500

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

ACT.7: 3 residues within 4Å: Chain A: R.199, E.208, W.447 3 PLIP interactions: 3 interactions with chain A Water bridges: A:R.199, A:W.447 Salt bridges: A:R.199

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

PEG.8: 3 residues within 4Å: Chain A: R.96, G.190, F.191 No protein-ligand interaction detected (PLIP) PEG.15: 6 residues within 4Å: Chain A: H.42, T.47, A.48, A.51, S.116, R.120 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:H.42, A:R.120 PEG.22: 2 residues within 4Å: Chain B: R.295 Ligands: PEG.23 No protein-ligand interaction detected (PLIP) PEG.23: 2 residues within 4Å: Chain B: H.292 Ligands: PEG.22 No protein-ligand interaction detected (PLIP) PEG.26: 6 residues within 4Å: Chain B: D.210, H.213, L.214, Q.217, A.564, L.565 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:Q.217, B:L.565 Water bridges: B:Q.217

2 x X93: TRANDOLAPRILAT(Non-covalent)

X93.9: 21 residues within 4Å: Chain A: Q.259, H.331, A.332, S.333, H.361, E.362, H.365, E.389, D.393, F.435, K.489, F.490, H.491, T.496, Y.498, Y.501, F.505 Ligands: PG4.6, EDO.10, EDO.11, ZN.17 15 PLIP interactions: 15 interactions with chain A Hydrophobic interactions: A:F.435, A:F.490, A:T.496, A:Y.501, A:F.505 Hydrogen bonds: A:Q.259, A:H.331, A:A.332, A:Y.498, A:Y.501 Salt bridges: A:H.331, A:H.361, A:H.365, A:K.489, A:H.491 X93.24: 19 residues within 4Å: Chain B: Q.259, H.331, A.332, S.333, H.361, E.362, H.365, E.389, D.393, F.435, K.489, F.490, H.491, T.496, Y.498, Y.501, F.505 Ligands: PG4.25, ZN.27 13 PLIP interactions: 13 interactions with chain B Hydrophobic interactions: B:F.435, B:F.490, B:T.496, B:Y.501, B:F.505 Hydrogen bonds: B:Q.259, B:H.331, B:Y.498 Salt bridges: B:H.331, B:H.361, B:H.365, B:K.489, B:H.491

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

EDO.10: 6 residues within 4Å: Chain A: N.494, V.495, T.496, P.497, R.500 Ligands: X93.9 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:N.494, A:R.500, A:R.500 EDO.11: 7 residues within 4Å: Chain A: S.357, T.358, H.361, D.393, A.396, K.432 Ligands: X93.9 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:T.358, A:H.361, A:E.431 Water bridges: A:T.358, A:D.393, A:K.432 EDO.12: 6 residues within 4Å: Chain A: F.228, R.231, A.232, R.235, V.268, V.269 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:R.235, A:R.235, A:V.269 EDO.13: 4 residues within 4Å: Chain A: T.418, I.422, W.580 Ligands: EDO.16 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:T.418 EDO.16: 4 residues within 4Å: Chain A: F.271, W.580, Q.584 Ligands: EDO.13 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:W.580, A:Q.584

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

PGE.14: 2 residues within 4Å: Chain A: H.292, R.295 1 PLIP interactions: 1 interactions with chain A Water bridges: A:R.295 PGE.21: 6 residues within 4Å: Chain A: Y.465 Chain B: Q.444, G.448, D.462, Y.465, L.466 4 PLIP interactions: 2 interactions with chain B, 2 interactions with chain A Hydrogen bonds: B:Q.444 Water bridges: B:G.448, A:Q.444, A:G.448

2 x ZN: ZINC ION(Non-covalent)

ZN.17: 4 residues within 4Å: Chain A: H.361, H.365, E.389 Ligands: X93.9 3 PLIP interactions: 3 interactions with chain A Metal complexes: A:H.361, A:H.365, A:E.389 ZN.27: 4 residues within 4Å: Chain B: H.361, H.365, E.389 Ligands: X93.24 3 PLIP interactions: 3 interactions with chain B Metal complexes: B:H.361, B:H.365, B:E.389

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

CL.18: 6 residues within 4Å: Chain A: W.201, Y.202, P.385, P.497, I.499, R.500 Ligand excluded by PLIP CL.28: 6 residues within 4Å: Chain B: W.201, Y.202, P.385, P.497, I.499, R.500 Ligand excluded by PLIP

3 x CA: CALCIUM ION(Non-covalent)

CA.19: 3 residues within 4Å: Chain A: E.262, N.263, D.354 5 PLIP interactions: 2 interactions with chain A, 3 Ligand-Water interactions Metal complexes: A:E.262, A:E.262, H2O.5, H2O.11, H2O.14 CA.20: 3 residues within 4Å: Chain A: E.262, N.263, D.354 3 PLIP interactions: 1 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:E.262, H2O.3, H2O.15 CA.29: 3 residues within 4Å: Chain B: E.262, N.263, D.354 5 PLIP interactions: 2 interactions with chain B, 3 Ligand-Water interactions Metal complexes: B:E.262, B:D.354, H2O.20, H2O.26, H2O.27

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: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Angiotensin-converting enzyme, soluble form

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