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

Human Angiotensin-1 converting enzyme N-domain in complex with a diprolyl inhibitor- SG18

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.90 Å

Oligo State

monomer

Ligands

1 x 01: (2S)-1-[(2S)-2-[[(1S)-1-[(2S)-1-(4-carboxyphenyl)carbonylpyrrolidin-2-yl]-2-oxidanyl-2-oxidanylidene-ethyl]amino]propanoyl]pyrrolidine-2-carboxylic acid

01.1: 18 residues within 4Å: Chain A: Q.259, H.331, A.332, S.333, A.334, H.361, E.362, H.365, Y.369, R.381, E.389, K.489, F.490, H.491, T.496, Y.498, Y.501 Ligands: ZN.13 17 PLIP interactions: 17 interactions with chain A Hydrophobic interactions: A:F.490, A:T.496, A:Y.501 Hydrogen bonds: A:Q.259, A:A.332, A:A.334, A:Y.369, A:Y.498, A:Y.498, A:Y.501 Salt bridges: A:H.331, A:H.361, A:H.365, A:R.381, A:H.388, A:K.489, A:H.491

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

1PE.2: 7 residues within 4Å: Chain A: Y.24, A.28, W.201, Y.338, V.377, R.381, P.385 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:Y.24, A:R.381 Water bridges: A:G.382 1PE.10: 6 residues within 4Å: Chain A: S.35, S.39, S.333, A.334, W.335, T.496 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:S.35, A:S.39, A:T.496

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

PEG.3: 3 residues within 4Å: Chain A: D.189, G.190, F.191 No protein-ligand interaction detected (PLIP) PEG.7: 3 residues within 4Å: Chain A: F.271, T.418, W.580 No protein-ligand interaction detected (PLIP)

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

PG4.4: 8 residues within 4Å: Chain A: F.228, R.231, A.232, R.235, M.267, V.268, V.269, N.588 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:R.235, A:R.235

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

EDO.5: 6 residues within 4Å: Chain A: R.90, A.383, S.548, R.550, P.551, W.552 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:R.90, A:A.383, A:W.552 EDO.8: 2 residues within 4Å: Chain A: L.129, M.155 No protein-ligand interaction detected (PLIP) EDO.9: 4 residues within 4Å: Chain A: D.255, S.260, N.263, D.354 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:D.255, A:N.263, A:N.263, A:D.354 Water bridges: A:S.260, A:S.260

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

PGE.6: 5 residues within 4Å: Chain A: F.33, W.40, F.337, D.342, R.344 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:R.344, A:R.344

5 x NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)(Non-functional Binders)(Non-covalent)

NAG.11: 7 residues within 4Å: Chain A: N.45, T.47, E.49, N.50, R.53, R.326 Ligands: NAG.12 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:N.45, A:T.47, A:N.50, A:R.53 Water bridges: A:T.47, A:A.48 NAG.12: 1 residues within 4Å: Ligands: NAG.11 No protein-ligand interaction detected (PLIP) NAG.15: 3 residues within 4Å: Chain A: N.480, T.482, H.483 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:T.482, A:T.482 NAG.16: 5 residues within 4Å: Chain A: N.416, P.524, Q.527 Ligands: NAG.17, FUC.18 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:Q.527 Hydrogen bonds: A:Q.527 NAG.17: 4 residues within 4Å: Chain A: E.522, P.524 Ligands: NAG.16, FUC.18 1 PLIP interactions: 1 interactions with chain A Water bridges: A:G.523

1 x ZN: ZINC ION(Non-covalent)

ZN.13: 4 residues within 4Å: Chain A: H.361, H.365, E.389 Ligands: 01.1 3 PLIP interactions: 3 interactions with chain A Metal complexes: A:H.361, A:H.365, A:E.389

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

CL.14: 6 residues within 4Å: Chain A: W.201, Y.202, P.385, P.497, I.499, R.500 Ligand excluded by PLIP

1 x FUC: alpha-L-fucopyranose(Non-functional Binders)

FUC.18: 2 residues within 4Å: Ligands: NAG.16, NAG.17 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Gregory, K.S. et al., Molecular basis of human angiotensin-1 converting enzyme inhibition by a series of diprolyl-derived compounds. Febs J. (2025)

Release Date

2025-01-22

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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