SMTL ID : 8qhl.1 (1 other biounit)

Human Angiotensin-1 converting enzyme N-domain in complex with the lactotripeptide VPP

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.90 Å

Oligo State

monomer

Ligands

1 x VAL- PRO- PRO: VAL-PRO-PRO(Non-covalent)

VAL-PRO-PRO.1: 16 residues within 4Å: Chain A: Q.259, H.331, A.332, S.333, T.358, H.361, E.362, H.365, E.389, F.435, K.489, H.491, Y.498, Y.501 Ligands: ZN.5, PGE.13 12 PLIP interactions: 12 interactions with chain A Hydrophobic interactions: A:A.332, A:T.358, A:F.435, A:Y.501 Hydrogen bonds: A:Q.259, A:E.389, A:Y.498, A:Y.498, A:Y.501 Salt bridges: A:H.331, A:K.489, A:H.491

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.2: 6 residues within 4Å: Chain A: N.45, T.47, E.49, N.50, R.53, R.326 No protein-ligand interaction detected (PLIP)

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: 6 residues within 4Å: Chain A: E.403, N.416, E.522, G.523, P.524, Q.527 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.4: 4 residues within 4Å: Chain A: T.478, N.480, T.482, H.483 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:T.482, A:T.478 Water bridges: A:E.161, A:T.478, A:T.478, A:H.483

1 x ZN: ZINC ION(Non-covalent)

ZN.5: 6 residues within 4Å: Chain A: H.361, E.362, H.365, E.389 Ligands: VAL-PRO-PRO.1, VAL-PRO-PRO.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.6: 6 residues within 4Å: Chain A: W.201, Y.202, P.385, P.497, I.499, R.500 Ligand excluded by PLIP

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

PEG.7: 4 residues within 4Å: Chain A: R.96, D.189, G.190, F.191 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:R.96 PEG.10: 6 residues within 4Å: Chain A: F.228, R.231, A.232, R.235, V.268, V.269 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:R.235 PEG.12: 6 residues within 4Å: Chain A: S.39, S.333, A.334, W.335 Ligands: EDO.8, PGE.13 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:S.39, A:S.39

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

EDO.8: 3 residues within 4Å: Chain A: S.35, V.36 Ligands: PEG.12 No protein-ligand interaction detected (PLIP) EDO.9: 4 residues within 4Å: Chain A: W.201, R.381, P.385 Ligands: PGE.13 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:R.381

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

PG4.11: 6 residues within 4Å: Chain A: F.33, E.315, G.316, F.337, D.342, R.344 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:E.315, A:R.344, A:R.344

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

PGE.13: 7 residues within 4Å: Chain A: Y.369, R.381, H.388, R.500 Ligands: VAL-PRO-PRO.1, EDO.9, PEG.12 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:R.381, A:R.500 Water bridges: A:G.382

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Gregory, K.S. et al., Structural insights into the inhibitory mechanism of angiotensin-I-converting enzyme by the lactotripeptides IPP and VPP. Febs Lett. (2024)

Release Date

2023-11-22

Peptides

Angiotensin-converting enzyme: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

Angiotensin-converting enzyme

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