SMTL ID : 8qfx.4 (3 other biounits)

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

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.60 Å

Oligo State

monomer

Ligands

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

ILE-PRO-PRO.1: 15 residues within 4Å: Chain A: Q.259, H.331, A.332, T.358, H.361, E.362, H.365, E.389, F.435, K.489, H.491, Y.498, Y.501 Ligands: ZN.4, PG4.8 10 PLIP interactions: 10 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 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: 5 residues within 4Å: Chain A: E.403, N.416, P.524, Q.527 Ligands: BMA.15 1 PLIP interactions: 1 interactions with chain A Hydrophobic interactions: A:P.524

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

PGE.3: 3 residues within 4Å: Chain A: R.453, Y.465, L.466 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:R.453, A:R.453 Water bridges: A:Q.444, A:T.454

1 x ZN: ZINC ION(Non-covalent)

ZN.4: 6 residues within 4Å: Chain A: H.361, E.362, H.365, E.389 Ligands: ILE-PRO-PRO.1, ILE-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.5: 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.6: 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:D.354, H2O.14, H2O.17, H2O.18

1 x XPE: 3,6,9,12,15,18,21,24,27-NONAOXANONACOSANE-1,29-DIOL(Non-covalent)

XPE.7: 6 residues within 4Å: Chain A: Q.286, H.292, R.295, V.296, E.299, I.408 1 PLIP interactions: 1 interactions with chain A Water bridges: A:R.295

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

PG4.8: 6 residues within 4Å: Chain A: A.334, Y.369, R.380, R.381, H.388 Ligands: ILE-PRO-PRO.1 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:Y.338, A:Y.369 Water bridges: A:G.382

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

PEG.9: 4 residues within 4Å: Chain A: F.33, F.337, D.342, R.344 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:R.344 Water bridges: A:R.344 PEG.10: 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:G.190

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

EDO.11: 3 residues within 4Å: Chain A: L.98, N.102, Q.188 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:Q.70 Water bridges: A:N.102, A:N.102 EDO.12: 6 residues within 4Å: Chain A: S.260, E.262, D.354, S.357, T.358, E.431 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:S.260, A:S.260, A:D.354 EDO.13: 2 residues within 4Å: Chain A: Q.598, H.600 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:H.600 EDO.16: 1 residues within 4Å: Chain A: P.455 No protein-ligand interaction detected (PLIP)

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

ACT.14: 3 residues within 4Å: Chain A: R.199, E.208, W.447 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:W.447 Water bridges: A:R.199, A:G.448 Salt bridges: A:R.199

1 x BMA: beta-D-mannopyranose(Non-covalent)

BMA.15: 2 residues within 4Å: Chain A: E.522 Ligands: NAG-NAG.2 No protein-ligand interaction detected (PLIP)

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

NAG.17: 5 residues within 4Å: Chain A: N.480, T.482, H.483 Ligands: NAG.18, FUC.19 1 PLIP interactions: 1 interactions with chain A Water bridges: A:N.480 NAG.18: 2 residues within 4Å: Ligands: NAG.17, FUC.19 No protein-ligand interaction detected (PLIP) NAG.20: 6 residues within 4Å: Chain A: N.45, T.47, E.49, N.50, R.326 Ligands: NAG.21 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:N.45, A:N.50 Water bridges: A:T.47, A:A.48 NAG.21: 1 residues within 4Å: Ligands: NAG.20 No protein-ligand interaction detected (PLIP)

1 x FUC: alpha-L-fucopyranose(Non-covalent)

FUC.19: 3 residues within 4Å: Chain A: T.478 Ligands: NAG.17, NAG.18 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:T.478, A:T.478 Water bridges: A:T.478, A:T.478

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, soluble form: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
D

Angiotensin-converting enzyme, soluble form

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