SMTL ID : 8qfx.2 (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: 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, T.496, Y.498, Y.501 Ligands: ZN.4 11 PLIP interactions: 11 interactions with chain A Hydrophobic interactions: A:A.332, A:T.358, A:F.435, A:T.496, A:Y.501 Hydrogen bonds: A:Q.259, A:E.362, A:Y.501 Salt bridges: A:H.331, A:K.489, A:H.491

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: N.416, P.524, Q.527 Ligands: NAG.17 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:Q.527, A:Q.527 Water bridges: A:N.416, A:N.416, A:Q.527

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: 5 residues within 4Å: Chain A: N.45, T.47, E.49, N.50, R.326 1 PLIP interactions: 1 interactions with chain A Hydrophobic interactions: A:E.49

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: 5 residues within 4Å: Chain A: W.201, Y.202, P.385, P.497, 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.8, H2O.19, H2O.19

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

PEG.7: 3 residues within 4Å: Chain A: D.189, G.190, F.191 No protein-ligand interaction detected (PLIP) PEG.9: 6 residues within 4Å: Chain A: H.365, Y.369, R.380, R.381, H.388, E.389 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:Y.369, A:R.380 Water bridges: A:E.389, A:R.500 PEG.10: 3 residues within 4Å: Chain A: S.35 Ligands: PEG.11, PGE.12 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:S.39, A:S.39 PEG.11: 2 residues within 4Å: Chain A: A.334 Ligands: PEG.10 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:A.334

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

EDO.8: 3 residues within 4Å: Chain A: F.33, D.342, R.344 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:D.342, A:R.344, A:R.344 EDO.13: 3 residues within 4Å: Chain A: W.201, R.381, P.385 No protein-ligand interaction detected (PLIP) EDO.14: 3 residues within 4Å: Chain A: R.235, R.236, Y.237 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:Y.237 EDO.15: 2 residues within 4Å: Chain A: A.106, Q.109 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:Q.109 Water bridges: A:Q.109

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

PGE.12: 8 residues within 4Å: Chain A: Y.24, L.32, S.61, Y.338, V.377, R.380, R.381 Ligands: PEG.10 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:S.61, A:Y.338, A:R.380

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

ACT.16: 3 residues within 4Å: Chain A: R.199, E.208, W.447 7 PLIP interactions: 7 interactions with chain A Hydrophobic interactions: A:W.447 Hydrogen bonds: A:E.208 Water bridges: A:R.199, A:R.199, A:R.199, A:R.453 Salt bridges: A:R.199

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

NAG.17: 6 residues within 4Å: Chain A: E.522, G.523, P.524 Ligands: NAG-FUC.2, NAG-FUC.2, BMA.18 No protein-ligand interaction detected (PLIP) NAG.19: 4 residues within 4Å: Chain A: N.480, T.482, H.483 Ligands: FUC.20 No protein-ligand interaction detected (PLIP)

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

BMA.18: 2 residues within 4Å: Chain A: E.522 Ligands: NAG.17 No protein-ligand interaction detected (PLIP)

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

FUC.20: 4 residues within 4Å: Chain A: T.478, N.480, H.483 Ligands: NAG.19 1 PLIP interactions: 1 interactions with chain A Hydrophobic interactions: 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
B

Angiotensin-converting enzyme, soluble form

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