SMTL ID : 8qhl.2 (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: 17 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, F.490, H.491, Y.498, Y.501 Ligands: ZN.5, PEG.14 10 PLIP interactions: 10 interactions with chain A Hydrophobic interactions: A:A.332, A:T.358, A:F.435, A:F.490, A:Y.501 Hydrogen bonds: A:Q.259, A:E.362 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: 4 residues within 4Å: Chain A: N.45, T.47, E.49, N.50 1 PLIP interactions: 1 interactions with chain A Hydrophobic interactions: A:E.49

1 x NAG- NAG- BMA: beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose

NAG-NAG-BMA.3: 4 residues within 4Å: Chain A: N.416, E.522, 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 1 PLIP interactions: 1 interactions with chain A Hydrophobic interactions: A:T.478

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 No protein-ligand interaction detected (PLIP) PEG.9: 2 residues within 4Å: Chain A: A.334, W.335 1 PLIP interactions: 1 interactions with chain A Water bridges: A:D.43 PEG.14: 5 residues within 4Å: Chain A: Y.338, Y.369, R.380, H.388 Ligands: VAL-PRO-PRO.1 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:Y.338, A:Y.338, A:Y.369 Water bridges: A:E.389, A:R.500

1 x BCN: BICINE(Non-covalent)

BCN.8: 3 residues within 4Å: Chain A: A.37, W.40, R.344 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:R.344, A:R.344 Salt bridges: A:R.344

1 x MG: MAGNESIUM ION(Non-covalent)

MG.10: 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.3

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

PG4.11: 6 residues within 4Å: Chain A: Q.444, G.448, R.453, T.454, Y.465, L.466 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:R.453

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

1PE.12: 3 residues within 4Å: Chain A: H.292, R.295 Ligands: 1PE.13 No protein-ligand interaction detected (PLIP) 1PE.13: 6 residues within 4Å: Chain A: W.288, H.292, V.296, E.299, I.408 Ligands: 1PE.12 No protein-ligand interaction detected (PLIP)

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
A

Angiotensin-converting enzyme

Related Entries With Identical Sequence