SMTL ID : 6qs1.1 (1 other biounit)

Crystal structure of human Angiotensin-1 converting enzyme N-domain in complex with BPPb

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.80 Å

Oligo State

hetero-1-1-mer

Ligands

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.1: 7 residues within 4Å: Chain A: N.45, T.47, E.49, N.50, R.53, D.324, 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.2: 7 residues within 4Å: Chain A: E.403, N.416, Y.521, E.522, G.523, P.524, Q.527 No protein-ligand interaction detected (PLIP)

1 x NAG- NAG- FUC: 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose

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

XPE.4: 10 residues within 4Å: Chain A: Q.286, G.287, W.288, T.291, H.292, R.295, V.296, E.299, I.408, Y.531 No protein-ligand interaction detected (PLIP)

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

EDO.5: 6 residues within 4Å: Chain A: Y.197, W.201, R.381, P.385 Chain B: P.5 Ligands: CL.18 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:R.381 EDO.6: 6 residues within 4Å: Chain A: F.33, A.37, W.40, F.337, D.342, R.344 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:R.344, A:R.344 EDO.12: 5 residues within 4Å: Chain A: T.418, I.422, W.580, E.583 Ligands: PEG.11 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:T.418, A:T.418, A:W.580 Water bridges: A:E.583 EDO.13: 2 residues within 4Å: Chain A: T.302, P.308 No protein-ligand interaction detected (PLIP)

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

PEG.7: 5 residues within 4Å: Chain A: W.80, R.96, D.189, G.190, F.191 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:R.96 Water bridges: A:T.97 PEG.11: 5 residues within 4Å: Chain A: P.270, F.271, W.580, Q.584 Ligands: EDO.12 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:P.270, A:W.580 Water bridges: A:Q.584

4 x BO3: BORIC ACID(Non-covalent)

BO3.8: 4 residues within 4Å: Chain A: E.513, Q.568, P.569, K.572 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:E.513, A:K.572 BO3.9: 5 residues within 4Å: Chain A: R.199, E.208, W.447, S.451, R.453 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:R.199, A:R.199, A:W.447 Water bridges: A:S.451 BO3.10: 7 residues within 4Å: Chain A: R.199, S.200, S.204, P.205, T.206, F.207, E.208 8 PLIP interactions: 8 interactions with chain A Hydrogen bonds: A:R.199, A:S.204, A:S.204, A:F.207, A:E.208, A:E.208 Water bridges: A:R.199, A:S.204 BO3.15: 5 residues within 4Å: Chain A: A.51, E.55, A.113, S.116, Q.117 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:Q.117

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

PGE.14: 8 residues within 4Å: Chain A: Q.444, W.445, G.448, R.453, T.454, D.462, Y.465, L.466 1 PLIP interactions: 1 interactions with chain A Water bridges: A:G.448

1 x ZN: ZINC ION(Non-covalent)

ZN.16: 7 residues within 4Å: Chain A: H.361, H.365, E.389, Y.501 Chain B: K.8, I.9, P.10 4 PLIP interactions: 3 interactions with chain A, 1 interactions with chain B Metal complexes: A:H.361, A:H.365, A:E.389, B:I.9

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

CL.17: 6 residues within 4Å: Chain A: W.201, Y.202, P.385, P.497, I.499, R.500 Ligand excluded by PLIP CL.18: 6 residues within 4Å: Chain A: R.381, G.382, P.385, H.388 Chain B: K.8 Ligands: EDO.5 Ligand excluded by PLIP

1 x MG: MAGNESIUM ION(Non-covalent)

MG.19: 3 residues within 4Å: Chain A: E.262, N.263, D.354 5 PLIP interactions: 3 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:E.262, A:E.262, A:D.354, H2O.8, H2O.8

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Sturrock, E.D. et al., Structural basis for the C-domain-selective angiotensin-converting enzyme inhibition by bradykinin-potentiating peptide b (BPPb). Biochem.J. (2019)

Release Date

2019-05-22

Peptides

Angiotensin-converting enzyme: A
Bradykinin potentiating peptide b: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
E

Angiotensin-converting enzyme

Bradykinin potentiating peptide b

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