SMTL ID : 6qs1.2 (1 other biounit)

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

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.80 Å

Oligo State

hetero-1-1-mer

Ligands

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.1: 11 residues within 4Å: Chain A: E.403, N.416, D.417, T.418, D.421, Y.521, E.522, G.523, P.524, Q.527, L.576 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:D.417, A:T.418, A:E.522

1 x NAG- FUC: alpha-L-fucopyranose-(1-6)-2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)

NAG-FUC.2: 5 residues within 4Å: Chain A: T.478, N.480, T.482, H.483, L.603 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:N.480, A:T.482, A:T.482

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

NAG.3: 6 residues within 4Å: Chain A: N.45, T.47, E.49, N.50, D.324, R.326 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:T.47, A:E.49, A:N.50

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

EDO.4: 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 EDO.10: 6 residues within 4Å: Chain A: R.90, A.94, S.378, L.379, R.381, S.548 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:R.90, A:R.90, A:S.548

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

PEG.5: 6 residues within 4Å: Chain A: E.176, T.179, A.180, N.183, F.450, P.456 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:N.183 Water bridges: A:E.184 PEG.6: 6 residues within 4Å: Chain A: D.210, H.213, L.214, W.552, A.564, L.565 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:D.210, A:L.565 Water bridges: A:S.204, A:S.204

3 x BO3: BORIC ACID(Non-covalent)

BO3.7: 5 residues within 4Å: Chain A: R.199, E.208, W.447, G.448, S.451 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:R.199, A:R.199, A:W.447 Water bridges: A:G.448, A:S.451 BO3.8: 3 residues within 4Å: Chain A: P.173, E.176, D.177 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:E.176, A:D.177 BO3.9: 4 residues within 4Å: Chain A: E.513, Q.568, P.569, K.572 No protein-ligand interaction detected (PLIP)

1 x ZN: ZINC ION(Non-covalent)

ZN.11: 8 residues within 4Å: Chain A: H.361, E.362, 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.12: 6 residues within 4Å: Chain A: W.201, Y.202, P.385, P.497, I.499, R.500 Ligand excluded by PLIP CL.13: 5 residues within 4Å: Chain A: R.381, G.382, P.385, H.388 Chain B: K.8 Ligand excluded by PLIP

1 x MG: MAGNESIUM ION(Non-covalent)

MG.14: 4 residues within 4Å: Chain A: S.260, E.262, N.263, D.354 4 PLIP interactions: 1 interactions with chain A, 3 Ligand-Water interactions Metal complexes: A:E.262, H2O.4, H2O.6, H2O.9

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
B

B
F

Angiotensin-converting enzyme

Bradykinin potentiating peptide b

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