SMTL ID : 5f8x.1

The crystal structure of human plasma kallikrein in complex with its peptide inhibitor pkalin-3

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.55 Å

Oligo State

hetero-1-1-mer

Ligands

8 x SO4: SULFATE ION(Non-functional Binders)

SO4.1: 4 residues within 4Å: Chain A: L.49, P.50, L.51, I.79 1 PLIP interactions: 1 interactions with chain A Water bridges: A:Q.52 SO4.2: 5 residues within 4Å: Chain A: S.59, G.60, T.106, F.108, Q.109 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:S.59, A:T.106 Water bridges: A:Q.109, A:Q.109, A:Q.109 SO4.3: 4 residues within 4Å: Chain A: E.11, W.12, W.128, K.147 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:E.11, A:E.11 Salt bridges: A:K.147 SO4.4: 8 residues within 4Å: Chain A: W.9, G.10, W.12, G.60, I.61, L.62, F.108, L.145 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:G.10, A:G.60, A:I.61 Water bridges: A:W.12, A:W.12 SO4.5: 4 residues within 4Å: Chain A: L.22, T.23, A.24, R.26 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:L.22, A:T.23, A:T.23, A:A.24 Salt bridges: A:R.26 SO4.6: 3 residues within 4Å: Chain A: N.149, P.151, Y.176 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:Y.176 Water bridges: A:N.149, A:K.181 SO4.7: 4 residues within 4Å: Chain A: Q.19, Q.25, L.64, I.67 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:Q.19, A:Q.25, A:L.64 SO4.8: 4 residues within 4Å: Chain A: Y.176, E.178, G.179, K.181 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:G.179 Salt bridges: A:K.181

1 x MRZ: piperidine-1-carboximidamide(Covalent)

MRZ.9: 13 residues within 4Å: Chain A: D.182, A.183, C.184, T.206, S.207, W.208, G.209, G.211, C.212, G.219 Chain B: R.4, F.5, A.6 8 PLIP interactions: 7 interactions with chain A, 1 interactions with chain B Hydrophobic interactions: A:T.206, B:A.6 Hydrogen bonds: A:A.183, A:G.211 Water bridges: A:W.208, A:W.208, A:E.210 Salt bridges: A:D.182

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Xu, M. et al., The Crystal Structure Of Human Plasma Kallikrein In Complex With Its Peptide Inhibitor Pkalin-3. To Be Published

Release Date

2016-12-14

Peptides

Plasma kallikrein: A
CYS-PRO-ALA-ARG-PHE-M70-ALA-LEU-TRP-CYS: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Plasma kallikrein

CYS-PRO-ALA-ARG-PHE-M70-ALA-LEU-TRP-CYS

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