SMTL ID : 5f8t.1

The crystal structure of human Plasma Kallikrein in complex with its peptide inhibitor pkalin-2

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.75 Å

Oligo State

hetero-1-1-mer

Ligands

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

SO4.1: 9 residues within 4Å: Chain A: W.9, G.10, W.12, P.13, G.60, I.61, L.62, F.108, L.145 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:S.8, A:G.10, A:W.12, A:F.108 Water bridges: A:E.11, A:E.11 SO4.2: 3 residues within 4Å: Chain A: L.22, T.23, A.24 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:L.22, A:T.23, A:A.24 SO4.3: 4 residues within 4Å: Chain A: Y.176, E.178, G.179, K.181 1 PLIP interactions: 1 interactions with chain A Salt bridges: A:K.181 SO4.4: 4 residues within 4Å: Chain A: E.11, W.12, W.128, K.147 2 PLIP interactions: 2 interactions with chain A Water bridges: A:K.147 Salt bridges: A:K.147

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

MRZ.5: 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 7 PLIP interactions: 6 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:Y.221 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-2. To Be Published

Release Date

2016-12-14

Peptides

Plasma kallikrein light chain: A
CYS-PRO-LYS-ARG-PHE-M70-ALA-LEU-PHE-CYS: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
P

Plasma kallikrein light chain

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

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