SMTL ID : 4isl.1

Crystal Structure of the inactive Matriptase in complex with its inhibitor HAI-1

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.29 Å

Oligo State

hetero-1-1-mer

Ligands

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

PG4.1: 4 residues within 4Å: Chain A: L.47, R.48 Chain B: L.21, G.22 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:R.48, A:R.48 Water bridges: A:E.50

3 x GOL: GLYCEROL(Non-functional Binders)

GOL.2: 7 residues within 4Å: Chain B: F.125, V.156, I.157, Q.158, Q.159, M.175, R.227 6 PLIP interactions: 6 interactions with chain B Hydrogen bonds: B:F.125, B:I.157, B:Q.159, B:Q.159, B:R.227, B:R.227 GOL.3: 11 residues within 4Å: Chain A: F.19, R.21, Y.36, G.38 Chain B: H.42, C.43, Y.44, I.45, D.46, D.47, Y.52 7 PLIP interactions: 4 interactions with chain B, 3 interactions with chain A Hydrogen bonds: B:C.43, B:I.45, B:I.45, B:D.47, A:R.21, A:R.21 Water bridges: A:Y.36 GOL.5: 5 residues within 4Å: Chain B: E.11, W.12, W.132, K.151, V.198 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:K.151 Water bridges: B:E.11

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

PGE.4: 5 residues within 4Å: Chain B: V.2, Q.140, S.181, G.183, A.217 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:Q.140, B:S.181

1 x GSH: GLUTATHIONE(Non-covalent)

GSH.6: 8 residues within 4Å: Chain B: W.14, Y.109, R.114, P.115, I.116, C.117, R.203, I.204 6 PLIP interactions: 6 interactions with chain B Hydrogen bonds: B:R.114, B:P.115, B:C.117, B:R.203, B:I.204 Salt bridges: B:R.114

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Zhao, B. et al., Crystal structures of matriptase in complex with its inhibitor hepatocyte growth factor activator inhibitor-1. J.Biol.Chem. (2013)

Release Date

2013-03-06

Peptides

Kunitz-type protease inhibitor 1: A
Suppressor of tumorigenicity 14 protein: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

B
A

Kunitz-type protease inhibitor 1

Suppressor of tumorigenicity 14 protein

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