Structure of PDB 4jz1 Chain A

Receptor sequence
>4jz1A (length=241) Species: 9606 (Homo sapiens) [Search protein sequence]
VVGGTDADEGEWPWQVSLHALGQGHICGASLISPNWLVSAAHCYIDDRGF
RYSDPTQWTAFLGLHDQSQRSAPGVQERRLKRIISHPFFNDFTFDYDIAL
LELEKPAEYSSMVRPICLPDASHVFPAGKAIWVTGWGHTQYGGTGALILQ
KGEIRVINQTTCENLLPQQITPRMMCVGFLSGGVDSCQGDSGGPLSSVEA
DGRIFQAGVVSWGDGCAQRNKPGVYTRLPLFRDWIKENTGV
3D structure
PDB4jz1 Discovery of Pyridyl Bis(oxy)dibenzimidamide Derivatives as Selective Matriptase Inhibitors
ChainA
Resolution1.9 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) H57 D102 Q192 G193 D194 S195 G196
Catalytic site (residue number reindexed from 1) H42 D97 Q188 G189 D190 S191 G192
Enzyme Commision number 3.4.21.109: matriptase.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 F4D A H57 T98 F99 D189 S190 Q192 G193 S195 W215 G216 G219 C220 H42 T93 F94 D185 S186 Q188 G189 S191 W212 G213 G215 C216 PDBbind-CN: -logKd/Ki=6.70,Ki=0.2uM
BindingDB: Ki=200nM
Gene Ontology
Molecular Function
GO:0004252 serine-type endopeptidase activity
Biological Process
GO:0006508 proteolysis

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Molecular Function
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Biological Process
External links
PDB RCSB:4jz1, PDBe:4jz1, PDBj:4jz1
PDBsum4jz1
PubMed24900621
UniProtQ9Y5Y6|ST14_HUMAN Suppressor of tumorigenicity 14 protein (Gene Name=ST14)

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