Structure of PDB 1ejn Chain A

Receptor sequence
>1ejnA (length=247) Species: 9606 (Homo sapiens) [Search protein sequence]
IIGGEFTTIENQPWFAAIYRRHRGGSVTYVCGGSLISPCWVISATHCFID
YPKKEDYIVYLGRSRLNSNTQGEMKFEVENLILHKDYSADTLAHHNDIAL
LKIRSKEGRCAQPSRTIQTISLPSMYNDPQFGTSCEITGFGKENSTDYLY
PEQLKMTVVKLISHRECQQPHYYGSEVTTKMLCAADPQWKTDSCQGDSGG
PLVCSLQGRMTLTGIVSWGRGCALKDKPGVYTRVSHFLPWIRSHTKE
3D structure
PDB1ejn (4-aminomethyl)phenylguanidine derivatives as nonpeptidic highly selective inhibitors of human urokinase.
ChainA
Resolution1.8 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) H46 D97 Q195 G196 D197 S198 G199
Enzyme Commision number 3.4.21.73: u-plasminogen activator.
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 AGB A C42 D189 S190 C191 Q192 G193 S195 S214 W215 G216 G219 G226 C31 D192 S193 C194 Q195 G196 S198 S217 W218 G219 G221 G229 MOAD: Ki=2.4uM
PDBbind-CN: -logKd/Ki=5.62,Ki=2.4uM
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:1ejn, PDBe:1ejn, PDBj:1ejn
PDBsum1ejn
PubMed10805774
UniProtP00749|UROK_HUMAN Urokinase-type plasminogen activator (Gene Name=PLAU)

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