Structure of PDB 1btx Chain A Binding Site BS01

Receptor Information
>1btx Chain A (length=223) Species: 9913 (Bos taurus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
IVGGYTCGANTVPYQVSLNSGYHFCGGSLINSQWVVSAAHCYKSGIQVRL
GEDNINVVEGNEQFISASKSIVHPSYNSNTLNNDIMLIKLKSAASLNSRV
ASISLPTSCASAGTQCLISGWGNTKSSGTSYPDVLKCLKAPILSDSSCKS
AYPGQITSNMFCAGYLEGGKDSCQGDSGGPVVCSGKLQGIVSWGSGCAQK
NKPGVYTKVCNYVSWIKQTIASN
Ligand information
Ligand ID0ZX
InChIInChI=1S/C22H45BN4O6/c1-9-31-23(32-10-2)17(13-11-12-14-24)26-20(29)18(15(3)4)27-19(28)16(5)25-21(30)33-22(6,7)8/h15-18H,9-14,24H2,1-8H3,(H,25,30)(H,26,29)(H,27,28)/t16-,17-,18-/m0/s1
InChIKeyGIVAJOGGLRHKIW-BZSNNMDCSA-N
SMILES
SoftwareSMILES
ACDLabs 10.04O=C(OC(C)(C)C)NC(C(=O)NC(C(=O)NC(B(OCC)OCC)CCCCN)C(C)C)C
CACTVS 3.352CCOB(OCC)[C@@H](CCCCN)NC(=O)[C@@H](NC(=O)[C@H](C)NC(=O)OC(C)(C)C)C(C)C
CACTVS 3.352CCOB(OCC)[CH](CCCCN)NC(=O)[CH](NC(=O)[CH](C)NC(=O)OC(C)(C)C)C(C)C
FormulaC22 H45 B N4 O6
NameN-(tert-butoxycarbonyl)-L-alanyl-N-[(1S)-5-amino-1-(diethoxyboranyl)pentyl]-L-valinamide
ChEMBL
DrugBank
ZINC
PDB chain1btx Chain A Residue 632 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
PDB1btx Episelection: novel Ki approximately nanomolar inhibitors of serine proteases selected by binding or chemistry on an enzyme surface.
Resolution1.7 Å
Binding residue
(original residue number in PDB)		H57 S190 C191 Q192 G193 S195 S214 W215 G216
Binding residue
(residue number reindexed from 1)		H40 S172 C173 Q174 G175 S177 S192 W193 G194
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) H57 D102 Q192 G193 D194 S195 G196
Catalytic site (residue number reindexed from 1) H40 D84 Q174 G175 D176 S177 G178
Enzyme Commision number 3.4.21.4: trypsin.
Gene Ontology
Molecular Function
GO:0004175 endopeptidase activity
GO:0004252 serine-type endopeptidase activity
GO:0005515 protein binding
GO:0008236 serine-type peptidase activity
GO:0046872 metal ion binding
GO:0097655 serpin family protein binding
Biological Process
GO:0006508 proteolysis
GO:0007586 digestion
Cellular Component
GO:0005576 extracellular region
GO:0005615 extracellular space
GO:0097180 serine protease inhibitor complex

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:1btx, PDBe:1btx, PDBj:1btx
PDBsum1btx
PubMed7599119
UniProtP00760|TRY1_BOVIN Serine protease 1 (Gene Name=PRSS1)

[Back to BioLiP]