Structure of PDB 3t6i Chain A Binding Site BS01

Receptor Information
>3t6i Chain A (length=330) Species: 5116 (Cryphonectria parasitica) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
STGSATTTPIDSLDDAYITPVQIGTPAQTLNLDFDTGSSDLWVFSSETTA
SEVDGQTIYTPSKSTTAKLLSGATWSISYGDGSSSSGDVYTDTVSVGGLT
VTGQAVESAKKVSSSFTEDSTIDGLLGLAFSTLNTVSPTQQKTFFDNAKA
SLDSPVFTADLGYHAPGTYNFGFIDTTAYTGSITYTAVSTKQGFWEWTST
GYAVGSGTFKSTSIDGIADTGTTLLYLPATVVSAYWAQVSGAKSSSSVGG
YVFPCSATLPSFTFGVGSARIVIPGDYIDFGPISTGSSSCFGGIQSSAGI
GINIFGDVALKAAFVVFNGATTPTLGFASK
Ligand information
Ligand IDNC8
InChIInChI=1S/C30H33BrN4O3/c31-26-7-5-25(6-8-26)30(37)38-20-23-13-14-34-17-24(15-23)19-35(18-22-3-11-28(33)12-4-22)29(36)16-21-1-9-27(32)10-2-21/h1-13,24,34H,14-20,32-33H2/p+1/t24-/m1/s1
InChIKeyILVATMQGTNYMLQ-XMMPIXPASA-O
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.7.2c1cc(ccc1CC(=O)N(Cc2ccc(cc2)N)CC3CC(=CC[NH2+]C3)COC(=O)c4ccc(cc4)Br)N
CACTVS 3.370Nc1ccc(CN(C[CH]2C[NH2+]CC=C(COC(=O)c3ccc(Br)cc3)C2)C(=O)Cc4ccc(N)cc4)cc1
OpenEye OEToolkits 1.7.2c1cc(ccc1CC(=O)N(Cc2ccc(cc2)N)C[C@@H]3CC(=CC[NH2+]C3)COC(=O)c4ccc(cc4)Br)N
CACTVS 3.370Nc1ccc(CN(C[C@H]2C[NH2+]CC=C(COC(=O)c3ccc(Br)cc3)C2)C(=O)Cc4ccc(N)cc4)cc1
ACDLabs 12.01Brc1ccc(cc1)C(=O)OCC4=CC[NH2+]CC(CN(C(=O)Cc2ccc(N)cc2)Cc3ccc(N)cc3)C4
FormulaC30 H34 Br N4 O3
Name(3R)-3-({(4-aminobenzyl)[(4-aminophenyl)acetyl]amino}methyl)-5-{[(4-bromobenzoyl)oxy]methyl}-2,3,4,7-tetrahydro-1H-azepinium
ChEMBL
DrugBank
ZINC
PDB chain3t6i Chain A Residue 1001 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB3t6i Endothiapepsin in complex with an azepin derivative
Resolution1.32 Å
Binding residue
(original residue number in PDB)		D35 G37 I77 S78 Y79 G80 F194 D219 G221 T222 Y226 I300
Binding residue
(residue number reindexed from 1)		D35 G37 I77 S78 Y79 G80 F194 D219 G221 T222 Y226 I300
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) D35 S38 D40 W42 Y79 D219 T222
Catalytic site (residue number reindexed from 1) D35 S38 D40 W42 Y79 D219 T222
Enzyme Commision number 3.4.23.22: endothiapepsin.
Gene Ontology
Molecular Function
GO:0004190 aspartic-type endopeptidase activity
Biological Process
GO:0006508 proteolysis

View graph for
Molecular Function
View graph for
Biological Process
External links
PDB RCSB:3t6i, PDBe:3t6i, PDBj:3t6i
PDBsum3t6i
PubMed
UniProtP11838|CARP_CRYPA Endothiapepsin (Gene Name=EAPA)

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