Structure of PDB 1ldq Chain B Binding Site BS01

Receptor Information
>1ldq Chain B (length=112) Species: 9031 (Gallus gallus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
KCSLTGKWTNDLGSNMTIGAVNSRGEFTGTYTTAESPLHGTENTINKRTQ
PTFGFTVNWKFSESTTVFTGQCFIDRNGKEVLKTMWLLRSSVNDIGDDWK
ATRVGINIFTRL
Ligand information
Ligand IDSHM
InChIInChI=1S/C11H18N2O3S/c14-9(15)5-3-1-2-4-8-10-7(6-17-8)12-11(16)13-10/h7-8,10H,1-6H2,(H,14,15)(H2,12,13,16)/t7-,8-,10-/m0/s1
InChIKeyCUIOUBJXOZHWNJ-NRPADANISA-N
SMILES
SoftwareSMILES
CACTVS 3.341OC(=O)CCCCC[CH]1SC[CH]2NC(=O)N[CH]12
OpenEye OEToolkits 1.5.0C1[C@H]2[C@@H]([C@@H](S1)CCCCCC(=O)O)NC(=O)N2
ACDLabs 10.04O=C1NC2C(SCC2N1)CCCCCC(=O)O
OpenEye OEToolkits 1.5.0C1C2C(C(S1)CCCCCC(=O)O)NC(=O)N2
CACTVS 3.341OC(=O)CCCCC[C@@H]1SC[C@@H]2NC(=O)N[C@H]12
FormulaC11 H18 N2 O3 S
NameHOMOBIOTIN;
6-(2-OXO-HEXAHYDRO-THIENO[3,4-D]IMIDAZOL-4-YL)-HEXANOIC ACID
ChEMBL
DrugBankDB03112
ZINCZINC000005851657
PDB chain1ldq Chain B Residue 2 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1ldq Ligand exchange between proteins: exchange of biotin and biotin derivatives between avidin and streptavidin
Resolution2.7 Å
Binding residue
(original residue number in PDB)
S216 Y233 W270 T277 W297 N318
Binding residue
(residue number reindexed from 1)
S14 Y31 W59 T66 W86 N107
Annotation score1
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Biological Process
GO:0019731 antibacterial humoral response
Cellular Component
GO:0005576 extracellular region

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Cellular Component
External links
PDB RCSB:1ldq, PDBe:1ldq, PDBj:1ldq
PDBsum1ldq
PubMed12055191
UniProtP02701|AVID_CHICK Avidin (Gene Name=AVD)

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