Structure of PDB 1i3u Chain A Binding Site BS01

Receptor Information
>1i3u Chain A (length=127) Species: 9844 (Lama glama) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
EVQLQESGGGLVQAGDSLKLSCEASGDSIGTYVIGWFRQAPGKERIYLAT
IGRNLVGPSDFYTRYADSVKGRFAVSRDNAKNTVNLQMNSLKPEDTAVYY
CAAKTTTWGGNDPNNWNYWGQGTQVTV
Ligand information
Ligand IDRR1
InChIInChI=1S/C19H16N8O10S3/c20-17-23-18(21)25-19(24-17)22-11-7-9(38(29,30)31)5-8-6-13(40(35,36)37)15(16(28)14(8)11)27-26-10-3-1-2-4-12(10)39(32,33)34/h1-7,28H,(H,29,30,31)(H,32,33,34)(H,35,36,37)(H5,20,21,22,23,24,25)/b27-26+
InChIKeyLOCFSBZWHQIILX-CYYJNZCTSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0c1ccc(c(c1)/N=N/c2c(cc3cc(cc(c3c2O)Nc4nc(nc(n4)N)N)S(=O)(=O)O)S(=O)(=O)O)S(=O)(=O)O
ACDLabs 10.04O=S(=O)(O)c4ccccc4/N=N/c2c(O)c1c(cc(cc1cc2S(=O)(=O)O)S(=O)(=O)O)Nc3nc(nc(n3)N)N
OpenEye OEToolkits 1.5.0c1ccc(c(c1)N=Nc2c(cc3cc(cc(c3c2O)Nc4nc(nc(n4)N)N)S(=O)(=O)O)S(=O)(=O)O)S(=O)(=O)O
CACTVS 3.341Nc1nc(N)nc(Nc2cc(cc3cc(c(N=Nc4ccccc4[S](O)(=O)=O)c(O)c23)[S](O)(=O)=O)[S](O)(=O)=O)n1
FormulaC19 H16 N8 O10 S3
Name5-(4,6-DIAMINO-[1,3,5]TRIAZIN-2-YLAMINO)-4-HYDROXY-3-(2-SULFO-PHENYLAZO)-NAPHTHALENE-2,7-DISULFONIC ACID;
REACTIVE RED 1 DYE
ChEMBL
DrugBankDB03474
ZINCZINC000014880776
PDB chain1i3u Chain A Residue 401 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1i3u Lateral recognition of a dye hapten by a llama VHH domain.
Resolution1.95 Å
Binding residue
(original residue number in PDB)
T50 G52 R53 N54 Y62 R64 K104 T107 W108 G110
Binding residue
(residue number reindexed from 1)
T50 G52 R53 N54 Y62 R64 K104 T107 W108 G110
Annotation score1
External links