Structure of PDB 5tca Chain C Binding Site BS03

Receptor Information
>5tca Chain C (length=228) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
ILGGREAEAHARPYMASVQLNGAHLCGGVLVAEQWVLSAAHCLEDAADGK
VQVLLGAHSLSQPEPSKRLYDVLRAVPHPDSQPDTIDHDLLLLQLSEKAT
LGPAVRPLPWQRVDRDVAPGTLCDVAGWGIVNHAGRRPDSLQHVLLPVLD
RATCNRRTHHDGAITERLMCAESNRRDSCKGDSGGPLVCGGVLEGVVTSG
SRVCGNRKKPGIYTRVASYAAWIDSVLA
Ligand information
Ligand IDJ55
InChIInChI=1S/C18H16BrN7O3S/c19-11-4-1-5-12(22-11)23-17(29)18-25(7-8-30-18)13(27)9-26-16-10(3-2-6-21-16)14(24-26)15(20)28/h1-6,18H,7-9H2,(H2,20,28)(H,22,23,29)/t18-/m0/s1
InChIKeyAOOWOKALXAVACG-SFHVURJKSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 2.0.6c1cc(nc(c1)Br)NC(=O)[C@H]2N(CCS2)C(=O)Cn3c4c(cccn4)c(n3)C(=O)N
CACTVS 3.385NC(=O)c1nn(CC(=O)N2CCS[CH]2C(=O)Nc3cccc(Br)n3)c4ncccc14
OpenEye OEToolkits 2.0.6c1cc(nc(c1)Br)NC(=O)C2N(CCS2)C(=O)Cn3c4c(cccn4)c(n3)C(=O)N
CACTVS 3.385NC(=O)c1nn(CC(=O)N2CCS[C@H]2C(=O)Nc3cccc(Br)n3)c4ncccc14
ACDLabs 12.01O=C(C1SCCN1C(Cn3c2ncccc2c(n3)C(N)=O)=O)Nc4nc(ccc4)Br
FormulaC18 H16 Br N7 O3 S
Name1-(2-{(2S)-2-[(6-bromopyridin-2-yl)carbamoyl]-1,3-thiazolidin-3-yl}-2-oxoethyl)-1H-pyrazolo[3,4-b]pyridine-3-carboxamide
ChEMBLCHEMBL3890777
DrugBank
ZINCZINC000584905600
PDB chain5tca Chain C Residue 302 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB5tca Buried Hydrogen Bond Interactions Contribute to the High Potency of Complement Factor D Inhibitors.
Resolution3.15 Å
Binding residue
(original residue number in PDB)		R20 G135 L137 H158 V159 L160 R191
Binding residue
(residue number reindexed from 1)		R5 G120 L122 H143 V144 L145 R176
Annotation score1
Binding affinityBindingDB: Kd=19nM,IC50=19nM
Enzymatic activity
Catalytic site (original residue number in PDB) H56 D104 K195 G196 D197 S198 G199
Catalytic site (residue number reindexed from 1) H41 D89 K180 G181 D182 S183 G184
Enzyme Commision number 3.4.21.46: complement factor D.
Gene Ontology
Molecular Function
GO:0004252 serine-type endopeptidase activity
GO:0008236 serine-type peptidase activity
Biological Process
GO:0006508 proteolysis
GO:0006956 complement activation
GO:0006957 complement activation, alternative pathway
GO:0009617 response to bacterium
Cellular Component
GO:0005576 extracellular region
GO:0005615 extracellular space
GO:0031093 platelet alpha granule lumen
GO:0034774 secretory granule lumen
GO:0070062 extracellular exosome
GO:1904813 ficolin-1-rich granule lumen

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:5tca, PDBe:5tca, PDBj:5tca
PDBsum5tca
PubMed27994744
UniProtP00746|CFAD_HUMAN Complement factor D (Gene Name=CFD)

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