Structure of PDB 5tca Chain F

Receptor sequence
>5tcaF (length=228) Species: 9606 (Homo sapiens) [Search protein sequence]
ILGGREAEAHARPYMASVQLNGAHLCGGVLVAEQWVLSAAHCLEDAADGK
VQVLLGAHSLSQPEPSKRLYDVLRAVPHPDSQPDTIDHDLLLLQLSEKAT
LGPAVRPLPWQRVDRDVAPGTLCDVAGWGIVNHAGRRPDSLQHVLLPVLD
RATCNRRTHHDGAITERLMCAESNRRDSCKGDSGGPLVCGGVLEGVVTSG
SRVCGNRKKPGIYTRVASYAAWIDSVLA
3D structure
PDB5tca Buried Hydrogen Bond Interactions Contribute to the High Potency of Complement Factor D Inhibitors.
ChainF
Resolution3.15 Å
3D
structure
Catalytic site residues are labeled in the structure
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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.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 J55 F L40 C41 H56 C57 C194 K195 G196 S198 T213 S214 G215 S216 R217 L25 C26 H41 C42 C179 K180 G181 S183 T198 S199 G200 S201 R202 BindingDB: Kd=19nM,IC50=19nM
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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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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