Structure of PDB 1rrk Chain A Binding Site BS01

Receptor Information
>1rrk Chain A (length=480) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
SMNIYLVLDGSDSIGASNFTGAKKVLVNLIEKVASYGVKPRYGLVTYATY
PKIWVKVSEADSSNADWVTKQLNEINYEDHKLKSGTNTKKALQAVYSMMS
WPGWNRTRHVIILMTDGLHNMGGDPITVIDEIRDLLYIGKDRNPREDYLD
VYVFGVGPLVNQVNINALASKKDNEQHVCKVKDMECLEDVFYQMIDESQS
LSLCGMVWEHRKGTDYHKQPWQAKISVIRKGHESCMGAVVSEYFVLTAAH
CFTVDDKEHSIKVSVGGEKRDLEIEVVLFHPNYNINGKKEAGIPEFYDYD
VALIKLKNKLKYGQTIRPICLPCTEGTTRALRLPPTTTCQQQKEELLPAQ
DIKALFVSEEEKKLTRKEVYIKNGDKKGSCERDAQYAPGYDKVKDISEVV
TPRFLCTGGVSPYADPNTCRGDSGGPLIVHKRSRFIQVGVISWGVVDVCV
PAHARDFHINLFQVLPWLKEKLQDEDLGFL
Ligand information
Ligand IDCO
InChIInChI=1S/Co/q+2
InChIKeyXLJKHNWPARRRJB-UHFFFAOYSA-N
SMILES
SoftwareSMILES
ACDLabs 10.04
OpenEye OEToolkits 1.5.0
[Co+2]
CACTVS 3.341[Co++]
FormulaCo
NameCOBALT (II) ION
ChEMBL
DrugBankDB14205
ZINC
PDB chain1rrk Chain A Residue 749 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]

[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
PDB1rrk Structural analysis of engineered Bb fragment of complement factor B: insights into the activation mechanism of the alternative pathway C3-convertase.
Resolution2.0 Å
Binding residue
(original residue number in PDB)
S253 S255 T328
Binding residue
(residue number reindexed from 1)
S11 S13 T86
Annotation score3
Enzymatic activity
Catalytic site (original residue number in PDB) H501 D551 G672 S674 G675
Catalytic site (residue number reindexed from 1) H250 D300 G421 S423 G424
Enzyme Commision number 3.4.21.47: alternative-complement-pathway C3/C5 convertase.
Gene Ontology
Molecular Function
GO:0004252 serine-type endopeptidase activity
Biological Process
GO:0006508 proteolysis
GO:0006956 complement activation
Cellular Component
GO:0005576 extracellular region

View graph for
Molecular Function

View graph for
Biological Process

View graph for
Cellular Component
External links
PDB RCSB:1rrk, PDBe:1rrk, PDBj:1rrk
PDBsum1rrk
PubMed15068800
UniProtP00751|CFAB_HUMAN Complement factor B (Gene Name=CFB)

[Back to BioLiP]