Structure of PDB 6xib Chain B

Receptor sequence
>6xibB (length=287) Species: 9606 (Homo sapiens) [Search protein sequence]
SIPWNLERITPPQPPDGGSLVEVYLLDTSIQSDHREIEGRVMVTDFENVP
EEDGTRFHRQASKCDSHGTHLAGVVSGRDAGVAKGASMRSLRVLNCQGKG
TVSGTLIGLEFIRKSQLVQPVGPLVVLLPLAGGYSRVLNAACQRLARAGV
VLVTAAGNFRDDACLYSPASAPEVITVGATNAQDQPVTLGTLGTNFGRCV
DLFAPGEDIIGASSDCSTCFVSQSGTSQAAAHVAGIAAMMLSAEPELTLA
ELRQRLIHFSAKDVINEAWFPEDQRVLTPNLVAALPP
3D structure
PDB6xib Series of Novel and Highly Potent Cyclic Peptide PCSK9 Inhibitors Derived from an mRNA Display Screen and Optimized via Structure-Based Design.
ChainB
Resolution1.546 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) D186 H226 N317 S386
Catalytic site (residue number reindexed from 1) D27 H67 N158 S227
Enzyme Commision number 3.4.21.-
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 peptide B S153 P155 W156 D238 I369 D374 T377 C378 F379 V380 S381 S1 P3 W4 D79 I210 D215 T218 C219 F220 V221 S222
Gene Ontology
Molecular Function
GO:0004252 serine-type endopeptidase activity
GO:0008236 serine-type peptidase activity
Biological Process
GO:0006508 proteolysis

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Molecular Function
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Biological Process
External links
PDB RCSB:6xib, PDBe:6xib, PDBj:6xib
PDBsum6xib
PubMed33170686
UniProtQ8NBP7|PCSK9_HUMAN Proprotein convertase subtilisin/kexin type 9 (Gene Name=PCSK9)

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