Structure of PDB 5fps Chain B

Receptor sequence

>5fpsB (length=642) Species: 11105 (Hepatitis C virus (isolate BK))

GSVVIVGRIILSSITAYSQQTRGLLGCIITSLTGRDKNQVEGEVQVVSTA
TQSFLATCVNGVCWTVYHGAGSKTLAGPKGPITQMYTNVDQDLVGWQAPP
GARSLTPCTCGSSDLYLVTRHADVIPVRRRGDSRGSLLSPRPVSYLKGSS
GGPLLCPSGHAVGIFRAAVCTRGVAKAVDFVPVESMETTMRSPVFTDNSS
PPAVPQSFQVAHLHAPTGSGKSTKVPAAYAAQGYKVLVLNPSVAATLGFG
AYMSKAHGIDPNIRTGVRTITTGAPVTYSTYGKFLADGGCSGGAYDIIIC
DECHSTDSTTILGIGTVLDQAETAGARLVVLATATPPGSVTVPHPNIEEV
ALSNTGEIPFYGKAIPIEAIRGGRHLIFCHSKKKCDELAAKLSGLGINAV
AYYRGLDVSVIPTIGDVVVVATDALMTGYTGDFDSVIDCNTCVTQTVDFS
LDPTFTIETTTVPQDAVSRSQRRGRTGRGRRGIYRFVTPGERPSGMFDSS
VLCECYDAGCAWYELTPAETSVRLRAYLNTPGLPVCQDHLEFWESVFTGL
THIDAHFLSQTKQAGDNFPYLVAYQATVCARAQAPPPSWDQMWKCLIRLK
PTLHGPTPLLYRLGAVQNEVTLTHPITKYIMACMSADLEVVT

3D structure

• PDB: 5fps Detection of Secondary Binding Sites in Proteins Using Fragment Screening.
• Chain: B
• Resolution: 2.68 Å

Enzymatic activity

• Catalytic site (original residue number in PDB): T10 C16 H57 D81 G137 S139
• Catalytic site (residue number reindexed from 1): T21 C27 H68 D92 G148 S150
• Enzyme Commision number: 2.7.7.48: RNA-directed RNA polymerase.
  3.4.21.98: hepacivirin.
  3.4.22.-
  3.6.1.15: nucleoside-triphosphate phosphatase.
  3.6.4.13: RNA helicase.

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	UP8	B	G207 G209 S211 T212	G218 G220 S222 T223

Gene Ontology

Molecular Function

• GO:0004386 helicase activity
• GO:0005524 ATP binding
• GO:0008236 serine-type peptidase activity

Biological Process

• GO:0006508 proteolysis
• GO:0019087 transformation of host cell by virus

External links

• PDB: RCSB:5fps, PDBe:5fps, PDBj:5fps
• PDBsum: 5fps
• PubMed: 26655740
• UniProt: P26663|POLG_HCVBK Genome polyprotein