Structure of PDB 4wtk Chain A

Receptor sequence

>4wtkA (length=553) Species: 356411 (Hepatitis C virus JFH-1)

SSMSYSWTGALITPCGPEEEKLPINPLSNSLLRYHNKVYCTTSKSASQRA
KKVTFDRTQVLDAHYDSVLKDIKLAASKVSARLLTLQQACQLTPPHSARS
KYGFGAKEVRSLSGRAVNHIKSVWKDLLEDPQTPIPTTIMAKNEVFCVDP
AKGGKKPARLIVYPDLGVRVCEKMALYDITQKLPQAVMGASYGFQYSPAQ
RVEYLLKAWAEKKDPMGFSYDTRHFDSTVTERDIRTEESIYQACSLPEEA
RTAIHSLTERLYVGGPMFNSKGQTCGYRRCRASGVLTTSMGNTITCYVKA
LAACKAAGIVAPTMLVCGDDLIVISESQGTEEDERNLRAFTEAMTRYSAP
PGDPPRPEYDLELITSCSSNVSVALGPRGRRRYYLTRDPTTPLARAAWET
VRHSPINSWLGNIIQYAPTIWVRMVLMTHFFSILMVQDTLDQNLNFEMYG
SVYSVNPLDLPAIIERLHGLDAFSMHTYSHHELTRVASALRKLGAPPLRV
WKSRARAVRASLISRGGKAAVCGRYLFNWAVKTKLKLTPLPEARLLDLSS
WFT

3D structure

• PDB: 4wtk Structural basis for RNA replication by the hepatitis C virus polymerase.
• Chain: A
• Resolution: 2.5 Å

Enzymatic activity

• 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	rna	A	S96 A97 K141 I160 Y162 R168 K172 G283 L285 S288 G449	S97 A98 K142 I161 Y163 R169 K173 G284 L286 S289 G450
BS02	rna	A	D318 D319 C366 S367	D319 D320 C367 S368
BS03	MN	A	D220 D318 D319	D221 D319 D320
BS04	MN	A	D220 T221 D318	D221 T222 D319
BS05	MN	A	E237 H254	E238 H255
BS06	CDP	A	R158 D220 H223 F224 D225 S282 N291 D318	R159 D221 H224 F225 D226 S283 N292 D319

Gene Ontology

Molecular Function

• GO:0003723 RNA binding
• GO:0003968 RNA-dependent RNA polymerase activity

Biological Process

• GO:0039694 viral RNA genome replication

External links

• PDB: RCSB:4wtk, PDBe:4wtk, PDBj:4wtk
• PDBsum: 4wtk
• PubMed: 25678663
• UniProt: Q99IB8|POLG_HCVJF Genome polyprotein