Structure of PDB 4a92 Chain A

Receptor sequence

>4a92A (length=639)

GSVVIVGRIILSGSGSITAYSQQTRGLLGCIITSLTGRDKNQVEGEVQVV
STATQSFLATCVNGVCWTVYHGAGSKTLAGPKGPITQMYTNVDQDLVGWQ
APPGARSLTPCTCGSSDLYLVTRHADVIPVRRRGDSRGSLLSPRPVSYLK
GSSGGPLLCPSGHAVGIFRAAVCTRGVAKAVDFVPVESMETTMRSPVFTD
NSSPPAVPQSFQVAHLHAPTGSGKSTKVPAAYAAQGYKVLVLNPSVAATL
GFGAYMSKAHGIDPNIRTGVRTITTGAPVTYSTYGKFLADGGCSGGAYDI
IICDECHSTDSTTILGIGTVLDQAETAGARLVVLATATPPGSVTVPHPNI
EEVALSNTGEIPFYGKAIPIEAIRGGRHLIFCHSKKKCDELAAKLSGLGI
NAVAYYRGLDVSVIPTIGDVVVVATDALMTGYTGDFDSVIDCNTCVTQTV
DFSLDPTFTIETTTVPQDAVSRSQRRGRTGRGRRGIYRFVTPGERPSGMF
DSSVLCECYDAGCAWYELTPAETSVRLRAYLNTPGLPVCQDHLEFWESVF
TGLTHIDAHFLSQTKQAGDNFPYLVAYQATVCARAQAPPPSWDQMWKCLI
RLKPTLHGPTPLLYRLGAVQNEVTLTHPITKYIMACMSA

3D structure

• PDB: 4a92 A Macrocyclic Hcv Ns3/4A Protease Inhibitor Interacts with Protease and Helicase Residues in the Complex with its Full- Length Target.
• Chain: A
• Resolution: 2.73 Å

Enzymatic activity

• Catalytic site (original residue number in PDB): T10 C16 H57 D81 G137 S139
• Catalytic site (residue number reindexed from 1): T24 C30 H71 D95 G151 S153
• 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	ZN	A	C97 C99 C145	C111 C113 C159
BS02	F9K	A	Q41 H57 G58 D81 R123 L135 K136 G137 S139 F154 R155 A156 A157 Q526 D527 H528	Q55 H71 G72 D95 R137 L149 K150 G151 S153 F168 R169 A170 A171 Q540 D541 H542

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:4a92, PDBe:4a92, PDBj:4a92
• PDBsum: 4a92
• PubMed: 22160684
• UniProt: P26663|POLG_HCVBK Genome polyprotein