Structure of PDB 7z43 Chain AAA Binding Site BS01

Receptor Information

>7z43 Chain AAA (length=717) Species: 11520 (Influenza B virus)

SMDTFITRNFQTTIIQKAKNTMAEFSEDPELQPAMLFNICVHLEVCYVIS
DMNFLDEEGKAYTAQNLRPQYEVIEGMPRTIAWMVQRSLAQEHGIETPKY
LADLFDYKTKRFIEVGITKGLADDYFWKKKEKLGNSMELMIFSYNQDYSL
SNESSLDEEGKGRVLSRLTELQAELSLKNLWQVLIGEEDVEKGIDFKLGQ
TISRLRDISVPAGFSNFEGMRSYIDNIDPKGAIERNLARMSPLVSVTPKK
LTWEDLRPIGPHIYNHELPEVPYNAFLLMSDELGLANMTEGKSKKPKTLA
KECLEKYSTLRDQTDPILIMKSEKANENFLWKLWRDCVNTISNEEMSNEL
QKTNYAKWATGDGLTYQKIMKEVAIDDETMCQEEPKIPNKCRVAAWVQTE
MNLLSTLTSKRALDLPEIGPDVAPVEHVGSERRKYFVNEINYCKASTVMM
KYVLFHTSLLNESNASMGKYKVIPITNRVVNEKGESFDMLYGLAVKGQSH
LRGDTDVVTVVTFEFSSTDPRVDSGKWPKYTVFRIGSLFVSGREKSVYLY
CRVNGTNKIQMKWGMEARRCLLQSMQQMEAIVEQESSIQGYDMTKACFKG
DRVNSPKTFSIGTQEGKLVKGSFGKALRVIFTKCLMHYVFGNAQLEGFSA
ESRRLLLLIQALKDRKGPWVFDLEGMYSGIEECISNNPWVIQSAYWFNEW
LGFEKEGSKVLESVDEI

Ligand information

>7z43 Chain RRR (length=18)

uauaccucugcuucugcu

..................

Receptor-Ligand Complex Structure

Structure summary

• PDB: 7z43 Type B and type A influenza polymerases have evolved distinct binding interfaces to recruit the RNA polymerase II CTD.
• Resolution: 3.123 Å
• Binding residue (original residue number in PDB): M473 H506 R508 K564
• Binding residue (residue number reindexed from 1): M467 H500 R502 K558

Enzymatic activity

• Enzyme Commision number: 3.1.-.-

Gene Ontology

Molecular Function

• GO:0003723 RNA binding
• GO:0004519 endonuclease activity
• GO:0046872 metal ion binding

Biological Process

• GO:0006351 DNA-templated transcription
• GO:0039523 symbiont-mediated suppression of host mRNA transcription via inhibition of RNA polymerase II activity
• GO:0039694 viral RNA genome replication
• GO:0075526 cap snatching

Cellular Component

• GO:0030430 host cell cytoplasm
• GO:0042025 host cell nucleus

External links

• PDB: RCSB:7z43, PDBe:7z43, PDBj:7z43
• PDBsum: 7z43
• PubMed: 35605026
• UniProt: Q5V8Z9