Structure of PDB 4k4y Chain M

Receptor sequence

>4k4yM (length=463) Species: 12072 (Coxsackievirus B3)

GEIEFIESSKDAGFPVINTPSKTKLEPSVFHQVFEGNKEPAVLRSGDPRL
KANFEEAIFSKYIGNVNTHVDEYMLEAVDHYAGQLATLDISTEPMKLEDA
VYGTEGLEALDLTTSAGYPYVALGIKKRDILSKKTKDLTKLKECMDKYGL
NLPMVTYVKDELRSIEKVAKGKSRLIEASSLNDSVAMRQTFGNLYKTFHL
NPGVVTGSAVGCDPDLFWSKIPVMLDGHLIAFDYSGYDASLSPVWFACLK
MILEKLGYTHKETNYIDYLCNSHHLYRDKHYFVRGGMPSGCSGTSIFNSM
INNIIIRTLMLKVYKGIDLDQFRMIAYGDDVIASYPWPIDASLLAEAGKG
YGLIMTPADKGECFNEVTWTNVTFLKRYFRADEQYPFLVHPVMPMKDIHE
SIRWTKDPKNTQDHVRSLCLLAWHNGEHEYEEFIRKIRSVPVGRCLTLPA
FSTLRRKWLDSFG

3D structure

• PDB: 4k4y Structures of coxsackievirus, rhinovirus, and poliovirus polymerase elongation complexes solved by engineering RNA mediated crystal contacts.
• Chain: M
• Resolution: 2.72 Å

Enzymatic activity

• Enzyme Commision number: 2.7.7.48: RNA-directed RNA polymerase.
  3.4.22.28: picornain 3C.
  3.4.22.29: picornain 2A.
  3.6.1.15: nucleoside-triphosphate phosphatase.

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	M	N18 P20 K22 K24 L43 E108 T114 S115 Y157 I176 A178 R188 H199 G211 C212 D213 G290 C291 S292 T294 Y327 R416 L420	N18 P20 K22 K24 L43 E108 T114 S115 Y157 I176 A178 R188 H199 G211 C212 D213 G290 C291 S292 T294 Y327 R416 L420
BS02	rna	M	T113 R128 K133 K134 Y327 L375 K376 S401 N410 H414 S417	T113 R128 K133 K134 Y327 L375 K376 S401 N410 H414 S417
BS03	DCT	M	R163 K167 R174 G236 D329	R163 K167 R174 G236 D329

Gene Ontology

Molecular Function

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

Biological Process

• GO:0006351 DNA-templated transcription
• GO:0039694 viral RNA genome replication

External links

• PDB: RCSB:4k4y, PDBe:4k4y, PDBj:4k4y
• PDBsum: 4k4y
• PubMed: 23667424
• UniProt: Q5UEA2