Structure of PDB 7exm Chain A

Receptor sequence
>7exmA (length=278) Species: 2697049 (Severe acute respiratory syndrome coronavirus 2) [Search protein sequence]
SMAYTRYVDNNFCGPDGYPLECIKDLLARAGKASCTLSEQLDFIDTKRGV
YCCREHEHEIAWYTERSEKSYELQTPFEIKLAKKFDTFNGECPNFVFPLN
SIIKTIQPRVEKKKLDGFMGRIRSVYPVASPNECNQMCLSTLMKCDHCGE
TSWQTGDFVKATCEFCGTENLTKEGATTCGYLPQNAVVKIYCPACHNSEV
GPEHSLAEYHNESGLKTILRKGGRTIAFGGCVFSYVGCHNKCAYWVPRAS
ANIGCNHTGVVGEGSEGLNDNLLEILQK
3D structure
PDB7exm Structure and Function of N-Terminal Zinc Finger Domain of SARS-CoV-2 NSP2.
ChainA
Resolution1.96 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 2.1.1.56: mRNA (guanine-N(7))-methyltransferase.
2.1.1.57: methyltransferase cap1.
2.7.7.48: RNA-directed RNA polymerase.
2.7.7.50: mRNA guanylyltransferase.
3.1.13.-
3.4.19.12: ubiquitinyl hydrolase 1.
3.4.22.-
3.4.22.69: SARS coronavirus main proteinase.
3.6.4.12: DNA helicase.
3.6.4.13: RNA helicase.
4.6.1.-
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 C21 C52 H55 H57 C22 C53 H56 H58
BS02 ZN A C144 C147 C162 C165 C145 C148 C163 C166
BS03 ZN A C191 C194 H203 C237 C192 C195 H204 C238
External links
PDB RCSB:7exm, PDBe:7exm, PDBj:7exm
PDBsum7exm
PubMed34398430
UniProtP0DTD1|R1AB_SARS2 Replicase polyprotein 1ab (Gene Name=rep)

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