Structure of PDB 7egq Chain A

Receptor sequence
>7egqA (length=926) Species: 2697049 (Severe acute respiratory syndrome coronavirus 2) [Search protein sequence]
AQSFLNRVCGVSAARLTPCGTGTSTDVVYRAFDIYNDKVAGFAKFLKTNC
CRFQEKDEDDNLIDSYFVVKRHTFSNYQHEETIYNLLKDCPAVAKHDFFK
FRIDGDMVPHISRQRLTKYTMADLVYALRHFDEGNCDTLKEILVTYNCCD
DDYFNKKDWYDFVENPDILRVYANLGERVRQALLKTVQFCDAMRNAGIVG
VLTLDNQDLNGNWYDFGDFIQTTPGSGVPVVDSYYSLLMPILTLTRALTA
ESHVDTDLTKPYIKWDLLKYDFTEERLKLFDRYFKYWDQTYHPNCVNCLD
DRCILHCANFNVLFSTVFPPTSFGPLVRKIFVDGVPFVVSTGYHFRELGV
VHNQDVNLHSSRLSFKELLVYAADPAMHAASGNLLLDKRTTCFSVAALTN
NVAFQTVKPGNFNKDFYDFAVSKGFFKEGSSVELKHFFFAQDGNAAISDY
DYYRYNLPTMCDIRQLLFVVEVVDKYFDCYDGGCINANQVIVNNLDKSAG
FPFNKWGKARLYYDSMSYEDQDALFAYTKRNVIPTITQMNLKYAISAKNR
ARTVAGVSICSTMTNRQFHQKLLKSIAATRGATVVIGTSKFYGGWHNMLK
TVYSDVENPHLMGWDYPKCDRAMPNMLRIMASLVLARKHTTCCSLSHRFY
RLANECAQVLSEMVMCGGSLYVKPGGTSSGDATTAYANSVFNICQAVTAN
VNALLSTDGNKIADKYVRNLQHRLYECLYRNRDVDTDFVNEFYAYLRKHF
SMMILSDDAVVCFNSTYASQGLVASIKNFKSVLYYQNNVFMSEAKCWTET
DLTKGPHEFCSQHTMLVKQGDDYVYLPYPDPSRILGAGCFVDDIVKTDGT
LMIERFVSLAIDAYPLTKHPNQEYADVFHLYLQYIRKLHDELTGHMLDMY
SVMLTNDNTSRYWEPEFYEAMYTPHT
3D structure
PDB7egq Coupling of N7-methyltransferase and 3'-5' exoribonuclease with SARS-CoV-2 polymerase reveals mechanisms for capping and proofreading.
ChainA
Resolution3.35 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 rna A S759 D760 R836 S756 D757 R833
BS02 rna A K500 S501 N543 V557 A558 G590 S592 F594 S682 G683 D684 A685 Y689 K497 S498 N540 V554 A555 G587 S589 F591 S679 G680 D681 A682 Y686
BS03 ZN A H295 C306 H292 C303
BS04 ZN A H642 C645 C646 H639 C642 C643
Gene Ontology
Molecular Function
GO:0003723 RNA binding
GO:0003968 RNA-dependent RNA polymerase activity
GO:0005524 ATP binding
Biological Process
GO:0006351 DNA-templated transcription
GO:0039694 viral RNA genome replication

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Molecular Function
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Biological Process
External links
PDB RCSB:7egq, PDBe:7egq, PDBj:7egq
PDBsum7egq
PubMed34143953
UniProtP0DTD1|R1AB_SARS2 Replicase polyprotein 1ab (Gene Name=rep)

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