Structure of PDB 7cxn Chain A

Receptor sequence
>7cxnA (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
SVMLTNNNTSRYWEPEFYEAMYTPHT
3D structure
PDB7cxn Architecture of a SARS-CoV-2 mini replication and transcription complex.
ChainA
Resolution3.84 Å
3D
structure
[Spin on]
[Spin off]
[Reset orientation]

[High quality]
[Low quality]

[White background]
[Black background]

[Download]
[Download structure with residue number starting from 1]
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 C813 R836 R858 S756 C810 R833 R855
BS02 rna A K500 S501 N543 R569 K577 G590 S592 F594 D684 A685 R914 Y915 K497 S498 N540 R566 K574 G587 S589 F591 D681 A682 R911 Y912
BS03 ZN A H295 C301 C306 H292 C298 C303
BS04 ZN A C487 H642 C645 C484 H639 C642
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

View graph for
Molecular Function
View graph for
Biological Process
External links
PDB RCSB:7cxn, PDBe:7cxn, PDBj:7cxn
PDBsum7cxn
PubMed33208736
UniProtP0DTD1|R1AB_SARS2 Replicase polyprotein 1ab (Gene Name=rep)

[Back to BioLiP]