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5KEG

Crystal structure of APOBEC3A in complex with a single-stranded DNA

Functional Information from GO Data
ChainGOidnamespacecontents
A0000932cellular_componentP-body
A0002376biological_processimmune system process
A0003723molecular_functionRNA binding
A0003824molecular_functioncatalytic activity
A0004126molecular_functioncytidine deaminase activity
A0005515molecular_functionprotein binding
A0005634cellular_componentnucleus
A0005654cellular_componentnucleoplasm
A0005737cellular_componentcytoplasm
A0010526biological_processtransposable element silencing
A0016554biological_processcytidine to uridine editing
A0016787molecular_functionhydrolase activity
A0044029biological_processpositive regulation of gene expression via chromosomal CpG island demethylation
A0044355biological_processclearance of foreign intracellular DNA
A0045071biological_processnegative regulation of viral genome replication
A0045087biological_processinnate immune response
A0045869biological_processnegative regulation of single stranded viral RNA replication via double stranded DNA intermediate
A0046872molecular_functionmetal ion binding
A0051607biological_processdefense response to virus
A0070383biological_processDNA cytosine deamination
Functional Information from PDB Data
site_idAC1
Number of Residues4
Detailsbinding site for residue ZN A 201
ChainResidue
AHIS70
ACYS101
ACYS106
ACL203

site_idAC2
Number of Residues6
Detailsbinding site for residue CL A 203
ChainResidue
BDC3
AHIS70
APRO100
ACYS101
ACYS106
AZN201

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues116
DetailsDomain: {"description":"CMP/dCMP-type deaminase","evidences":[{"source":"PROSITE-ProRule","id":"PRU01083","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues1
DetailsActive site: {"description":"Proton donor","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues3
DetailsBinding site: {"evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

238582

PDB entries from 2025-07-09

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