Structure of PDB 5keg Chain A

Receptor sequence
>5kegA (length=187) Species: 9606 (Homo sapiens) [Search protein sequence]
RHLMDPHIFTSNFNNGIGRHKTYLCYEVERLDNGTSVKMDQHRGFLHNQA
KNLLCGFYGRHAALRFLDLVPSLQLDPAQIYRVTWFISWSPCFSWGCAGE
VRAFLQENTHVRLRIFAARIYDYDPLYKEALQMLRDAGAQVSIMTYDEFK
HCWDTFVDHQGAPFQPWDGLDEHSQALSGRLRAILQN
3D structure
PDB5keg Crystal structure of APOBEC3A bound to single-stranded DNA reveals structural basis for cytidine deamination and specificity.
ChainA
Resolution2.2 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 3.5.4.38: single-stranded DNA cytosine deaminase.
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 dna A R28 H29 K30 T31 N57 H70 W98 S99 Y130 D131 Y132 R19 H20 K21 T22 N48 H61 W89 S90 Y121 D122 Y123
BS02 ZN A H70 C101 C106 H61 C92 C97
Gene Ontology
Molecular Function
GO:0003723 RNA binding
GO:0003824 catalytic activity
GO:0004126 cytidine deaminase activity
GO:0005515 protein binding
GO:0016787 hydrolase activity
GO:0046872 metal ion binding
Biological Process
GO:0010526 retrotransposon silencing
GO:0016554 cytidine to uridine editing
GO:0044029 positive regulation of gene expression via chromosomal CpG island demethylation
GO:0044355 clearance of foreign intracellular DNA
GO:0045071 negative regulation of viral genome replication
GO:0045087 innate immune response
GO:0045869 negative regulation of single stranded viral RNA replication via double stranded DNA intermediate
GO:0051607 defense response to virus
GO:0070383 DNA cytosine deamination
Cellular Component
GO:0000932 P-body
GO:0005634 nucleus
GO:0005654 nucleoplasm
GO:0005737 cytoplasm

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:5keg, PDBe:5keg, PDBj:5keg
PDBsum5keg
PubMed28452355
UniProtP31941|ABC3A_HUMAN DNA dC->dU-editing enzyme APOBEC-3A (Gene Name=APOBEC3A)

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