Structure of PDB 5sww Chain C

Receptor sequence
>5swwC (length=185) Species: 9606 (Homo sapiens) [Search protein sequence]
GPRHLMDPHIFTSNFNNGIGRHKTYLCYEVERLDNGMDQHRGFLHNQAKN
LLCGFYGRHAALRFLDLVPSLQLDPAQIYRVTWFISWSPCFSWGCAGEVR
AFLQENTHVRLRIFAARIYDYDPLYKEALQMLRDAGAQVSIMTYDEFKHC
WDTFVDHQGCPFQPWDGLDEHSQALSGRLRAILQN
3D structure
PDB5sww Structural basis for targeted DNA cytosine deamination and mutagenesis by APOBEC3A and APOBEC3B.
ChainC
Resolution3.151 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 C Y155 D180 Q184 Y144 D169 Q173
BS02 dna C G27 R28 H29 T31 N57 A59 K60 H70 W98 S99 Y130 D131 Y132 G20 R21 H22 T24 N46 A48 K49 H59 W87 S88 Y119 D120 Y121
BS03 ZN C H70 C101 C106 H59 C90 C95
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:5sww, PDBe:5sww, PDBj:5sww
PDBsum5sww
PubMed27991903
UniProtP31941|ABC3A_HUMAN DNA dC->dU-editing enzyme APOBEC-3A (Gene Name=APOBEC3A)

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