cofactor:Zinc.,function:Poorly expressed deaminase that is ineffective at inhibiting retroviral replication. Has DNA deaminase (cytidine deaminase) activity but is not able to mediate G-to-A hypermutation in newly synthesized retroviral DNA.,miscellaneous:APOBEC3H from old world monkeys has retained its antiviral activity, while it is lost in other primates.,miscellaneous:It is one of seven related genes or pseudogenes found in a cluster, thought to result from gene duplication, on chromosome 22.,similarity:Belongs to the cytidine and deoxycytidylate deaminase family.,tissue specificity:Present at low level in 293T cells. Unstable protein, suggesting that it may be degraded by the proteasome (at protein level). Weakly expressed. Expressed in testis, ovary, fetal liver and skin.,
Nucleus. Cytoplasm. Cytoplasm, P-body. Haplotype 1 is distributed in both the nucleus and cytoplasm, whereas haplotype 2 is predominantly cytoplasmic.
Expressed in lymphoid organs. Also detected in non-lymphoid tissues including lung, testis, ovary, fetal liver and skin.
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