heterogeneous nuclear ribonucleoprotein A/B; hnRNP A/B; APOBEC-1-binding protein 1; apolipoprotein B mRNA-editing enzyme catalytic polypeptide 1-binding protein 1; ABBP-1 (HNRNPAB, HNRPAB, ABBP1)

Function

• binds single-stranded RNA
• high affinity for G-rich & U-rich regions of hnRNA
• also binds to apoB mRNA transcripts around RNA editing site
• interacts with APOBEC1
• Arg-321 is dimethylated

Compartment

nucleus

Alternative splicing

named isoforms=4

Expression

ubiquitous

More general terms

• heterogeneous nuclear ribonucleoprotein (hnRNP)

Database

• OMIM: https://mirror.omim.org/entry/602688
• UniProt: http://www.uniprot.org/uniprot/Q99729.html