This domain contains conserved cysteine and histidine residues . It resembles zinc fingers, and binds to zinc . This domain functions as an RNA-binding domain .
This entry represents the APO domain which is found in plant APO (Accumulation of photosystem) proteins. The domain contains conserved cysteine and histidine residues [PUBMED:15494558]. It functions as an RNA-binding domain [PUBMED:21421812].
Amann K, Lezhneva L, Wanner G, Herrmann RG, Meurer J;, Plant Cell. 2004;16:3084-3097.: ACCUMULATION OF PHOTOSYSTEM ONE1, a member of a novel gene family, is required for accumulation of [4Fe-4S] cluster-containing chloroplast complexes and antenna proteins. PUBMED:15494558 EPMC:15494558 .
Watkins KP, Rojas M, Friso G, van Wijk KJ, Meurer J, Barkan A;, Plant Cell. 2011;0:0-0.: APO1 Promotes the Splicing of Chloroplast Group II Introns and Harbors a Plant-Specific Zinc-Dependent RNA Binding Domain. PUBMED:21421812 EPMC:21421812.