Protein
Multisite-specific tRNA:(cytosine-C(5))-methyltransferase trm4a
Organism
Schizosaccharomyces pombe (strain 972 / ATCC 24843)
Function
Functions redundantly with trm4b to methylate cytosine to m5C at several positions (48, 49, 60, 61 and 62) in tRNA(Asp).
Similarity
Belongs to the class I-like SAM-binding methyltransferase superfamily. RsmB/NOP family. TRM4 subfamily.
Sequence
MGRKHYSSKKNRSKKGEFVNWDLIERKNENFEKYYRLQKLVTEDDFILLKQKLTEQLPTTFRITASIPHATQVRDYFIEHYYPLIENARTEDAKIPLPVSLPWYPDGMAFMLDISKEVIRKSPHLKALQEFLVLETEAGDINRQESVSMVPPLLLNVESHHKVLDMCAAPGSKTAQLLEALHKPTKKEDITTLLPSGIVIANDSDNKRAHMLVHQIKRLNSPNVLIVNHDASFLPNFHLSSPDGKKFLKFDRILADVPCSGDGTFRKNIALWNEWSLKTALGLHATQIKILMRGLQLLEKGGRLVYSTCSLNPIENEAVVSAVLNATRGSVRLVDVSSELPQLKRSQGVDNWVVCDSDLNIYPSFDTLPKELYEKMPPTLWPLPKKELAELNIQNCLRIYPHFQNTGGFFVAVLEKYENLTSSMKTAVDDNKVFLREQKLPSEQASKKRKQDTQETSSDSKLAEVKPKGKNGGNRFHELDPFVYIKEDDQALEKIYKKFGIDEAIIKKNQFFVRNVNGVPTKAIYISNDLFRNVIENNRNRVKFVHGGLKIFVRQDFGSLSREIAEKNGTCVFRVQSDGANLASHFIAESCLFHTTLSDLFILLDHEAVTIDDFPEDSLFRKEYNHLDLGSTLLHVDLAKEESVIKKQVYIPLWKSVRICNVLLSNSEKRTLKLQIEGPQSSIHKHNT