Protein
Mediator of RNA polymerase II transcription subunit 34
Organism
Arabidopsis thaliana
Function
3'-5' DNA helicase that may play a role in the repair of DNA. Exhibits a magnesium-dependent ATP or dATP-dependent DNA-helicase activity. Can use GTP/dGTP, CTP/dCTP or UTP/dUTP as nucleotide cofactors. Catalyzes Holliday junction branch migration and replication fork regression. Disrupts D-loop structures.
Similarity
Belongs to the helicase family. RecQ subfamily.
Sequence
MESEAIQEDLQNLDVELKDVQGQISALIEHQDRLYERKSELKTLLKALAASGSPVASSGGSSAIENWSETFEWDSRADDVRFNVFGISKYRANQKEIINAIMTGRDVLVIMAAGGGKSLCYQLPAMLRGGTTLVVSPLLSLIQDQVMGLAALGISAYMLTSTSGKENEKFVYKALEKGEDDLKILYVTPEKVSKSKRFMSKLEKCHNAGRLSLISIDEAHCCSQWGHDFRPDYKNLSILKTQFPKVPMVALTATATQKVQNDLIEMLHIPKCVKFVSSVNRPNLFYSVREKSAVGKLVVDEIAEFIRESYSNNESGIVYCFSRKECEQIAGDLRERGISADYYHADMDANMREKVHMRWSKNKLQVIVGTVAFGMGINKPDVRFVIHHSLSKSMETYYQESGRAGRDGLPSECILFFRSADVPRQSSMVFYEYSGLQNLYDIVRYCQSKTKCRRSAFFRHFGEPSQDCNGMCDNCALSSEVKEVDVSDLSKLVVSMVQETQAKDQRVTMLQLGDKLRNKHKDLIAELKRDEVEHLVIKLIVDSVLKEEFQHTPYSTNAYVTMGPLANQLLQGRKTIKMETSSRQTKKLKRSITFSGLELKLDELRKEISAADGSILPHTVLSTQQIGSISSQKPVSLQELESIIGKLKTEKYGDRILEEVMRHEAVSEQLVEDPTKEETCKSRLRKRAKTQKDVVLVESSGEEEA