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ORC1B

Gene
ORC1B
Protein
Origin of replication complex subunit 1B
Organism
Arabidopsis thaliana
Length
813 amino acids
Function
Essential protein required for ovules fertilization (PubMed:15634699, PubMed:19171893). Component of the origin recognition complex (ORC) that binds origins of replication. It has a role in both chromosomal replication and mating type transcriptional silencing. Binds to the ARS consensus sequence (ACS) of origins of replication (By similarity). H3K4me3 effector that regulates positively the transcription of a subset of genes (PubMed:19171893).
Similarity
Belongs to the ORC1 family.
Mass
92.17 kDa
Sequence
MASTPRAKTFKSPTKTPSNIYRKSYLSPSSTSHTPQTPETHTPLRRSARHVSRKIDLGNDPIDAPGNDPIEGMNLIRKRERAPRKPTTDVVPSKSKKTETPKKKKKIDSFTPVSPIRSETIKKTKKKKRVYYNKVEFDETEFEIGDDVYVKRREDSNSDEEEDPEIEDCQICFKSDTNIMIECDDCLGGFHLKCLKPPLKEVPEGDWICQFCEVKKSGQSQTLDLPKPPEGKKLARTMREKLLSGDLWAARIDKLWKEVDDGVYWIRARWYMIPEETVSGRQPHNLKRELYLTNDFADIEMECILRHCSVKCPKEFSKASNDGDDVFLCEYEYDVHWRSFKRLAELADGDSDSDQEWNGRKEEEVDDSDEEMELDDEVLKSKRGGLTSARGGANSRKGRFFGVEKVGMKLIPEHVRCHKQSELEKAKATLLLATRPKSLPCRSKEMEEITSFIKGSISDDQCLGRCMYIHGVPGTGKTISVLSVMKNLKAEVEEGSVSPYCFVEINGLKLASPENIYSVIYEALSGHRVGWKKALQCLNERFAEGKRIGKEDEKPCILLIDELDLLVTRNQSVLYNILDWPTKPNSKLVVLGIANTMDLPEKLLPRISSRMGIQRLCFGPYNHTQLQEIISTRLNGIDAFEKTAIEFASRKVAAISGDARRALEICRRAAEVADHRLNTNKSAKNQLVIMADVEAAIQEMFQAPHIQVMKSVSKLSKIFLTAMVHELYKTGMAETTFDRVATTVSSICLTNGEAFPGWDILLKIGCDLGECRIILCEPGEKHRLQKLQLNFPSDDVAFALKDNKDLPWLANYL