Function
Synthesizes short RNA primers for DNA replication. The primase synthesizes short RNA primers on the lagging strand that the polymerase elongates using dNTPs while the host RNA polymerase synthesizes the leading strand. Recognizes two trinucleotide sequences in-vitro 5'-GTT-3' and 5'-GCT-3' but uses only the first in-vivo as the priming site.
Sequence
MSSIPWIDNEFAYRALAHLPKFTQVNNSSTFKLRFRCPVCGDSKTDQNKARGWYYGDNNEGNIHCYNCNYHAPIGIYLKEFEPDLYREYIFEIRKEKGKSRPIEKPKELPKQPEKKIIKSLPSCVRLDKLAEDHPIIKYVKARCIPKDKWKYLWFTTEWPKLVNSIAPGTYKKEISEPRLVIPIYNANGKAESFQGRALKKDAPQKYITIEAYPEATKIYGVERVKDGDVYVLEGPIDSLFIENGIAITGGQLDLEVVPFKDRRVWVLDNEPRHPDTIKRMTKLVDAGERVMFWDKSPWKSKDVNDMIRKEGATPEQIMEYMKNNIAQGLMAKMRLSKYAKI