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Pho RtcB (Pho Hyp-2) Intein
Intein Name Pho RtcB (Pho Hyp-2)
Prototype Allele Mja RtcB
Extein Name RNA terminal phosphate cyclase operon orfB
Intein Class Theoretical
Organism Name Pyrococcus horikoshii OT3
Organism Description Thermophile, taxon:53953
Domain of Life Archaea
Endonuclease Activity
Endo Motif DOD
Location in Extein N97
Insert Site Comments rtcB-a
Intein Size (aa) 390
Intein N-terminal SPGGIGYDIN/C
Intein C-terminal HN/CGVRLIRTNL
Accession No. NT01PH1611 in Tigr, PH1602
Intein aa Sequence >NT01PH1611 |PH1602| Tigr database| Pho RtcB (Pho Hyp-2) intein (including -1 and +1 extein residues)
NCLAPGTRVLTEHGYWLKIEEMPEKFKLQRLRVYNIEEGHNDFSKVVFVAEREVGSEEKA
IRIVTESGKVIEGSEDHPVLTPEGYVYLRNVKEGDYILVYPFEGVPYEEKKGVILDESAF
EGEDPQVVKFLRERNLIPLQWKDPKVGILARILGFALANGYISENDNLTFHGKEEVLREV
RKDLEELGIEAIVAEEDKLKVTSREFAFLLEKLGMAHDSIPEWIIEGPLWIKRNFLAGLF
GANGSIVEFKGDVPLPITLTHSRELLNDVSRILEGFKVRAKIKMGKNGSYQLVIEDEDSI
RNFLGRINYEYDPEKKARGLIAYAYLKFKELMKGNLMTFEEFARDRGYEGGFVAEKVIEV
KSVKPEYDKFYDIGVYHSAHNFIANGIVVHNC
Block A CLAPGTRVLTEHG 13
Block B GKVIEGSEDHPVLT 80
Block C ILGFALANG 159
Block D HDSIPEWI 223
Block E FLAGLFGANG 243
Block H THSRELLNDVSRILEGFKV 277
Block F KFYDIGV*YHSAHNFI 382
Block G NGIVVHNC 391
Initially Contributed by Fran Perler
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Independently Found By
Comments Motifs by Pietrokovski and Perler. Formally called Hyp-2 intein. In E.coli this gene is in an operon with rtcA - an RNA 3'-terminal phosphate cyclase - and rtcR the sigma-54 regulator of rtcA and rtcB (Pietrokovski, Genschik 98).
Date Submitted 07/20/1998
References Genschik 1997
Genschik 1998
Kawarabayasi 1998
Kawarabayasi 1998B
Kawarabayasi 2001

Last database update: 11/05/10

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