| 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 | 
| Contributor's Address | 
 | 
| Contributor's Phone No. | 
 | 
| Contributor's FAX No. | 
 | 
| Contributor's Email address | 
 | 
| 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 |