>cd03115 SRP The signal recognition particle (SRP) mediates the transport to or across the plasma membrane in bacteria and the endoplasmic reticulum in eukaryotes. SRP recognizes N-terminal sighnal sequences of newly synthesized polypeptides at the ribosome. The SRP-polypeptide complex is then targeted to the membrane by an interaction between SRP and its cognated receptor (SR). In mammals, SRP consists of six protein subunits and a 7SL RNA. One of these subunits is a 54 kd protein (SRP54), which is a GTP-binding protein that interacts with the signal sequence when it emerges from the ribosome. SRP54 is a multidomain protein that consists of an N-terminal domain, followed by a central G (GTPase) domain and a C-terminal M domain.

Probab=98.06 E-value=3.6e-05 Score=51.14 Aligned_cols=120 Identities=20% Similarity=0.285 Sum_probs=68.2 Q ss_pred EEEEECCCCCHHHHHHHHHHHHHHHHHCCCC--CCCC---HHHHH------CCCEEEEEEEE-------------EECCC Q ss_conf 9999046898878999999876444200131--2686---86986------29206378999-------------82199 Q gi|254780263|r 15 LSTIGHVDHGKTTLTAAITKYYSEEKKEYGD--IDSA---PEEKL------RGITIATAHVS-------------YETDK 70 (392) Q Consensus 15 i~~iGhvd~GKSTL~~~L~~~~~~~~~~~~~--~D~~---~~E~~------rGiTi~~~~~~-------------~~~~~ 70 (392) T Consensus 3 i~lvGptGvGKTTTiaKLA~~~~~~~~kV~lit~Dt~R~gA~eQL~~~a~~l~v~~~~~~~~~~~~~~~~~~~~~~~~~~ 82 (173) T cd03115 3 ILLVGLQGVGKTTTAAKLALYLKKKGKKVLLVAADTYRPAAIEQLRVLGEQVGVPVFEEGEGKDPVSIAKRAIEHAREEN 82 (173) T ss_pred EEEECCCCCCHHHHHHHHHHHHHHCCCEEEEEECCCCCHHHHHHHHHHHHHCCCEEEECCCCCCHHHHHHHHHHHHHHCC T ss_conf 99989999988999999999999769928999748875779999999999749859922775587999999999987568 Q ss_pred EEEEEEECCC--CHHH--HHHHH--HHHHCCCCEEEEECCCCCCCCCHHHHHHH-HHHCCCCCEEEEECCCCCCC Q ss_conf 0899984787--3024--67798--77400233145201234433210677888-86318760233100233356 Q gi|254780263|r 71 RFYSHIDCPG--HADY--VKNMI--TGATQADGAILVCAAEDGPKPQTREHILL-ARQIGISSIVVYMNKVDAVD 138 (392) Q Consensus 71 ~~i~iiD~PG--H~~f--~~~mi--~g~~~~D~ailvVda~~G~~~QT~eh~~l-~~~lgi~~iIv~iNKmD~v~ 138 (392) T Consensus 83 ~D~IlIDTaGr~~~d~~~~~el~~l~~~~~p~~~~LVl~a~~~~~--~~~~~~~f~~~~~~~~~I--~TKlDet~ 153 (173) T cd03115 83 FDVVIVDTAGRLQIDENLMEELKKIKRVVKPDEVLLVVDAMTGQD--AVNQAKAFNEALGITGVI--LTKLDGDA 153 (173) T ss_pred CCEEEEECCCCCCCCHHHHHHHHHHHHHHCCCCCEEECCCCCHHH--HHHHHHHHHHCCCCCEEE--EEEECCCC T ss_conf 998999788878799999999999986448972157424655065--899999987427997899--97143899

HHsearch alignment for GI: 254780263 and conserved domain: cd03115