>TIGR00959 ffh signal recognition particle protein; InterPro: IPR004780 The signal recognition particle (SRP) is a multimeric protein, which along with its conjugate receptor (SR), is involved in targeting secretory proteins to the rough endoplasmic reticulum (RER) membrane in eukaryotes, or to the plasma membrane in prokaryotes , . SRP recognises the signal sequence of the nascent polypeptide on the ribosome, retards its elongation, and docks the SRP-ribosome-polypeptide complex to the RER membrane via the SR receptor. SRP consists of six polypeptides (SRP9, SRP14, SRP19, SRP54, SRP68 and SRP72) and a single 300 nucleotide 7S RNA molecule. The RNA component catalyses the interaction of SRP with its SR receptor . In higher eukaryotes, the SRP complex consists of the Alu domain and the S domain linked by the SRP RNA. The Alu domain consists of a heterodimer of SRP9 and SRP14 bound to the 5' and 3' terminal sequences of SRP RNA. This domain is necessary for retarding the elongation of the nascent polypeptide chain, which gives SRP time to dock the ribosome-polypeptide complex to the RER membrane. This entry represents various SRP subunits.; GO: 0008312 7S RNA binding, 0006614 SRP-dependent cotranslational protein targeting to membrane, 0048500 signal recognition particle.

Probab=100.00 E-value=0 Score=1281.49 Aligned_cols=428 Identities=54% Similarity=0.851 Sum_probs=422.4 Q ss_pred CCHHHHHHHHHHHHHCCCCCCCHHHHHHHHHHHHHHHHHCCCCHHHHHHHHHHHHHHHHCCCCCCCCCHHHHHHHHHHHH Q ss_conf 40377999999987428887898999999999999998524696999999999999983031112699899999999999 Q gi|254780711|r 2 FDNLQERLGSIFQNITGKGSLSETDISNTLREIRRTFLEADVSLEVVQSFSKRVQEKAKGEKILRSIQPGQMVIKIVHDE 81 (461) Q Consensus 2 f~~L~~~l~~~~~~l~~~~~l~e~~i~~~l~ei~~aLLeaDV~~~vv~~~~~~Ik~k~~~~~~~~~~~~~~~i~kiv~~e 81 (461) T Consensus 1 fe~Ls~~l~~~~~~L~~~~~itE~~i~~al~EiR~ALLeADVnl~VvK~Fi~~V~ekA~G~eV~~~~~P~Qq~iKIV~eE 80 (439) T TIGR00959 1 FESLSERLQRIFKKLSGKGTITEKNIKEALREIRLALLEADVNLQVVKDFIKKVKEKALGQEVLKSLSPGQQFIKIVHEE 80 (439) T ss_pred CHHHHHHHHHHHHHHCCCCCCCHHHHHHHHHHHHHHHHHHCCCHHHHHHHHHHHHHHHHHHHHHCCCCCCHHEEHHHHHH T ss_conf 90157899999985117777588999999999999887731576899999998888752254412678020120224689 Q ss_pred HHHHHCCC---CCCCCCCCCCCEEEEEECCCCCCHHHHHHHHHHH-HHHHCCCCEEEECCCCCCCHHHHHHHHHHHCCCC Q ss_conf 99871877---4210002588418996234433346889999999-9861489507820542210047799998510347 Q gi|254780711|r 82 LVEVLGKE---SIELDLNAPSPLVIMLVGLQGSGKTTTTAKIAYH-LKTLKKKKILMASLDVHRPAAQEQLRYLGEQIQV 157 (461) Q Consensus 82 L~~lLg~~---~~~l~~~~~~p~vIllvGl~GsGKTTT~aKLA~~-~~~~~~~kV~lv~~Dt~R~aA~eQL~~~a~~~~v 157 (461) T Consensus 81 L~~~LG~~~~E~~~L~~~~~~P~vilmvGLQGsGKTTt~gKLA~~ll~kk~~~kvLLva~D~yRPAA~~QL~~Lg~Q~gV 160 (439) T TIGR00959 81 LVAILGGKGRESAELKLAEKRPTVILMVGLQGSGKTTTAGKLALYLLKKKEGKKVLLVACDLYRPAAIEQLKVLGEQVGV 160 (439) T ss_pred HHHHCCCCCCCCCCCCCCCCCCEEEEEECCCCCCHHHHHHHHHHHHHHHHCCCCEEEEEHHCCCHHHHHHHHHHHHHCCC T ss_conf 99851666732567555678683899731378857889999999999986389703403210347899999997675288 Q ss_pred CCCC-CCCCCH---HHHHHHHHHHHHHHCCCCEEEEECCCCCCCHHHHHHHHHHHHHHCCCCCCCCCCCHHCCHHHHHHH Q ss_conf 4222-332103---689999999999741588699833442221124689999998513851100031011122568888 Q gi|254780711|r 158 DTLE-VIPEQS---PEKIAIRATQSARDGGYDAVILDTAGRNHINDSLMQEISEIKSLTNPHEILLVADALTGQDAVHLA 233 (461) Q Consensus 158 ~~~~-~~~~~d---p~~i~~~a~~~a~~~~~D~iiiDTaGR~~~d~~lm~El~~i~~~~~p~e~~lV~da~~Gq~a~~~a 233 (461) T Consensus 161 pvf~h~~~~~~p~~Pv~ia~~Al~~Ak~~~~D~vI~DTAGRL~ID~~LM~EL~~iK~~~nP~EiLlVvDaM~GQdAvn~A 240 (439) T TIGR00959 161 PVFAHLGKGQSPDDPVEIARQALEEAKENGFDVVIVDTAGRLQIDEELMEELAEIKEILNPDEILLVVDAMTGQDAVNTA 240 (439) T ss_pred CCCCCCCCCCCCCCHHHHHHHHHHHHHHCCCCEEEEECCCCHHHHHHHHHHHHHHHHHHCCCEEEECCHHCCHHHHHHHH T ss_conf 71100478889887789999999999974897899726751255599999999998886887054122010216999999 Q ss_pred HHHHHHCCCCCEEEEECCCCCCCCHHHHHHHHHCCCHHHEECCCCCCCCCCCCHHHHHHHHHCCCCHHHHHHHHHHHHHH Q ss_conf 98876358440776411576633036777888478730261586723210013688998773586278899987421126 Q gi|254780711|r 234 RNFDKIVDLTGIILTRMDGDGRGGAALSMRTVTGKPIKAIGTGEKINDLENFFPDRIANRILGMGDVVSLVEKAARNLNE 313 (461) Q Consensus 234 ~~F~~~~~i~giIlTKlD~~akgG~als~~~~~~~PI~fig~GE~~~dle~F~p~~~~~riLGmgD~~~l~e~~~~~~d~ 313 (461) T Consensus 241 ~~F~e~lgltG~vltK~DGDaRGGAALS~~~~tg~PIKFiG~GEK~~dLe~FhP~R~A~RILGMGDv~SLvEKA~~~~D~ 320 (439) T TIGR00959 241 KTFNERLGLTGVVLTKLDGDARGGAALSVRSVTGKPIKFIGVGEKIEDLEPFHPDRMASRILGMGDVLSLVEKAQEVVDE 320 (439) T ss_pred HHHCCCCCCCEEEEECCCCCCHHHHHHHHHHHHCCCEEEEECCCCCCCCCCCCHHHHHHHHCCCCCHHHHHHHHHHHCCH T ss_conf 86366001354788547566057899999999689618884177723312467478986323655223699999985188 Q ss_pred HHHHHHHHHHHCCCCCHHHHHHHHHHHHCCCCHHHHHHHHHCCCCCHHHHHHCCC-CHHHHHHHHHHHHCCCHHHHCCCC Q ss_conf 7899888653104637999999999985114889999987313442343231116-788888999997458987860841 Q gi|254780711|r 314 KQAALTAKKIAKGKFDLEDLAEQFRQTQKIGGIGSILRMLPGMPSLKQNIMPSSF-DDKTINHHIAIIASMTKEERANPS 392 (461) Q Consensus 314 ~~~~~l~~k~~~g~F~l~Df~~Ql~~i~kmG~l~~il~miPG~~~~~~~~~~~~~-~e~~lk~~~aII~SMT~~Er~~P~ 392 (461) T Consensus 321 ~~a~~~~~K~~~~~FdleDfl~Ql~~~~KMG~l~~L~~MiPG~g~~~~~~~~~~~l~e~~~~~~~AiI~SMT~~ER~NP~ 400 (439) T TIGR00959 321 EEAKKLAEKMLKGQFDLEDFLEQLRQIKKMGPLSSLLKMIPGMGGMKPSLKDIDLLDEKQLKRIEAIISSMTPEERRNPK 400 (439) T ss_pred HHHHHHHHHHHCCCCCHHHHHHHHHHHHHCCCHHHHHHHHCCCCCCCHHHHHHHHHHHHHHHHHHHHHHCCCHHHHCCHH T ss_conf 99999999863058898999999999972279035888602202443357767677699999999877258877701925 Q ss_pred CCC--HHHHHHHHCCCCCCHHHHHHHHHHHHHHHHHHHH Q ss_conf 133--5789997232667989999999999999999998 Q gi|254780711|r 393 IIK--HSRKKRIAAGSGTNAAKINKLLKLHRQVAEMMHS 429 (461) Q Consensus 393 ll~--~SR~~RIA~GSG~~v~eVn~Llk~f~~m~kmmk~ 429 (461) T Consensus 401 iln~~~SRrkRIA~GSG~~v~dvNkLiK~f~qm~~~Mk~ 439 (439) T TIGR00959 401 ILNKDPSRRKRIAAGSGTTVQDVNKLIKRFEQMKKMMKK 439 (439) T ss_pred HHCCCCCHHHHHHCCCCCCHHHHHHHHHHHHHHHHHHCC T ss_conf 435798713789600799799999998629999998329

HHsearch alignment for GI: 254780711 and conserved domain: TIGR00959