>cd05039 PTKc_Csk_like Catalytic Domain of C-terminal Src kinase-like Protein Tyrosine Kinases. Protein Tyrosine Kinase (PTK) family; C-terminal Src kinase (Csk) subfamily; catalytic (c) domain. The Csk subfamily is composed of Csk, Chk, and similar proteins. The PTKc family is part of a larger superfamily that includes the catalytic domains of other kinases such as protein serine/threonine kinases, RIO kinases, and phosphoinositide 3-kinase (PI3K). PTKs catalyze the transfer of the gamma-phosphoryl group from ATP to tyrosine (tyr) residues in protein substrates. Csk subfamily kinases are cytoplasmic (or nonreceptor) tyr kinases containing the Src homology domains, SH3 and SH2, N-terminal to the catalytic tyr kinase domain. They negatively regulate the activity of Src kinases that are anchored to the plasma membrane. To inhibit Src kinases, Csk and Chk are translocated to the membrane via binding to specific transmembrane proteins, G-proteins, or adaptor proteins near the membrane. Csk

Probab=97.25 E-value=0.0041 Score=39.75 Aligned_cols=140 Identities=11% Similarity=0.152 Sum_probs=75.7 Q ss_pred EECCCCCEEEEEEEEECCCCEEEEEECCC-CCHHHHHHHHHHHHHHHHCCCCCCCCCCCCHHHHHHHHCCCCEEEEECCC Q ss_conf 00466812001799943995899982166-99889999999999985326775551001026778752245155786478 Q gi|254780795|r 28 QPIIHGVENSNFVIQTSKGTFILTIYEKR-MNEKDLPVFIELLHYISRNKLPCPIPIPRNDGKLYGFLCKKPANIFSFIK 106 (316) Q Consensus 28 ~~i~~G~~Ntny~v~t~~~~yiLri~e~~-~~~~~l~~~~~ll~~L~~~gipvP~pi~~~~G~~~~~~~~k~~~L~~~i~ 106 (316) T Consensus 12 ~~iG~G~fg~Vy~g~~~g~~VAiK~~~~~~~~~~~f~~E~~~l~~l~H-----pNIv~~~-g--~~~~~~~~~iV~Ey~~ 83 (256) T cd05039 12 ATIGKGEFGDVMLGDYRGQKVAVKCLKDDSTAAQAFLAEASVMTTLRH-----PNLVQLL-G--VVLQGNPLYIVTEYMA 83 (256) T ss_pred EEEEECCCEEEEEEEECCCEEEEEEECCCCCHHHHHHHHHHHHHHCCC-----CCEEEEE-E--EEEECCEEEEEEECCC T ss_conf 399208980899999999199999988886569999999999985899-----8882088-8--9988999999997589 Q ss_pred CCCCCCCCHHHHHHHHHHHHHHHHHCCCCCCCCCCCCCHHHHHHHHHHHHHCCCHHHHHHHHHHHHHHHHHHHHCCCCCE Q ss_conf 87076899899999999864367530687543323112456457667520015522788999999988876521077744 Q gi|254780795|r 107 GSPLNHISDIHCEEIGSMLASMHQKTKNFHLYRKNTLSPLNLKFLWAKCFDKVDEDLKKEIDHEFCFLKESWPKNLPTGI 186 (316) Q Consensus 107 G~~~~~~~~~~~~~lG~~La~lH~~~~~f~~~r~~~~~~~~~~~~~~~~~~~~~~~~~~~l~~~l~~~~~~~~~~Lp~g~ 186 (316) T Consensus 84 ~gsL~~-----~---------l~~~~-------~~~l~---~~~~~---------~i~~~ia~gl~yLH~-------~~i 123 (256) T cd05039 84 KGSLVD-----Y---------LRSRG-------RAVIT---LAQQL---------GFALDVCEGMEYLEE-------KNF 123 (256) T ss_pred CCCHHH-----H---------HHHCC-------CCCCC---HHHHH---------HHHHHHHHHHHHHHH-------CCC T ss_conf 997899-----9---------97548-------98999---99999---------999999999999975-------893 Q ss_pred EECCCCCCCEEECCCCCEEEECCCCCCCC Q ss_conf 40223464225627960487316213568 Q gi|254780795|r 187 IHADLFPDNVLFYNNKIMGLIDFYFSCND 215 (316) Q Consensus 187 IHgDl~~~NiL~~~~~i~giIDF~~~~~~ 215 (316) T Consensus 124 iHrDlK~~NiLl~~~~~~Kl~DFGls~~~ 152 (256) T cd05039 124 VHRDLAARNVLVSEDLVAKVSDFGLAKEA 152 (256) T ss_pred EECCCCCCEEEECCCCCEEEEECCCCEEC T ss_conf 32546751388899994899305467006

HHsearch alignment for GI: 254780795 and conserved domain: cd05039