>cd05072 PTKc_Lyn Catalytic Domain of the Protein Tyrosine Kinase, Lyn. Protein Tyrosine Kinase (PTK) family; Lyn kinase; catalytic (c) domain. 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. Lyn is a member of the Src subfamily of proteins, which are cytoplasmic (or non-receptor) tyr kinases. Src kinases contain an N-terminal SH4 domain with a myristoylation site, followed by SH3 and SH2 domains, a tyr kinase domain, and a regulatory C-terminal region containing a conserved tyr. They are activated by autophosphorylation at the tyr kinase domain, but are negatively regulated by phosphorylation at the C-terminal tyr by Csk (C-terminal Src Kinase). Src proteins are involved in signaling pathways that regulate cytokine and growth fa

Probab=97.38 E-value=0.0092 Score=37.49 Aligned_cols=142 Identities=15% Similarity=0.172 Sum_probs=77.6 Q ss_pred EEEEEECCCCCEEEEEEEEECCC-CEEEEEECCC-CCHHHHHHHHHHHHHHHHCCCCCCCCCCCCHHHHHHHHCCCCEEE Q ss_conf 05310046681200179994399-5899982166-998899999999999853267755510010267787522451557 Q gi|254780795|r 24 LNSVQPIIHGVENSNFVIQTSKG-TFILTIYEKR-MNEKDLPVFIELLHYISRNKLPCPIPIPRNDGKLYGFLCKKPANI 101 (316) Q Consensus 24 ~~~~~~i~~G~~Ntny~v~t~~~-~yiLri~e~~-~~~~~l~~~~~ll~~L~~~gipvP~pi~~~~G~~~~~~~~k~~~L 101 (316) T Consensus 8 ~~~~~~IG~G~fg~Vy~~~~~~~~~VAvK~~~~~~~~~~~f~~E~~~l~~l~HpnI-----V~~~-g--~~~~~~~~~lv 79 (261) T cd05072 8 IKMVKKLGAGQFGEVWMGFYNNSTKVAVKTLKPGTMSVQAFLEEANLMKTLQHDKL-----VRLY-A--VVTKEEPIYII 79 (261) T ss_pred EEEEEEEECCCCCEEEEEEECCCCEEEEEEECCCCCCHHHHHHHHHHHHHCCCCCC-----CEEE-E--EEEECCEEEEE T ss_conf 79723983288869999999999999999986675579999999999986899888-----7299-9--99889988999 Q ss_pred EECCCCCCCCCCCHHHHHHHHHHHHHHHHHCCCCCCCCCCCCCHHHHHHHHHHHHHCCCHHHHHHHHHHHHHHHHHHHHC Q ss_conf 86478870768998999999998643675306875433231124564576675200155227889999999888765210 Q gi|254780795|r 102 FSFIKGSPLNHISDIHCEEIGSMLASMHQKTKNFHLYRKNTLSPLNLKFLWAKCFDKVDEDLKKEIDHEFCFLKESWPKN 181 (316) Q Consensus 102 ~~~i~G~~~~~~~~~~~~~lG~~La~lH~~~~~f~~~r~~~~~~~~~~~~~~~~~~~~~~~~~~~l~~~l~~~~~~~~~~ 181 (316) T Consensus 80 ~E~~~~GsL~~-----------~l---~~-~~------~~~~~~~---~~~---------~~~~qia~gL~yLH~----- 121 (261) T cd05072 80 TEYMAKGSLLD-----------FL---KS-DE------GSKVQLP---KLI---------DFSAQIAEGMAYIEK----- 121 (261) T ss_pred EEECCCCCHHH-----------HH---HH-CC------CCCCCHH---HHH---------HHHHHHHHHHHHHHH----- T ss_conf 98079993899-----------98---53-66------8887999---999---------999999999999986----- Q ss_pred CCCCEEECCCCCCCEEECCCCCEEEECCCCCC Q ss_conf 77744402234642256279604873162135 Q gi|254780795|r 182 LPTGIIHADLFPDNVLFYNNKIMGLIDFYFSC 213 (316) Q Consensus 182 Lp~g~IHgDl~~~NiL~~~~~i~giIDF~~~~ 213 (316) T Consensus 122 --~~iiHrDlK~~NiLl~~~~~~Kl~DFGls~ 151 (261) T cd05072 122 --KNYIHRDLRAANVLVSESLMCKIADFGLAR 151 (261) T ss_pred --CCEECCCCCCCEEEECCCCCEEEEECCCCE T ss_conf --892666146374898899979998558756

HHsearch alignment for GI: 254780795 and conserved domain: cd05072