HHsearch alignment for GI: 254780226 and conserved domain: cd04123
>cd04123 Rab21 Rab21 subfamily. The localization and function of Rab21 are not clearly defined, with conflicting data reported. Rab21 has been reported to localize in the ER in human intestinal epithelial cells, with partial colocalization with alpha-glucosidase, a late endosomal/lysosomal marker. More recently, Rab21 was shown to colocalize with and affect the morphology of early endosomes. In Dictyostelium, GTP-bound Rab21, together with two novel LIM domain proteins, LimF and ChLim, has been shown to regulate phagocytosis. GTPase activating proteins (GAPs) interact with GTP-bound Rab and accelerate the hydrolysis of GTP to GDP. Guanine nucleotide exchange factors (GEFs) interact with GDP-bound Rabs to promote the formation of the GTP-bound state. Rabs are further regulated by guanine nucleotide dissociation inhibitors (GDIs), which facilitate Rab recycling by masking C-terminal lipid binding and promoting cytosolic localization. Most Rab GTPases contain a lipid modification site
Probab=98.23 E-value=3.5e-05 Score=54.69 Aligned_cols=146 Identities=18% Similarity=0.232 Sum_probs=85.8
Q ss_pred CEEEEEECCCCCHHHHHHHHHCCCCCCCCCCCCCCCCCCEE--EEECCCHHHHHHHHHCCCCEEEEEEEEEEECCCCCCC
Q ss_conf 24867528887888999987404898736668674488337--9976855587776421865023357999851223543
Q gi|254780226|r 3 FKCGIIGLPNVGKSTLFNALTRTASAQAANYPFCTIEPNSG--EVAVPDPRMHKLAEIAESKDLVPTRMSFVDIAGLVRG 80 (367)
Q Consensus 3 ~kiGlvG~pn~GKST~f~alT~~~~~~~~~ypFtTi~pn~g--~~~v~d~~~~~l~~~~~~~~~~p~~i~~iDvaGLv~g 80 (367)
T Consensus 1 ~Ki~vvG~~~vGKTsli~r~~~~--~f~~~~~~t-i~~~~~~k~i~~------------~~~---~~~l~iwDt~G~~~- 61 (162)
T cd04123 1 FKVVLLGEGRVGKTSLVLRYVEN--KFNEKHEST-TQASFFQKTVNI------------GGK---RIDLAIWDTAGQER- 61 (162)
T ss_pred CEEEEECCCCCCHHHHHHHHHHC--CCCCCCCCC-CEEEEEEEEEEE------------CCE---EEEEEEEECCCCCC-
T ss_conf 98999999996799999999839--899876775-264799999999------------999---99999995899730-
Q ss_pred CCCCCCCHHHHHHHHHCCCEEEEEECCCCCCCCCCCCCCCCCCHHHHHHHHHHHHHHHHHHHHHHHHHHHHHCCCHHHHH
Q ss_conf 22246632899998730374788501234542113457767321578898888764332224577777875203204677
Q gi|254780226|r 81 ASKGEGLGNQFLAHIREVDAIIHVLRCFKDENIIHVEGRIDPINDIETIETELMLSDLERLERLFEKNKKYRNHKSEEIV 160 (367)
Q Consensus 81 A~~G~GlGN~FL~~ir~aDalihVVdaf~~~~v~~~~g~~DP~~Di~~i~~EL~l~dle~lek~~~k~~k~~~~~~~~~~ 160 (367)
T Consensus 62 ---~~~~~~~~---~~~a~~~ilv~d~t~~~S-------------f~~------------i~-~~--------------- 94 (162)
T cd04123 62 ---YHALGPIY---YRDADGAILVYDITDADS-------------FQK------------VK-KW--------------- 94 (162)
T ss_pred ---CCCCCHHH---EECCCEEEEEEECCCHHH-------------HHH------------HH-HH---------------
T ss_conf ---35563133---011445799963899899-------------999------------99-99---------------
Q ss_pred HHHHHHHHHHHHHHCCCCCHHHHHHCCHHHHHHHHHHHHHHHCCCHHEECCCHHHHCCCHHHHHHHHHHHHHCCCCCCCC
Q ss_conf 78999998899887587410344313267776210235764101001003430111010134678778864369840332
Q gi|254780226|r 161 LLQSIISSSLRLIEEGKPVRSLLESLDSDAIPIFKSLNLLTAKPILYICNVSEHDCKKGNIYTEAVQRLASQQNAEMIII 240 (367)
Q Consensus 161 ~~~~~l~~~~~~Le~~~~~r~~~~~~~~de~~~l~~~~llt~KP~iivaNk~e~~~~~~n~~~e~i~~l~~~~~~~~i~i 240 (367)
T Consensus 95 ------------~~~---i~~~-----------~-~----~~~~iilvgnK~Dl~~~-r~v~~~e~~~~a~~~~~~y~e~ 142 (162)
T cd04123 95 ------------IKE---LKQM-----------R-G----NNISLVIVGNKIDLERQ-RVVSKSEAEEYAKSVGAKHFET 142 (162)
T ss_pred ------------HHH---HHHH-----------C-C----CCCCEEEECCCCCCHHH-CCCCHHHHHHHHHHCCCEEEEE
T ss_conf ------------999---9987-----------6-9----99746866332132540-8889999999999829989998
Q ss_pred CCHHHH
Q ss_conf 100246
Q gi|254780226|r 241 SAAIEA 246 (367)
Q Consensus 241 sa~~E~ 246 (367)
T Consensus 143 Sak~g~ 148 (162)
T cd04123 143 SAKTGK 148 (162)
T ss_pred ECCCCC
T ss_conf 127881