>cd04111 Rab39 Rab39 subfamily. Found in eukaryotes, Rab39 is mainly found in epithelial cell lines, but is distributed widely in various human tissues and cell lines. It is believed to be a novel Rab protein involved in regulating Golgi-associated vesicular transport during cellular endocytosis. 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 at the C-terminus, with sequence motifs CC, CXC, or CCX. Lipid binding is essential for membrane attachment, a key feature of most Rab proteins.

Probab=97.94 E-value=0.0005 Score=46.92 Aligned_cols=151 Identities=19% Similarity=0.277 Sum_probs=88.0 Q ss_pred CCEEEEEECCCCCHHHHHHHHHCCCCCCCCCCCCCCCCCCEEE--EECCCHHHHHHHHHCCCCEEEEEEEEEEECCCCCC Q ss_conf 8248675288878889999874048987366686744883379--97685558777642186502335799985122354 Q gi|254780226|r 2 GFKCGIIGLPNVGKSTLFNALTRTASAQAANYPFCTIEPNSGE--VAVPDPRMHKLAEIAESKDLVPTRMSFVDIAGLVR 79 (367) Q Consensus 2 ~~kiGlvG~pn~GKST~f~alT~~~~~~~~~ypFtTi~pn~g~--~~v~d~~~~~l~~~~~~~~~~p~~i~~iDvaGLv~ 79 (367) T Consensus 2 ~fKivllGd~~VGKTsL~~rf~~~~--F~~~~~-~Tig~df~~k~i~i~-----------dg---~~v~l~IwDTaGq-- 62 (211) T cd04111 2 QFRLIVIGDSTVGKSSLLKRFTEGR--FAEVSD-PTVGVDFFSRLIEIE-----------PG---VRIKLQLWDTAGQ-- 62 (211) T ss_pred EEEEEEECCCCCCHHHHHHHHHHCC--CCCCCC-CCCCEEEEEEEEEEC-----------CC---CEEEEEEEECCCC-- T ss_conf 7999999999961999999998199--999868-720168899899977-----------99---5999999979886-- Q ss_pred CCCCCCCCHHHHHHHHHCCCEEEEEECCCCCCCCCCCCCCCCCCHHHHHHHHHHHHHHHHHHHHHHHHHHHHHCCCHHHH Q ss_conf 32224663289999873037478850123454211345776732157889888876433222457777787520320467 Q gi|254780226|r 80 GASKGEGLGNQFLAHIREVDAIIHVLRCFKDENIIHVEGRIDPINDIETIETELMLSDLERLERLFEKNKKYRNHKSEEI 159 (367) Q Consensus 80 gA~~G~GlGN~FL~~ir~aDalihVVdaf~~~~v~~~~g~~DP~~Di~~i~~EL~l~dle~lek~~~k~~k~~~~~~~~~ 159 (367) T Consensus 63 --e~~~si~~~y---yr~a~g~ilVyDvt~~~S-------------F~------------~l~-~W-------------- 97 (211) T cd04111 63 --ERFRSITRSY---YRNSVGVLLVFDITNRES-------------FE------------HVH-DW-------------- 97 (211) T ss_pred --CCCCCCHHHH---HHHCCEEEEEECCCCHHH-------------HH------------HHH-HH-------------- T ss_conf --3456442877---421244689714777799-------------99------------999-99-------------- Q ss_pred HHHHHHHHHHHHHHHCCCCCHHHHHHCCHHHHHHHHHHHHHHHCCCHHEECCCHHHHCCCHHHHHHHHHHHHHCCCCCCC Q ss_conf 77899999889988758741034431326777621023576410100100343011101013467877886436984033 Q gi|254780226|r 160 VLLQSIISSSLRLIEEGKPVRSLLESLDSDAIPIFKSLNLLTAKPILYICNVSEHDCKKGNIYTEAVQRLASQQNAEMII 239 (367) Q Consensus 160 ~~~~~~l~~~~~~Le~~~~~r~~~~~~~~de~~~l~~~~llt~KP~iivaNk~e~~~~~~n~~~e~i~~l~~~~~~~~i~ 239 (367) T Consensus 98 -------------~~e---i~~---~~~------------~~~~~iiLVGNK~DL~~~-R~Vs~ee~~~~A~~~~~~f~E 145 (211) T cd04111 98 -------------LEE---ARS---HIQ------------PHRPVFILVGHKCDLESQ-RQVTREEAEKLAKDLGMKYIE 145 (211) T ss_pred -------------HHH---HHH---HCC------------CCCCEEEEEEECCCHHHH-CCCCHHHHHHHHHHHCCEEEE T ss_conf -------------999---999---749------------888538988742312856-788999999999983997999 Q ss_pred CCCHHHHHH Q ss_conf 210024665 Q gi|254780226|r 240 ISAAIEAEI 248 (367) Q Consensus 240 isa~~E~ei 248 (367) T Consensus 146 tSAK~g~nV 154 (211) T cd04111 146 TSARTGDNV 154 (211) T ss_pred ECCCCCCCH T ss_conf 759998198

HHsearch alignment for GI: 254780226 and conserved domain: cd04111