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1.A.5.1.4
One of 10 receptors for the egg jelly ligands (REJ, REJ1 or PKD-REJ1) inducing the acrosome reaction in sea urchin eggs. Could be a regulator of sperm ion channels (Gunaratne et al. 2007).

Accession Number:Q26627
Protein Name:Sperm receptor for egg jelly
Length:1450
Molecular Weight:158165.00
Species:Strongylocentrotus purpuratus (Purple sea urchin) [7668]
Number of TMSs:1
Location1 / Topology2 / Orientation3: Cell membrane1 / Single-pass type I membrane protein2
Substrate ions

Cross database links:

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  • 2° Structure (Network Protein Sequence Analysis)

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence
1:	MSVFVILILF NAILNFKTVG PAAVSSKTVD CASAPCMNGG TCADGFNNFT CFCEEGFTGS 
61:	MCETEYGCFR PWFYGPAFGY CYLWERVDYN WTQARESCID QGRGAELASI HSAEENAFVY 
121:	AQIRRYAWIG LSDQVTEGVF DYADGTPVDY LSFPDKNKQS ETRDCVYVKH LRVDNWSLLD 
181:	CRANKTSICK STTTFSATDG CATGWVHNPA TGYCYFYEER GGMWSKGREF CLDAGADLAS 
241:	IHSAEENAFI FDMLTEFVWL GLNDLETEGV YTNFSDGTPA DFDNFPADNY QNEDHDCVSI 
301:	RHLEKTDRYW FFLGCDDTVT SICKRPHEVV ATQAPPYLFT TTDVPATTTT IPTTTTTISA 
361:	TTRTIDAMIL IELLLFPNNV SSIDNIFRVN NTILVTASVL GSFQALSSQI LWSITNHLSG 
421:	DSVQYTVYSE DAVLVRFTTV SIFTIKATAV GNSHNLTATA NATVKHVCIS SLTTSVKEHC 
481:	DAPHPAVYLR AFDIHISTHM ELNGKCIDPM TPDFKWRIFT STEADDVVTA FEKITHTRQV 
541:	MIPRGTLPYG IYSLNLNAKT RLKTSGEVTG EKEIISWLEI QPPPLVAVIK GGASRSHGVS 
601:	SNLIVDGSNS YDPDVPPGSS SNVTFLWYCV VVDPDVMYSS LDEAIQNTDN ACFEDEGIMM 
661:	NSTSSMIEVI ANKLNANVTM NFWLNISKEG QISGLTQQRI HLTLGLLPEI EISCISNCNM 
721:	YIFTAERLVL HASCTNCDSE NEDVSFRWSL ESNHTSVIGD LSSQTTTGLD QPYLVLKPLT 
781:	FDSISEMGSI ILRVTGSQSD SDGYAEFSVD LPHNAPPALG SCVVTPDEGY ALQTDFTVTC 
841:	SNFTDVDEPL TYQIILFSHV DVVDWMFVGR GEGFQLYEGS APIKDGLYLP VGVGTDDHDI 
901:	LLQVNVRDCN MASTSVYISA TVHPPTLDAV GMNLVQELLD MALLVETNVN ALLAVGDPGQ 
961:	AAQLISALGS ILNSIGDEDD SEEGRETRSE IRSFLVDCVA AIPVESMTSL KQSSAALAVV 
1021:	THNKQEISTH VQMLAASTLS EMTSFVKSKS GSYTQAQENI ESAGTILVEG LSNILSAAKE 
1081:	TERLLSDDTS QEREDHKNLI EVAVSTINDI QDAIVAGKIP SEAATIITSP ALSIAVGSIS 
1141:	RDELAEATFG GPEDLGSFRM PSQDVLNQAM EHALGTTVSM KMSAMKWNPF SWPGAGGESI 
1201:	KSSIVGIQLE ADQMLEFHDL TADIDVYLPM RETLSADPVS VHITKTSSDS VLIDHSSLPV 
1261:	DGALHLTVIA ENEPMVALSI CTARISITES SCVGTDTPLG VSNEDPDTDA NFTWTVPLVD 
1321:	LKAADGIMIR LYDSEDQPGY ENDNITLSVF MHTLQCNFWN EDQQEWDSTG CKVGPLSKPS 
1381:	TTHCLCNHLT GFFGSSILVP PNHAQPVIGG HKLTGVDFLI CVLIGYGIYC VALVIRVVGC 
1441:	SFAIRVHKVL