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1.A.14.3.1
The NMDA receptor glutamate binding chain. Also called Protein lifeguard-1, putative MAPK-activating protein PMO2, and transmembrane BAX inhibitor motif-containing protein 3 (TMBIM3, GRINA, LFG1, NMDARA1). The human orthologue is Q7Z429.  Stimulation and block by spermine involve separate binding sites and distinct mechanisms (Jin et al. 2008).

Accession Number:Q63863
Protein Name:NMDA receptor glutamate-binding subunit
Length:516
Molecular Weight:56957.00
Species:Rattus sp [10118]
Number of TMSs:7
Location1 / Topology2 / Orientation3: Cell inner membrane1 / Multi-pass membrane protein2
Substrate ion

Cross database links:

Pfam: PF01027   

Gene Ontology

GO:0005261 F:cation channel activity
GO:0004872 F:receptor activity

References (2)

[1] “Cloning of cDNA for the glutamate-binding subunit of an NMDA receptor complex.”  Kumar K.N.et.al.   1719427
[2] “Cloning of cDNA for the glutamate-binding subunit of an NMDA receptor complex.”  Kumar K.N.et.al.   1719427

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence 
1:	MKRVSWSLGT AILPQTLAIL WGHKPLCLPM FSLPTLGPHT HRPLSSPLPM VNQGIPMVPV 
61:	PITRWLPLKD LLKEATHQGH YPQSPFPPNP YGQPPPFQDP GSPQHGNYQE EGPPSYYDNQ 
121:	DFPSVNWDKS IRQAFIRKVF LVLTLQLSVT LSTVAIFTFV GEVKGFVRAN VWTYYVSYAI 
181:	FFISLIVLSC CGDFRKKHPW NLVALSILTI SLSYMVGMIA SFYNTEAVIM AVGITTAVCF 
241:	TVVIFSMQTR YDFTSCMGVL LVSVVVLFIF AILCIFIRNR ILEIVYASLG ALLFTCFLAV 
301:	DTQLLLGNKQ LSLSPEEYVF AALNLYTDII NIFLYILTII GRSQGIGQAP AQVAWWAQTH 
361:	APAMTLPSVL PPLWFPAMAW SRGSPSRPRV CTLQILNVRT LSATAWKPLS LLPLPRGDRA 
421:	AFLCHLLSTH CCMSPVCQPI PGSGINTRSQ GRRIIPRGEG ARLPSCPSSP GIESPCPLLT 
481:	LPSEGLAGWG LVLVLGPETK RGWHVSGERL SCVLPL