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2.A.31.2.15
Sodium bicarbonate cotransporter, NBC, of 1194 aas and 12 TMSs. It can transport HCO3- (or a related species, such as CO32-).  It functions in adaptation to pH stress, both acid- and base-stress (Cai et al. 2017).

Accession Number:AQX43455.1
Protein Name:AQX43455.1 sodium bicarbonate cotransporter NBC [Litopenaeus vannamei]
Length:1195
Molecular Weight:
Species:Litopenaeus vannamei [6689]
Number of TMSs:12
Substrate carbonate, bicarbonate

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence
1:	MDIGGPTPTS PDEEPPRDPG VAQHHSYTNE DLEGHRAHSI YVGVHIPGAH RRRSRHHRHH 
61:	RHHHRSSNKE GSENRPVTPP SQRVQFILGE DDDGDGTHDS HPLFSEMETL IEMEGGELEW 
121:	KETARWIKFE EDVEEGGERW SKPHVATLSL HSLFELRSFL LNGTVILDMD ASSLDTIADL 
181:	VLDNMINQGQ LPLNGREKFR DALLRRHKHL YEKQKHKENG NMSRLPLIRS LAEIGRNHSS 
241:	SKNSGSGFFR ALSFSGGNNA SVVSNPDGAM ETSPSSGSIT RNQSGNNLES GNGVSEHKGN 
301:	TNFMRKIPPG AEASNILVGE VPFLEKPATA FVRLTQAANL GDLTEVPVPT RFLYIILGPT 
361:	GGLPRYHEIG RAMATLLSDE VFHDVAYKAK NRSHLLAGVD EFLDAVTVLP PGEWDPAIRI 
421:	EPPAAIPSQD SRKTPKKNEP EEVIDEEEEE QKLREQAGLT RTGRLFGGLV NDLKRKKPWY 
481:	WSDFKDGISI QSIATFFFLY FACLTPIITF GGLLGEATEN RIAAMESLVA GLICGVIYGF 
541:	FSGQPLTILG STGPVLVFET ILYDFCKTSE WDYLSFRLWI GIWVGAILIV LVAIDASALV 
601:	CYITRFTEEN FATLIAFIFI YKAIEKVIKI GTKYPMETHV DIPKSCMCTV GNETQYGNST 
661:	YPWYNATEED CKMLYEGTMM GDGCKHFYPD VYLLSFVLFF GTFLISIYLK DFKTASFSPT 
721:	KVRQFISDFA VIIAILAMSF FDFAVGIHTP KLEVPGEFKP TWEGRGWLIP FFNGNPWWSS 
781:	IVAVVPALLA TILIFMDQQI TAVIVNRKEH KLKKGGGYHL DLFVLALLLI VNSIMGLPWF 
841:	VAATVLSINH VNSLKLESEC AAPGEKPQFL GVRENRITHI AIFAFIGLSV VMTPILKKIP 
901:	MPVLFGVFLY MGIAALKGLQ FFDRILIMFM PVKYQPDYSF LRKVPLKKVH LFTVIQLACL 
961:	IALWVIKSFS QTSIFFPLML VVMIGIRKCL DWFFTQRELK ILDDTLPEFS RKKRMEKEEE 
1021:	SNTEESEEDK KAGVHSSEGM MTIPLANGNV MKVPMNPINI SEEMNKSGVW MDINQDQEKH 
1081:	NKANSPTKNN GDRSRDSCKR CHRRKKSRNN DGSNDEAKEP TKDVEKNGSI KCHSHTENDS 
1141:	AMKDTLELEN ESCHFTKKRG TKKDALNEEE KKRLSMMAEE EEEDEGITIK VTKS