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1.A.112.1.8
CNNM Mg2+ transport protein of 494 aas and 5 TMSs in a 1 + 4 TMS arrangement.  It has a CNNM domain (residues 1 - 220) and three CBS domains, CBS1, 2, and 3 (residues 230 - 425).

Accession Number:Q67XQ0
Protein Name:DUF21 domain-containing protein At4g14240
Length:494
Molecular Weight:53582.00
Species:Arabidopsis thaliana (Mouse-ear cress) [3702]
Number of TMSs:5
Location1 / Topology2 / Orientation3: Membrane1 / Multi-pass membrane protein2
Substrate magnesium(2+)

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence
1:	MHLINAVAAA RILSGIGQSN GNNGGEAIPF GSFEWITYAG ISCFLVLFAG IMSGLTLGLM 
61:	SLGLVELEIL QRSGTPNEKK QAAAIFPVVQ KQHQLLVTLL LCNAMAMEGL PIYLDKLFNE 
121:	YVAIILSVTF VLAFGEVIPQ AICTRYGLAV GANFVWLVRI LMTLCYPIAF PIGKILDLVL 
181:	GHNDALFRRA QLKALVSIHS QEAGKGGELT HDETTIISGA LDLTEKTAQE AMTPIESTFS 
241:	LDVNSKLDWE AMGKILARGH SRVPVYSGNP KNVIGLLLVK SLLTVRPETE TLVSAVCIRR 
301:	IPRVPADMPL YDILNEFQKG SSHMAAVVKV KGKSKVPPST LLEEHTDESN DSDLTAPLLL 
361:	KREGNHDNVI VTIDKANGQS FFQNNESGPH GFSHTSEAIE DGEVIGIITL EDVFEELLQE 
421:	EIVDETDEYV DVHKRIRVAA AAAASSIARA PSSRKLLAQK GTGGQNKQGQ TNKVPGQEQD 
481:	KMLGTITEPI RRNN