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3.A.1.20.5 Possibly a Mg²⁺-citrate uptake porter with three components, R, M and C, as suggested by Mandal et al. 2019. However, this system appears more likely to be a ferric iron uptake system, based on sequence similarity studies (see other members of TC sub-family 3.A.1.20).
Accession Number:	Q53VZ3
Protein Name:	Putative iron ABC transporter, permease protein
Length:	565
Molecular Weight:	61034.00
Species:	Thermus thermophilus (strain HB8 / ATCC 27634 / DSM 579) [300852]
Number of TMSs:	12
Location¹ / Topology² / Orientation³:	Cell membrane¹ / Multi-pass membrane protein²
Substrate

UniProt (Universal Protein Resource)
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FASTA formatted sequence

1:	MVRKAPLAPS VPWPLALLTG AVGLLVLAPI GILVYQSLLT APFFAPAKRF ALEAYRYVLH 
61:	DPYFLEALKN SFLIGLGMVL IAVPLGSLFA FLVTKTDLPF ARLFELLLLA PIFISAIILG 
121:	IGFIVAFGPS GVVSGWVESL LGHVPWTIYT LPAIAVIAGL THVPYVYLYV ASTIQNVDAS 
181:	LEEAARVAGA RPYQVALSVT LPLVRPALVY SGALMLLLGF ELFGLPLVLG DAKGIMVVTT 
241:	YLYRLTAITG TSAYHLMAAV SVLIVLIAFT LVLLQRYLVG RMEGRYVAIG ARGYRTERLP 
301:	LGRLRYVWAF ALALYLLVAV VLPVLGVVFR SLVTSWGPGV DLREVFTVGH YADVFKLPNL 
361:	SRAVTNTLWV AALGGLLALA FYLLIALGIQ RGRGFGRVLD YLAGLPRAVP GLIMGLAFLW 
421:	IFLFFKPIAP WRNTLFALVL AYTVVWMPYG VRLLTAALLQ VGREVEEAAR IAGASPVRAF 
481:	LHGTLPLLKG GVLTAWFLLF IQFVREYSTG VYLMTAGTEV LGAQIVALWG TGAVDVIAAL 
541:	ATLQVLIVSG VFVLANRLGV RPQGL

3.A.1.20.5
Possibly a Mg²⁺-citrate uptake porter with three components, R, M and C, as suggested by Mandal et al. 2019. However, this system appears more likely to be a ferric iron uptake system, based on sequence similarity studies (see other members of TC sub-family 3.A.1.20).

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3.A.1.20.5Possibly a Mg2+-citrate uptake porter with three components, R, M and C, as suggested by Mandal et al. 2019. However, this system appears more likely to be a ferric iron uptake system, based on sequence similarity studies (see other members of TC sub-family 3.A.1.20).

Cross database links:

External Searches:

Analyze:

3.A.1.20.5
Possibly a Mg²⁺-citrate uptake porter with three components, R, M and C, as suggested by Mandal et al. 2019. However, this system appears more likely to be a ferric iron uptake system, based on sequence similarity studies (see other members of TC sub-family 3.A.1.20).