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2.A.114.1.9
High affinity (Km 16 mμM) pyruvate:H+ symporter, BtsT (from "Brenztraubensaure", the German word for pyruvate), formerly YjiY of 716 aas and 16 - 18 TMSs (Kristoficova et al. 2017).  Regulated by Crp as well as the LytS-like histidine sensor kinase, BtsS (YehU) which senses extracellular pyruvate, and the corresponding LytTR-like response regulator, BtsR (YehT).  Although the true inducer is extracellular pyruvate as noted above, it is induced by peptides as cells enter the stationary growth phase, presumably because pyruvate is released from these peptides (Kraxenberger et al. 2012).  BtsT forms a complex with the MFS transporter, YhjX (TC# 2.A.1.11.3) and two sensor kinase/response regulator pairs, YehU/YehT and YdpA/YdpB (Behr et al. 2014).  Both transporters are also posttranscriptionally regulated by CsrA (Behr et al. 2014).

Accession Number:P29296
Protein Name:C-phycoerythrin alpha chain
Length:164
Molecular Weight:17677.00
Species:Pseudanabaena tenuis (strain PCC 7409) [29415]
Location1 / Topology2 / Orientation3: Cellular thylakoid membrane1 / Peripheral membrane protein2 / Cytoplasmic side3
Substrate Unknown

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FASTA formatted sequence
1:	MKSVVTTVIS AADAAGRFPS TSDLESVQGS IQRAAARLEA AEKLANNIDA VAKEAYNAAI 
61:	KKYPYLNNAG EANSTDTFKA KCARDIKHYL RLIQYSLVVG GTGPLDEWGI AGQREVYRSL 
121:	GLPTAPYVEA LSYARNRGCS PRDLSPQALT EYNALLDYAI NSLS