CimH

• Description: transporter for citrate (proton symport)
  
  

Gene name	cimH
Synonyms	yxkJ
Essential	no
Product	transporter for citrate (proton symport)
Function	citrate uptake
Gene expression levels in SubtiExpress: cimH
Metabolic function and regulation of this protein in SubtiPathways: Central C-metabolism
MW, pI	48 kDa, 6.554
Gene length, protein length	1350 bp, 450 aa
Immediate neighbours	cydA, yxkI
Sequences	Protein DNA Advanced_DNA
Genetic context This image was kindly provided by SubtiList
Expression at a glance   PubMed

Categories containing this gene/protein

transporters/ other, utilization of specific carbon sources, membrane proteins

This gene is a member of the following regulons

CcpA regulon

The gene

Basic information

• Locus tag: BSU38770

Database entries

• DBTBS entry: no entry

• SubtiList entry: [1]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: uptake of citrate (symport with protons) PubMed

• Protein family: sodium:citrate (SCF) symporter family (according to Swiss-Prot) 2-hydroxycarboxylate transporter family

• Paralogous protein(s): MaeN

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions:

• Localization:
  • cell membrane (according to Swiss-Prot)

Database entries

• Structure:

• UniProt: P94363

• KEGG entry: [2]

• E.C. number:

Expression and regulation

• Operon: cimH PubMed

• Expression browser: cimH PubMed

• Sigma factor:

• Regulation:
  • repressed by glucose (CcpA) PubMed

• Regulatory mechanism:
  • CcpA: transcription repression PubMed

• Additional information:
  • the mRNA is substantially stabilized upon depletion of RNase Y PubMed

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Reviews

Iwona Sobczak, Juke S Lolkema
The 2-hydroxycarboxylate transporter family: physiology, structure, and mechanism.
Microbiol Mol Biol Rev: 2005, 69(4);665-95
[PubMed:16339740] [WorldCat.org] [DOI] (P p)

Original publications

Lehnik-Habrink M, Schaffer M, Mäder U, Diethmaier C, Herzberg C, Stülke J  
RNA processing in Bacillus subtilis: identification of targets of the essential RNase Y. 
Mol Microbiol. 2011 81(6): 1459-1473. 
PubMed:21815947

Bastiaan P Krom, Juke S Lolkema
Conserved residues R420 and Q428 in a cytoplasmic loop of the citrate/malate transporter CimH of Bacillus subtilis are accessible from the external face of the membrane.
Biochemistry: 2003, 42(2);467-74
[PubMed:12525174] [WorldCat.org] [DOI] (P p)

B P Krom, R Aardema, J S Lolkema
Bacillus subtilis YxkJ is a secondary transporter of the 2-hydroxycarboxylate transporter family that transports L-malate and citrate.
J Bacteriol: 2001, 183(20);5862-9
[PubMed:11566984] [WorldCat.org] [DOI] (P p)

Y Miwa, A Nakata, A Ogiwara, M Yamamoto, Y Fujita
Evaluation and characterization of catabolite-responsive elements (cre) of Bacillus subtilis.
Nucleic Acids Res: 2000, 28(5);1206-10
[PubMed:10666464] [WorldCat.org] [DOI] (I p)