TcyP

• Description: cystine transporter, membrane protein
  
  

Gene name	tcyP
Synonyms	yhcL
Essential	no
Product	cystine transporter, membrane protein
Function	cystine uptake
Gene expression levels in SubtiExpress: tcyP
Metabolic function and regulation of this protein in SubtiPathways: Ammonium/ glutamate
MW, pI	48 kDa, 9.471
Gene length, protein length	1389 bp, 463 aa
Immediate neighbours	dgcK, yhcM
Sequences	Protein DNA DNA_with_flanks
Genetic context This image was kindly provided by SubtiList
Expression at a glance   PubMed

Categories containing this gene/protein

transporters/ other, biosynthesis/ acquisition of amino acids, membrane proteins

This gene is a member of the following regulons

CymR regulon

The gene

Basic information

• Locus tag: BSU09130

Database entries

• DBTBS entry: no entry

• SubtiList entry: [1]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: cystine-proton symporter PubMed

• Protein family:

• Paralogous protein(s):

Extended information on the protein

• Kinetic information: K(m) = 0.6 myM PubMed

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions:

• Localization:
  • membrane associated PubMed

Database entries

• Structure:

• UniProt: P54596

• KEGG entry: [2]

• E.C. number:

Expression and regulation

• Operon: tcyP

• Expression browser: tcyP PubMed

• Sigma factor:

• Regulation:
  • repressed in the presence of sulfate or cysteine (CymR) PubMed

• Regulatory mechanism:
  • CymR: transcription repression PubMed

• Additional information:

Biological materials

• Mutant:
  • 1A949 ( tcyP::spec), PubMed, available at BGSC

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

Labs working on this gene/protein

Isabelle Martin-Verstraete, Institute Pasteur, Paris, France