SplB

• Description: spore photoproduct lyase
  
  

Gene name	splB
Synonyms	spl
Essential	no
Product	spore photoproduct lyase
Function	protection of spore DNA against photodamage
Gene expression levels in SubtiExpress: splB
MW, pI	39 kDa, 8.524
Gene length, protein length	1026 bp, 342 aa
Immediate neighbours	splA, ykwB
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

DNA repair/ recombination, sporulation proteins

This gene is a member of the following regulons

SigG regulon

The gene

Basic information

• Locus tag: BSU13930

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:
  • repairs a special thymine dimer (5-thyminyl-5,6-dihydrothymine), which is commonly called spore photoproduct at the early germination phase
  • 5-thyminyl-5,6-dihydrothymine (in DNA) = 2 thymine residues (in DNA) (according to Swiss-Prot)

• Protein family:

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):
  • contains a [4Fe-4S] cluster, uses the [4Fe-4S] cluster to reduce SAM

• Effectors of protein activity:

• Interactions:

• Localization:

Database entries

• Structure:

• UniProt: P37956

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon: splA-splB PubMed

• Expression browser: splB PubMed

• Sigma factor: SigG PubMed

• Regulation: expressed during sporulation in the forespore (SigG) PubMed

• Regulatory mechanism:
  • negative autoregulation by SplA PubMed

• Additional information:

Biological materials

• Mutant: BP130 (del splB::spc), available in Fabian Commichau's lab

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody: