lacI:Gene

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Nomenclature Location(s) and DNA Sequence Sequence Features Alleles and Phenotypes Genetic Interactions Genetic Resources Accessions Links References Suggestions

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Nomenclature

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See Help:Gene_nomenclature for help with entering information in the Gene Nomenclature table.

Standard name

lacI

Mnemonic

Lactose

Synonyms

ECK0342, b0345, JW0336[1], JW0336

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Notes

Location(s) and DNA Sequence

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Strain Map location Genome coordinates Genome browsers Sequence links

MG1655

7.88 minutes 

MG1655: 366734..365652
<gbrowseImage> name=NC_000913:365652..366734 source=MG1655 preset=GeneLocation </gbrowseImage>

REL606

NC_012967: 340066..338984
<gbrowseImage> name=NC_012967:338984..340066 source=REL606 preset=GeneLocation </gbrowseImage>

W3110

 

W3110: 366734..365652
<gbrowseImage> name=NC_007779:365652..366734 source=W3110 preset=GeneLocation </gbrowseImage>

DH10B

DH10B: 1386177..1385095
<gbrowseImage> name=NC_010473:1385095..1386177 source=DH10B preset=GeneLocation </gbrowseImage>

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Notes

Sequence Features

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See Help:Gene_sequence_features for help in entering sequence features in EcoliWiki.

Feature Type Strain Genomic Location Evidence Reference Notes

Coding Start (SO:0000323)

MG1655

365652

Edman degradation

PMID:1107032[2]
PMID:4554534[3]
PMID:4557395[4]
PMID:4571224[5]


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Notes

Alleles and Phenotypes

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See Help:Gene_alleles for how to enter or edit alleles and phenotypes in EcoliWiki.

Allele Nt change(s) AA change(s) Phenotype: Type Phenotype: Description Reference Availability Comments

lacI(del) (Keio:JW0336)

deletion

deletion

PMID:16738554[6]

Shigen

CGSC8528[7]

lacIY282D

Y282D

(in T41 mutant)

Strain variation; seeded from UniProt:P03023

lacIY17H

Y17H

Broadening of specificity

seeded from UniProt:P03023

lacIR22N

R22N

Recognizes an operator variant

seeded from UniProt:P03023

lacI3042::Tn10

Insertion at 365,945 bp in MG1655 (NC_000913)

adapted from Nichols et al.[8]

CAG18439 = CGSC7334[7]

Synonyms: lacI42::Tn10 nnnCAG18439 also carries lacZ118(0c) (CGSC).

lacI60

CGSC:5329

lacI22

CGSC:5462

lacI694(IS)

CGSC:7293

lacI203

CGSC:7410

lacI100

CGSC:9476

lacI4500::Tn10

CGSC:24666

lacI3098::Tn10kan

PMID:2540407[9]

CGSC:38617

lacI3042::Tn10

PMID:2540407[9]

CGSC:39001

lacI373

CGSC:74371

lacI50(Fs)

CGSC:83700

frameshift mutation

lacI785(del)::kan

PMID:16738554[6]

CGSC:101634


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Notes

Genetic Interactions

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Interactor Interaction Allele Score(s) Reference(s) Accessions Notes

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Notes

Genetic Resources

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See Help:Gene_resources for help entering information into the Genetic Resources table.

Resource Resource Type Source Notes/Reference

JW0336

Plasmid clone

Shigen

PMID:16769691[10]

Status:Clone OK

Primer 1:GCCAAACCAGTAACGTTATACGA

Primer 2:CCCTGCCCGCTTTCCAGTCGGGA

10A6

Kohara Phage

Genobase

PMID:3038334[11]

proA81::Tn10

Linked marker

CAG18447 = CGSC7330[7]

est. P1 cotransduction: % [8]

mhpC281::Tn10

Linked marker

CAG12080 = CGSC7333[7]

est. P1 cotransduction: 83% [8]
Synonyms:zah-281::Tn10

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Notes

Accessions in Other Databases

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See Help:Gene_accessions for help with entering information into the Gene Accessions table.

Database Accession Notes

EcoCyc

EcoCyc:EG10525

Escherichia coli str. K-12 substr. MG1655

EcoGene

EcoGene:EG10525

Escherichia coli str. K-12 substr. MG1655

RegulonDB

RegulonDB:ECK120000518

Escherichia coli str. K-12 substr. MG1655

NCBI (EcoliWiki Page)

GeneID:945007

Escherichia coli str. K-12 substr. MG1655

EchoBASE

EchoBASE:EB0520

Escherichia coli str. K-12 substr. MG1655

ASAP

ASAP:ABE-0001189

Escherichia coli str. K-12 substr. MG1655

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Notes

Links

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References

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See Help:References for how to manage references in EcoliWiki.

  1. Riley, M. et al. (2006) Nucleic Acids Res 34:1-6 (corrected supplemental data from B. Wanner)
  2. Beyreuther, K et al. (1975) Amino-acid sequence of lac repressor from Escherichia coli. Isolation, sequence analysis and sequence assembly of tryptic peptides and cyanogen-bromide fragments. Eur. J. Biochem. 59 491-509 PubMed
  3. Platt, T et al. (1972) Translational restarts: AUG reinitiation of a lac repressor fragment. Proc. Natl. Acad. Sci. U.S.A. 69 897-901 PubMed
  4. Adler, K et al. (1972) How lac repressor binds to DNA. Nature 237 322-7 PubMed
  5. Platt, T et al. (1973) Lac repressor. Specific proteolytic destruction of the NH 2 -terminal region and loss of the deoxyribonucleic acid-binding activity. J. Biol. Chem. 248 110-21 PubMed
  6. 6.0 6.1 Baba, T et al. (2006) Construction of Escherichia coli K-12 in-frame, single-gene knockout mutants: the Keio collection. Mol. Syst. Biol. 2 2006.0008 PubMed
  7. 7.0 7.1 7.2 7.3 CGSC: The Coli Genetics Stock Center
  8. 8.0 8.1 8.2 The Tn10 insertion sites determined by Nichols et al. 1998 (PMID:9829956) were reannotated by alignment with E. coli K-12 genome sequence (GenBank accession NC_000913). P1 contransduction frequencies were calculated using the formula of Wu (PMID:5338813).
  9. 9.0 9.1 Singer, M et al. (1989) A collection of strains containing genetically linked alternating antibiotic resistance elements for genetic mapping of Escherichia coli. Microbiol. Rev. 53 1-24 PubMed
  10. Kitagawa, M et al. (2005) Complete set of ORF clones of Escherichia coli ASKA library (a complete set of E. coli K-12 ORF archive): unique resources for biological research. DNA Res. 12 291-9 PubMed
  11. Kohara, Y et al. (1987) The physical map of the whole E. coli chromosome: application of a new strategy for rapid analysis and sorting of a large genomic library. Cell 50 495-508 PubMed

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