Summary of Escherichia coli K-12 substr. MG1655, version 26.0

Summary of Escherichia coli, Strain K-12 substr. MG1655, version 26.0

Tier 1 Highly Curated Database

Peter D. Karp1,
Ingrid Keseler1,
Carol Fulcher1,
Anamika Kothari1,
Suzanne Paley1,
Markus Krummenacker1,
Ian Paulsen2,
Amanda Mackie2,
Julio Collado-Vides3,
Cesar Bonavides-Martinez3,
Socorro Gama-Castro3,
Alberto Santos-Zavaleta3,
Victor H Tierrafria3

1SRI International,
2Macquarie University,
3Centro de Ciencias Genomicas, Universidad Nacional Autonoma de Mexico


EcoCyc is a model-organism database for Escherichia coli K-12 MG1655. For more information, see URL


Taxonomic Lineage:
cellular organisms,
Bacteria <bacteria>,
Escherichia coli,
Escherichia coli K-12,
Escherichia coli K-12 substr. MG1655

Unification Links:

Organism or Sample Properties
Relationship to Oxygen: facultative
Temperature Range: mesophile
NCBI Genome Type: reference

Replicon Total Genes Protein Genes RNA Genes Pseudogenes Size (bp) NCBI Link
Chromosome 4,691 4,326 219 146 4,641,652 NCBI-GenBank:U00096.3
Genes without a physical map position: 2

Genes: 4,736
Pathways: 364
Enzymatic Reactions: 2,200
Transport Reactions: 530
Polypeptides: 4,466
Protein Complexes: 1,164
Enzymes: 1,713
Transporters: 480
Compounds: 2,962
Transcription Units: 3,696
tRNAs: 89
Growth Media: 438
Transcriptional Regulation: 5,601
Protein Features: 41,336
Phenotype Microarray Datasets: 5
GO Terms: 69,825
Gene Essentiality Datasets: 6

Genetic Code Number:

11 — Bacterial, Archaeal and Plant Plastid (same as Standard, except for alternate initiation codons)

PGDB Unique ID:

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Keseler21: Keseler IM, Gama-Castro S, Mackie A, Billington R, Bonavides-Martinez C, Caspi R, Kothari A, Krummenacker M, Midford PE, Muniz-Rascado L, Ong WK, Paley S, Santos-Zavaleta A, Subhraveti P, Tierrafria VH, Wolfe AJ, Collado-Vides J, Paulsen IT, Karp PD (2021). “The EcoCyc Database in 2021.” Front Microbiol 12;711077. PMID: 34394059

Report Errors or Provide Feedback

Please cite the following article in publications resulting from the use of EcoCyc: Frontiers in Microbiology 2021

Page generated by Pathway Tools version 26.0 (software by SRI International) on Tue Jun 14, 2022.

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