Protein / target

Peptidoglycan D,D-transpeptidase FtsI

ftsIP0AD68Escherichia coli (strain K12)Swiss-Prot
30
Clinical trials
3
Drugs targeting

Protein at a glance

Biological role

Serine-type D-Ala-D-Ala carboxypeptidase activity

Derived from structured UniProt, Open Targets and literature data on this page.

Protein profile

UniProt 2026_02

Canonical identity and biological annotation from UniProt.

Function

Essential cell division protein that catalyzes cross-linking of the peptidoglycan cell wall at the division septum (PubMed:1103132, PubMed:3531167, PubMed:6450748, PubMed:7030331, PubMed:9614966). Required for localization of FtsN (PubMed:9282742)

Subcellular location

Cell inner membrane
Domains and Gene Ontology detail (13)

Gene Ontology

  • Ccell division site
  • Cplasma membrane
  • Fpenicillin binding
  • Fpeptidoglycan glycosyltransferase activity
  • Fserine-type D-Ala-D-Ala carboxypeptidase activity
  • Pcell division
  • Pcell wall organization
  • Pdivision septum assembly
  • PFtsZ-dependent cytokinesis
  • Ppeptidoglycan biosynthetic process
  • Pproteolysis
  • Pregulation of cell shape

588 aa · 64 kDa

Biological roles

What this protein does, drawn together from its UniProt function, Gene Ontology terms and Reactome pathways.

ProteolysisGOImmune signallingGOMetabolic enzyme activityGO
View supporting evidence

Proteolysis

  • ·serine-type D-Ala-D-Ala carboxypeptidase activity
  • ·proteolysis

Immune signalling

  • ·FtsZ-dependent cytokinesis

Metabolic enzyme activity

  • ·peptidoglycan glycosyltransferase activity

Concepts derived from UniProt GO Reactome — each badge above shows which sources supported that role.

Drugs targeting this protein

3

Whether each drug engages this protein directly or through a complex, and how many other targets are recorded for it. Direct binders with few recorded targets are listed first.

Ampicillin
Inhibitor

Bacterial penicillin-binding protein inhibitor

Acts on a complex — shared with dacB, dacC, mrcA +3 more · 1 of 7 recorded protein targets

Amoxicillin
Inhibitor

Bacterial penicillin-binding protein inhibitor

Acts on a complex — shared with dacB, dacC, mrcA +3 more · 1 of 7 recorded protein targets

Cefiderocol
Inhibitor

Bacterial penicillin-binding protein inhibitor

Acts on a complex — shared with dacB, dacC, mrcA +3 more · 1 of 7 recorded protein targets

ChEMBL mechanism, action type and target identity. Open Targets clinical status and indications.

Clinical trials

30

Trials of drugs that target this protein — reached indirectly through those drugs, so a trial listed here studies the drug, not the protein.

Show remaining trials (24)

TERMINATED · via Amoxicillin · NCT05473234

NOT_YET_RECRUITING · via Ampicillin · NCT07563504

COMPLETED · via Amoxicillin · NCT03124420

RECRUITING · via Cefiderocol · NCT07004049

COMPLETED · via Amoxicillin · NCT03404804

ClinicalTrials.gov via the drug-target graph.

What's happening now

60

Recent activity around this target, drawn from one canonical event stream. Every item is reached through 3 drugs that target this protein, so each event is news about that drug rather than about the protein directly.

  1. Label change2026-07-17

    Label change: AMOXICILLIN AND CLAVULANATE POTASSIUM (NDA050785)

    fda · regulatory · fda · via Amoxicillin

  2. Label change2026-07-17

    Label change: AMOXICILLIN AND CLAVULANATE POTASSIUM (NDA050755)

    fda · regulatory · fda · via Amoxicillin

  3. Label change2026-07-17

    Label change: AMOXICILLIN AND CLAVULANATE POTASSIUM (NDA050720)

    fda · regulatory · fda · via Amoxicillin

  4. Label change2026-07-17

    Label change: AMOXICILLIN AND CLAVULANATE POTASSIUM (NDA050575)

    fda · regulatory · fda · via Amoxicillin

  5. Industry development2026-07-14
    Ozone based advanced oxidation for antibiotic amoxicillin removal from aqueous environment with kinetic and economic evaluation

    Nature — Environmental Sciences · news · via Amoxicillin

  6. Label change2024-12-20

    Label change: AMOXICILLIN AND CLAVULANATE POTASSIUM (NDA050785)

    fda · regulatory · fda · via Amoxicillin

  7. Label change2024-12-20

    Label change: AMOXICILLIN AND CLAVULANATE POTASSIUM (NDA050755)

    fda · regulatory · fda · via Amoxicillin

  8. Label change2024-05-01

    Label change: AMOXICILLIN AND CLAVULANATE POTASSIUM (NDA050785)

    fda · regulatory · fda · via Amoxicillin

  9. Label change2024-05-01

    Label change: AMOXICILLIN AND CLAVULANATE POTASSIUM (NDA050755)

    fda · regulatory · fda · via Amoxicillin

  10. Label change2024-05-01

    Label change: AMOXICILLIN AND CLAVULANATE POTASSIUM (NDA050720)

    fda · regulatory · fda · via Amoxicillin

  11. Label change2024-05-01

    Label change: AMOXICILLIN AND CLAVULANATE POTASSIUM (NDA050575)

    fda · regulatory · fda · via Amoxicillin

  12. Label change2022-11-02

    Label change: AMOXICILLIN AND CLAVULANATE POTASSIUM (NDA050785)

    fda · regulatory · fda · via Amoxicillin

Objective event titles are shown unmodified; the event kind and significance line are derived from structured fields. Forefront AttentionEvent stream aggregating Europe PMC Regulatory filings ClinicalTrials.gov.