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Protein / target

D-alanyl-D-alanine carboxypeptidase DacA

dacAP0AEB2Escherichia coli (strain K12)Swiss-Prot
30
Clinical trials
6
Drugs targeting

Protein at a glance

Biological role

Serine-type D-Ala-D-Ala carboxypeptidase

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 overview

Removes C-terminal D-alanyl residues from sugar-peptide cell wall precursors

Subcellular location

Cell inner membrane
Domains and Gene Ontology detail (13)

Gene Ontology

  • Couter membrane-bounded periplasmic space
  • Cplasma membrane
  • Fbeta-lactamase activity
  • Fcarboxypeptidase activity
  • Fpenicillin binding
  • Fprotein homodimerization activity
  • Fserine-type D-Ala-D-Ala carboxypeptidase activity
  • Pcell division
  • Pcell wall organization
  • Ppeptidoglycan biosynthetic process
  • Ppeptidoglycan metabolic process
  • Pproteolysis

403 aa · 44 kDa

Biological roles

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

ProteolysisGO
View supporting evidence

Proteolysis

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

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

Approved medicines with mapped indications

6 medicines · 12 areas

Approved therapies targeting this protein, grouped by what they are approved to treat — the disease-first view of the medicines below. Relationships come from the canonical approved-indication graph (ChEMBL phase-4), the same source as the drug cards.

Gonorrhea3 medicines
Infections3 medicines
Urinary Tract Infections3 medicines
Otitis Media2 medicines
Tonsillitis2 medicines
Eye Infections1 medicine
Meningitis1 medicine
Pneumonia1 medicine
Respiratory Tract Infections1 medicine
Sinusitis1 medicine
Soft Tissue Infections1 medicine

Approved indications from ChEMBL (phase-4), via the canonical drug→disease graph.

Drugs targeting this protein

6

How approved and investigational drugs engage this protein — mechanism and action type, direct vs complex targeting, and how broadly each acts across other targets. A drug-first view (the section above groups the approved ones disease-first); direct binders with few recorded targets are listed first.

Ampicillin
Inhibitor

Bacterial penicillin-binding protein inhibitor

Indicated for Bacterial Infections, Eye Infections, Gonorrhea, Infections

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

Amoxicillin
Inhibitor

Bacterial penicillin-binding protein inhibitor

Indicated for Bacterial Infections, Gonorrhea, Infections, Otitis Media

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

Cefiderocol
Inhibitor

Bacterial penicillin-binding protein inhibitor

Indicated for Bacterial Infections

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

cefixime
Inhibitor

Bacterial penicillin-binding protein inhibitor

Indicated for Bacterial Infections, Gonorrhea, Infections, Otitis Media

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

doripenem
Inhibitor

Bacterial penicillin-binding protein inhibitor

Indicated for Bacterial Infections, Urinary Tract Infections

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

Bacterial penicillin-binding protein inhibitor

Indicated for Bacterial Infections

Acts on a complex — shared with dacB, dacC, ftsI +3 more · 1 of 9 recorded protein targets — broad pharmacology

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

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. Ranked by active status, then clinical phase and recency, and spread across the targeting drugs.

View all trials (26)

RECRUITING · via Cefiderocol · NCT07004049

RECRUITING · via Amoxicillin · NCT06396078

ClinicalTrials.gov via the drug-target graph.

What's happening now

12

Recent therapeutic activity around this target — regulatory actions, clinical trials and safety signals for 5 drugs that target this protein, plus publications where such a drug is a genuine subject. Every item is reached indirectly through the drug, not the protein itself; incidental mentions (a paper that merely measures a drug) and press items are excluded.

  1. Trial status changed2026-07-20

    Geisinger Antibiotic Allergy Pilot Program: Assess and Address (GAAP) Penicillin Allergy De-labeling in Inpatient Setting by Performing Direct Oral Amoxicillin Challenge in Low-risk Patients

    Status changed to Terminated · ClinicalTrials.gov · via Amoxicillin

  2. Label change2026-07-17

    Label change: AMOXICILLIN AND CLAVULANATE POTASSIUM (NDA050575)

    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 (NDA050755)

    fda · regulatory · fda · via Amoxicillin

  5. Label change2026-07-17

    Label change: AMOXICILLIN AND CLAVULANATE POTASSIUM (NDA050785)

    fda · regulatory · fda · via Amoxicillin

  6. Label change2024-12-20

    Label change: AMOXICILLIN AND CLAVULANATE POTASSIUM (NDA050755)

    fda · regulatory · fda · via Amoxicillin

  7. Product recall2024-05-30

    Recall (Class II): CEFIXIME

    fda · safety · fda · via cefixime

  8. New publication2018-10-25
    Cefiderocol versus imipenem-cilastatin for the treatment of complicated urinary tract infections caused by Gram-negative uropathogens: a phase 2, randomised, double-blind, non-inferiority trial.

    The Lancet. Infectious diseases · 2018 · 311 citations · Europe PMC · via Cefiderocol

  9. New publication2018-07-20
    Antibiotic-induced microbiome depletion alters metabolic homeostasis by affecting gut signaling and colonic metabolism.

    Nature communications · 2018 · 414 citations · Europe PMC · via Ampicillin

  10. New publication2017-12-13
    Corticosteroids for pneumonia.

    The Cochrane database of systematic reviews · 2017 · 157 citations · Europe PMC · via Ampicillin

  11. New publication2016-10-05
    Management of Helicobacter pylori infection-the Maastricht V/Florence Consensus Report.

    Gut · 2017 · 1,950 citations · Europe PMC · via Amoxicillin

  12. Safety communication2014-12-11

    Drug Safety Update: Doripenem (Doribax▼): updated dosing recommendations

    mhra · safety · mhra · via doripenem

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.