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Primary-literature peptidemedium evidence

PEPDIA-PLP-001507

BP100

Aliases: BP100, BP142, BP143, BP144, BP145, BP146, BP157, BP164, BP165, BP166, BP168

Normalized sequence

KKLFKKILKYLNH

13 amino acids

Release PepDiana-V1-20260620

82

Activity records

3

Source papers

81

Positive

1

Negative / threshold

Versioned scientific descriptors

Physicochemical properties and standard representations

calculated sequence and structure

Reported properties

No separate physicochemical property was reported in the primary-literature identity record. PepDiana release values are shown as computed properties.

Computed properties

physchem-20260620

Molecular weight

1673.0961 Da

Molecular formula

C82H137N21O16

Theoretical pI

10.3015

Net charge at pH 7

4.8413

GRAVY

-0.6769

Instability index

-7.1077

Aromaticity

0.1538

Topological polar surface area

634.62 Ų

cLogP

-0.9225

Hydrogen-bond donors

22

Hydrogen-bond acceptors

22

Rotatable bonds

61

Method: PepDiana sequence/structure descriptor pipeline

Tool: Biopython+RDKit · Biopython 1.85; RDKit 2024.09.6

Calculated: 2026-06-20T11:01:38.358971+00:00

Assumptions: ph=7; termini=free N-terminus and free C-terminus for simple linear peptides; stereochemistry=standard L-amino acids; smiles_length_limit=200

Sequence representations

representations-20260620

ProForma 2.0

validated simple linear

KKLFKKILKYLNH

HELM 2.0

validated simple linear

PEPTIDE1{K.K.L.F.K.K.I.L.K.Y.L.N.H}$$$$V2.0

Canonical SMILES

validated

CCC(C)C(NC(=O)C(CCCCN)NC(=O)C(CCCCN)NC(=O)C(Cc1ccccc1)NC(=O)C(CC(C)C)NC(=O)C(CCCCN)NC(=O)C(N)CCCCN)C(=O)NC(CC(C)C)C(=O)NC(CCCCN)C(=O)NC(Cc1ccc(O)cc1)C(=O)NC(CC(C)C)C(=O)NC(CC(N)=O)C(=O)NC(Cc1c[nH]cn1)C(=O)O

Isomeric SMILES

validated

CC[C@H](C)[C@H](NC(=O)[C@H](CCCCN)NC(=O)[C@H](CCCCN)NC(=O)[C@H](Cc1ccccc1)NC(=O)[C@H](CC(C)C)NC(=O)[C@H](CCCCN)NC(=O)[C@@H](N)CCCCN)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](Cc1ccc(O)cc1)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](Cc1c[nH]cn1)C(=O)O

Paper-level observations

Experimental evidence grouped by activity

Antimicrobial 67 records

PMC11904594

32 observations
AntimicrobialAnti-BiofilmPositive observation
Record detail

Section 3.4: BP145 reduced SBF indices compared to BP607 for K. pneumoniae ATCC 43816 (Fig. 3)

Measure
biofilm_inhibition
Value
weak to moderate biofilm producer; reduced SBF indices compared to BP607
Target
Klebsiella pneumoniae
Assay
Not reported by source
Source publication
AntimicrobialAnti-BiofilmPositive observation
Record detail

Section 3.4: BP145 inhibited biofilm formation of K. pneumoniae CG258 (Fig. 3)

Measure
biofilm_inhibition
Value
weak to moderate biofilm producer; inhibited biofilm formation
Target
Klebsiella pneumoniae
Assay
Not reported by source
Source publication
AntimicrobialAntibacterialPositive observation
Record detail

Section 3.3: all three peptides were bactericidal for E. coli ESBL 1057.1 at 6 and 24h at MIC

Measure
time_kill
Value
bactericidal at MIC at 6h and 24h
Target
Escherichia coli
Assay
Not reported by source
Source publication
AntimicrobialAntibacterialPositive observation
Record detail

Section 3.3: BP145 displayed bactericidal activity at 6h but not at 24h against K. pneumoniae CG258 at MIC

Measure
time_kill
Value
bactericidal at MIC at 6h, not at 24h
Target
Klebsiella pneumoniae
Assay
Not reported by source
Source publication
AntimicrobialAntibacterialPositive observation
Record detail

Section 3.3: none of the peptides were bactericidal for A. baumannii ATCC 19606 at 6h or 24h at MIC

Measure
time_kill
Value
not bactericidal at MIC at 6h or 24h
Target
Acinetobacter baumannii
Assay
Not reported by source
Source publication

PMC11596392

30 observations

PMC3514116

5 observations
Toxicity 15 records

PMC11904594

11 observations

PMC3514116

3 observations

PMC11596392

1 observations

Citation and release provenance

Cite this identity as PepDiana record PEPDIA-PLP-001507, release PepDiana-V1-20260620. Experimental observations retain their paper, mention, and activity-record identifiers.

Record updated: 2026-06-22T07:14:26.229247+00:00