ProForma 2.0
validated simple linear
KKLFKKILKYLNH
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
No separate physicochemical property was reported in the primary-literature identity record. PepDiana release values are shown as computed properties.
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
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
Table 3: BP145 MIC 50 µg/ml against S. aureus ATCC 29213
Table 3: BP145 MBC 50 µg/ml against S. aureus ATCC 29213
Table 3: BP145 MIC 50 µg/ml against S. aureus MRSA USA 300
Table 3: BP145 MBC 50 µg/ml against S. aureus MRSA USA 300
Table 3: BP145 MIC 50 µg/ml against P. aeruginosa ATCC 27853
Table 3: BP145 MBC 50 µg/ml against P. aeruginosa ATCC 27853
Table 3: BP145 MIC 50 µg/ml against P. aeruginosa ST175-1
Table 3: BP145 MBC 50 µg/ml against P. aeruginosa ST175-1
Table 3: BP145 MIC 6.25 µg/ml against A. baumannii ATCC 19606
Table 3: BP145 MBC 12.5 µg/ml against A. baumannii ATCC 19606
Table 3: BP145 MIC 25 µg/ml against A. baumannii IB010
Table 3: BP145 MBC 25 µg/ml against A. baumannii IB010
Table 3: BP145 MIC 12.5 µg/ml against A. baumannii Ab-1
Table 3: BP145 MBC 12.5 µg/ml against A. baumannii Ab-1
Table 3: BP145 MIC 25 µg/ml against K. pneumoniae ATCC 43816
Table 3: BP145 MBC 25 µg/ml against K. pneumoniae ATCC 43816
Table 3: BP145 MIC 12.5 µg/ml against K. pneumoniae CG258
Table 3: BP145 MBC 12.5 µg/ml against K. pneumoniae CG258
Table 3: BP145 MIC 6.25 µg/ml against E. coli ATCC 25922
Table 3: BP145 MBC 6.25 µg/ml against E. coli ATCC 25922
Table 3: BP145 MIC 12.5 µg/ml against E. coli ESBL 1057.1
Table 3: BP145 MBC 12.5 µg/ml against E. coli ESBL 1057.1
Section 3.4: BP145 reduced SBF indices compared to BP607 for K. pneumoniae ATCC 43816 (Fig. 3)
Section 3.4: BP145 inhibited biofilm formation of K. pneumoniae CG258 (Fig. 3)
Section 3.3: BP145 was bactericidal at 2x MIC after 24h against K. pneumoniae CG258
Section 3.3: all three peptides were bactericidal for E. coli ESBL 1057.1 at 6 and 24h at MIC
Section 3.3: BP145 displayed bactericidal activity at 6h but not at 24h against K. pneumoniae CG258 at MIC
Section 3.3: none of the peptides were bactericidal for A. baumannii ATCC 19606 at 6h or 24h at MIC
Section 3.1: BP145 inhibited growth of all strains by ≈90% at 50 µg/ml
Section 3.1: BP146 reduced at least 89% growth in all strains except for P. aeruginosa ST175-1
Section 3.1: BP143 had ≥83% growth inhibition for all Gram-negative strains tested
Section 3.5: BP145 showed 35% peptide remaining after 60 min in human serum
Table 2: S. aureus (KCTC 1621) MIC = 4 μM for BP100.
Table 2: S. epidermidis (KCTC 1917) MIC = 4 μM for BP100.
Table 2: B. subtilis (KCTC 3068) MIC = 8 μM for BP100.
Table 2: MRSA (CCARM 3089) MIC = 32 μM for BP100.
Table 2: MRSA (CCARM 3090) MIC = 64 μM for BP100.
Table 2: E. coli (KCTC 1682) MIC = 4 μM for BP100.
Table 2: P. aeruginosa (KCTC 1637) MIC = 16 μM for BP100.
Table 2: S. typhimurium (KCTC 1926) MIC = 4 μM for BP100.
Table 2: MDRPA (CCARM 2095) MIC = 32 μM for BP100.
Table 2: MDRPA (CCARM 2109) MIC = 16 μM for BP100.
Table 3: BP100 MBIC50 = 4–8 μM against MDRPA.
Table 3: BP100 MBIC90 = 8 μM against MDRPA.
Table 3: BP100 MBEC50 = 16–32 μM against MDRPA.
Table 3: BP100 MBEC90 = 32 μM against MDRPA.
Table 4: E. coli control MIC = 4 μM for BP100.
Table 4: E. coli MIC = 16 μM for BP100 in 150 mM NaCl.
Table 4: E. coli MIC = 16 μM for BP100 in 4.5 mM KCl.
Table 4: E. coli MIC = 16 μM for BP100 in 6 μM NH4Cl.
Table 4: E. coli MIC = 16 μM for BP100 in 1 mM MgCl2.
Table 4: E. coli MIC = 16 μM for BP100 in 2.5 mM CaCl2.
Table 4: E. coli MIC = 16 μM for BP100 in 4 μM FeCl3.
Table 4: E. coli MIC = 16 μM for BP100 in 10% human serum.
Table 4: S. aureus control MIC = 4 μM for BP100.
Table 4: S. aureus MIC = 16 μM for BP100 in 150 mM NaCl.
Table 4: S. aureus MIC = 16 μM for BP100 in 4.5 mM KCl.
Table 4: S. aureus MIC = 16 μM for BP100 in 6 μM NH4Cl.
Table 4: S. aureus MIC = 16 μM for BP100 in 1 mM MgCl2.
Table 4: S. aureus MIC = 16 μM for BP100 in 2.5 mM CaCl2.
Table 4: S. aureus MIC = 16 μM for BP100 in 4 μM FeCl3.
Table 4: S. aureus MIC = 32 μM for BP100 in 10% human serum.
Table 1: BP100 MIC against Ea 2.5 - 5.0 μM
Table 1: BP100 MIC against Pss 2.5 - 5.0 μM
Table 1: BP100 MIC against Xav 5.0 - 10 μM
Table 1: BP100 MIC against Dc 5-10 μM
Table 1: BP100 MIC against Fv <2.5 μM
Table 1: BP145 hemolysis 27±0.7% at 150 µM
Table 1: BP142 hemolysis 0±0.5% at 150 µM
Table 1: BP143 hemolysis 2±2.0% at 150 µM
Table 1: BP144 hemolysis 2±2.0% at 150 µM
Table 1: BP146 hemolysis 23±2.0% at 150 µM
Table 1: BP157 hemolysis 0±0.7% at 150 µM
Table 1: BP164 hemolysis 0±0.5% at 150 µM
Table 1: BP165 hemolysis 1±0.5% at 150 µM
Table 1: BP166 hemolysis 0±0% at 150 µM
Table 1: BP168 hemolysis 1±1.2% at 150 µM
Section 3.6: BP145 presented less toxicity than colistin with 70% survival after 24h (Fig. 5B)
Table 1: BP100 phytotoxicity (germination) 64 μM
Table 1: BP100 phytotoxicity (inoculation) 0.90 ± 0.05 cm
Table 1: BP100 hemolytic activity 22.0 ± 2.8%
Table 2: HC10 >256 μM for BP100 (no detectable hemolysis at 256 μM).
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