Peptide Libraray

NK19b

General Information

DCTPep ID DCTPep02522

Peptide Name NK19b

Sequence KILRGVSKKIMRRILTGKK

Sequence Length 19

UniProt ID Not available

PubChem CID Not available

Origin Synthetic

Type Synthetic peptide

Classification

Membrane lysis

Activity Information

Cell Line	Disease	Activity	Assay	Testing Time	Literature
HeLa	Human papillomavirus-related endocervical adenocarcinoma	Not active up to 100μg/ml	MTT assay	24 h	1

Hemolytic Activity Human erythrocytes: <5% Hemolysis=100 µg/ml

Normal (non-cancerous) Cytotoxicity Not available

Target Not available

Affinity Not available

Mechanism Not available

Structure Information

PDB ID Not available

Predicted Structure DCTPep02522

(Please note that there is the predicted structure, predicted by AlphaFold)

Helicity Not available

Linear/Cyclic Linear

Disulfide/Other Bond Not available

N-terminal Modification Free

C-terminal Modification Amidation

Other Modification None

Chiral L

Physicochemical Information

Formula C99H189N33O22S1

Absent amino acids ACDEFHNPQWY

Theoretical pI 12.32

Acidic residues 0

Basic residues 8

Polar residues 4

Molecular weight (Average) 2225.86

Molecular weight (Monoisotopic) 2224.44

Common amino acids K

Net charge 8

Instability index (II) 43.72

Aliphatic index 117.89

Grand average of hydropathicity (GRAVY) -0.426

Half Life
1.3 hours (mammalian reticulocytes, in vitro).
3 min (yeast, in vivo).
3 min (Escherichia coli, in vivo).

Extinction coefficients
Should not be visible by UV spectrophotometry.

Amino acid distribution

Literature Information

Literature 1

Pubmed ID 17389605

Title Rationale for the design of shortened derivatives of the NK-lysin-derived antimicrobial peptide NK-2 with improved activity against Gram-negative pathogens

Doi 10.1074/jbc.M608920200

Year 2007

Patent

Patent ID Not available

Patent Title Not available

Other Iinformation Not available

Other Published ID Not available

External Code

DBAASP ID DBAASPS_5055