BBI(Bowman-Birk type proteinase inhibitor)

General Information


DCTPep ID  DCTPep00228

Peptide Name   BBI(Bowman-Birk type proteinase inhibitor)

Sequence  DDESSKPCCDQCACTKSNPPQCRCSDMRLNSCHSACKSCICALSYPAQCFCVDITDFCYEPCKPSEDDKEN

Sequence Length  71

UniProt ID  Not available

PubChem CID  Not available

Origin  Glycine max

Type  Native peptide

Classification

  

ACP Tumor active peptide



Activity Information


Cell Line Disease Activity Assay Testing Time Literature
HT-29 Colon adenocarcinoma IC50=48.3±3.5µM NR uptake assay 24-96h 1

Hemolytic Activity  Not available

Normal (non-cancerous) Cytotoxicity  Not available

Target  Not available

Affinity  Not available

Mechanism  Not available



Structure Information


PDB ID  Not available

Predicted Structure  DCTPep00228

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

Helicity  Not available

Linear/Cyclic  Cyclic

Disulfide/Other Bond  Cys8<--->Cys62; Cys9<--->Cys24; Cys12<--->Cys58; Cys14<--->Cys22; Cys32<--->Cys39; Cys36<--->Cys51; Cys41<--->Cys49

N-terminal Modification  Free

C-terminal Modification  Free

Other Modification  None

Chiral  L



Physicochemical Information


Formula  C316H492N90O115S15

Absent amino acids  GW

Theoretical pI  4.51

Acidic residues  12

Basic residues  8

Polar residues  30

Molecular weight (Average)  7872.82

Molecular weight (Monoisotopic)  7867.12

Common amino acids  C

Net charge  -4

Instability index (II)  54.07

Aliphatic index  31.69

Grand average of hydropathicity (GRAVY)  -0.634

Half Life 
  1.1 hours (mammalian reticulocytes, in vitro).
  3 min (yeast, in vivo).
  >10 hours (Escherichia coli, in vivo).

Extinction coefficients 
  Ext. coefficient 3855
  Abs 0.1% (=1 g/l) 0.490, assuming all pairs of Cys residues form cystines
  Ext. coefficient 2980
  Abs 0.1% (=1 g/l) 0.379, assuming all Cys residues are reduced

Amino acid distribution



Literature Information


Literature 1

Pubmed ID 19885848

Title  The cytotoxic effect of Bowman-Birk isoinhibitors, IBB1 and IBBD2, from soybean (Glycine max) on HT29 human colorectal cancer cells is related to their intrinsic ability to inhibit serine proteases

Doi  10.1002/mnfr.200900122

Year  2010

Patent

Patent ID Not available

Patent Title  Not available

Other Iinformation  Not available

Other Published ID  Not available




DCTPep is developed by Dr.Zheng's team.