U.S. Department of Health & Human Services Divider Arrow National Institutes of Health Divider Arrow NCATS

Approval Year

Substance Class Protein
Created
by admin
on Wed Apr 02 13:10:12 GMT 2025
Edited
by admin
on Wed Apr 02 13:10:12 GMT 2025
Protein Sub Type
Sequence Origin HUMAN
Sequence Type COMPLETE
Record UNII
QHK6Z47GTG
Record Status FAILED
Record Version
  • Download
Name Type Language
TB500
Preferred Name English
TB-500
Code English
N-Acetyl-L-leucyl-L-lysyl-L-lysyl-L-threonyl-L-?-glutamyl-L-threonyl-L-glutamine
Common Name English
L-GLUTAMINE, N-ACETYL-L-LEUCYL-L-LYSYL-L-LYSYL-L-THREONYL-L-.ALPHA.-GLUTAMYL-L-THREONYL-
Systematic Name English
N-Acetyl-Leu-Lys-Lys-Thr-Glu-Thr-Gln
Common Name English
N-terminal acetylated 17-23 fragment of thymosin beta 4
Common Name English
Classification Tree Code System Code
WIKIPEDIA Designer-drugs-TB500
Created by admin on Wed Apr 02 13:10:12 GMT 2025 , Edited by admin on Wed Apr 02 13:10:12 GMT 2025
Code System Code Type Description
FDA UNII
QHK6Z47GTG
Created by admin on Wed Apr 02 13:10:12 GMT 2025 , Edited by admin on Wed Apr 02 13:10:12 GMT 2025
PRIMARY
CAS
885340-08-9
Created by admin on Wed Apr 02 13:10:12 GMT 2025 , Edited by admin on Wed Apr 02 13:10:12 GMT 2025
PRIMARY
PUBCHEM
62707662
Created by admin on Wed Apr 02 13:10:12 GMT 2025 , Edited by admin on Wed Apr 02 13:10:12 GMT 2025
PRIMARY
Related Record Type Details
ACTIVE MOIETY
Suspected to be used as doping agent in sport.

Structural Modifications

Modification Type Location Site Location Type Residue Modified Extent Fragment Name Fragment Approval
AMINO_ACID_SUBSTITUTION [1_1] N-TERMINUS Amount: Levacetylleucine E915HL7K2O
Name Property Type Amount Referenced Substance Defining Parameters References
Molecular Formula CHEMICAL
MOL_WEIGHT:NUMBER(CALCULATED) CHEMICAL