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 12:20:14 GMT 2025
Edited
by admin
on Wed Apr 02 12:20:14 GMT 2025
Protein Type FC FUSION PROTEIN
Protein Sub Type IGG1
Sequence Origin HUMANIZED MOUSE
Sequence Type COMPLETE
Record UNII
Y114QW0F16
Record Status Validated (UNII)
Record Version
  • Download
Name Type Language
LLF-580
Preferred Name English
Efimosfermin Alfa
INN  
Official Name English
Fc fragment of human immunoglobulin G1 (1-227) [Homo sapiens IGHG1*03 (hinge (1-10), CH2 L<sup>14</sup>>A, L<sup>15</sup> >A (11-120), CH3 (121-226), CHS (226-227))] fused via peptide linker <sup>228</sup>GS<sup>229</sup> to human fibroblast growth facto
Common Name English
LLF580
Code English
Immunoglobulin G1 [14-alanine,15-alanine] (human ?1-chain C region C-terminal fragment) fusion protein with peptide linker (GS) fusion protein with 5-181-fibroblast growth factor 21 [27-cysteine,120-cysteine] (human), dimer
Common Name English
efimosfermin alfa [INN]
Common Name English
Code System Code Type Description
NCI_THESAURUS
C206904
Created by admin on Wed Apr 02 12:20:14 GMT 2025 , Edited by admin on Wed Apr 02 12:20:14 GMT 2025
PRIMARY
INN
13045
Created by admin on Wed Apr 02 12:20:14 GMT 2025 , Edited by admin on Wed Apr 02 12:20:14 GMT 2025
PRIMARY
FDA UNII
Y114QW0F16
Created by admin on Wed Apr 02 12:20:14 GMT 2025 , Edited by admin on Wed Apr 02 12:20:14 GMT 2025
PRIMARY
CAS
2765640-39-7
Created by admin on Wed Apr 02 12:20:14 GMT 2025 , Edited by admin on Wed Apr 02 12:20:14 GMT 2025
PRIMARY
SMS_ID
300000054781
Created by admin on Wed Apr 02 12:20:14 GMT 2025 , Edited by admin on Wed Apr 02 12:20:14 GMT 2025
PRIMARY
From To
1_41 1_101
1_147 1_205
1_252 1_345
1_300 1_318
1_6 2_6
1_9 2_9
2_41 2_101
2_147 2_205
2_252 2_345
2_300 2_318
Glycosylation Type MAMMALIAN
Glycosylation Link Type Site
N 1_77
N 2_77
Related Record Type Details
ACTIVE MOIETY
Name Property Type Amount Referenced Substance Defining Parameters References
MOL_WEIGHT:NUMBER(CALCULATED) CHEMICAL
Molecular Formula CHEMICAL