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 11:47:26 GMT 2025
Edited
by admin
on Wed Apr 02 11:47:26 GMT 2025
Protein Type MONOCLONAL ANTIBODY
Protein Sub Type IGG1
Sequence Type COMPLETE
Record UNII
8FUE2D4G82
Record Status Validated (UNII)
Record Version
  • Download
Name Type Language
Immunoglobulin G1 [241-aspartic acid,334-glutamic acid], anti-(human cytotoxic T-lymphocyte-associated protein 4) (human-Rattus norvegicus monoclonal XTX101 ?1-chain), disulfide with prodomain protein (synthetic masking moiety and protease-cleavable moie
Preferred Name English
Vilastobart
INN   USAN  
Official Name English
vilastobart [INN]
Common Name English
XTX-101
Code English
XTX101
Code English
VILASTOBART [USAN]
Common Name English
gamma1 heavy chain humanized (1-449) [VH (Homo sapiens IGHV1-69*08 (84.7%) -(IGHD) -IGHJ4*01 (92.9%), CDR-IMGT[8.8.12] (26-33.51-58.97-108)) (1-119) -Homo sapiens IGHG1*01, G1m17,1 CH1 K120, D12, L14, G1v7 CH2 D3, E117 (CH1 K120 (216) (120-217), hinge 1-
Common Name English
CTLA4 (cytotoxic T-lymphocyte associated protein 4, CTLA-4, CD152)], humanized monoclonal antibody; gamma1 heavy chain humanized (1-449) [VH (Homo sapiens IGHV1-69*08 (84.7%) -(IGHD) -IGHJ4*01 (92.9%), CDR-IMGT [8.8.12] (26-33.51-58.97-108)) (1-119) -Hom
Systematic Name English
Code System Code Type Description
NCI_THESAURUS
C203034
Created by admin on Wed Apr 02 11:47:26 GMT 2025 , Edited by admin on Wed Apr 02 11:47:26 GMT 2025
PRIMARY
USAN
MN-226
Created by admin on Wed Apr 02 11:47:26 GMT 2025 , Edited by admin on Wed Apr 02 11:47:26 GMT 2025
PRIMARY
CAS
2760549-50-4
Created by admin on Wed Apr 02 11:47:26 GMT 2025 , Edited by admin on Wed Apr 02 11:47:26 GMT 2025
PRIMARY
INN
12761
Created by admin on Wed Apr 02 11:47:26 GMT 2025 , Edited by admin on Wed Apr 02 11:47:26 GMT 2025
PRIMARY
SMS_ID
300000051898
Created by admin on Wed Apr 02 11:47:26 GMT 2025 , Edited by admin on Wed Apr 02 11:47:26 GMT 2025
PRIMARY
FDA UNII
8FUE2D4G82
Created by admin on Wed Apr 02 11:47:26 GMT 2025 , Edited by admin on Wed Apr 02 11:47:26 GMT 2025
PRIMARY
From To
4_161 4_221
4_51 4_115
4_2 4_10
3_161 3_221
3_51 3_115
3_2 3_10
2_369 2_427
2_263 2_323
2_222 4_241
2_146 2_202
2_22 2_96
1_369 1_427
1_263 1_323
1_231 2_231
1_228 2_228
1_222 3_241
1_146 1_202
1_22 1_96
Glycosylation Type MAMMALIAN
Glycosylation Link Type Site
N 1_299
N 2_299
Related Record Type Details
ACTIVE MOIETY

Structural Modifications

Modification Type Location Site Location Type Residue Modified Extent Fragment Name Fragment Approval
AMINO ACID REMOVAL [1_449] [2_449] C-TERMINUS LYSINE K3Z4F929H6
AMINO_ACID_SUBSTITUTION [1_1] [2_1] N-TERMINUS Amount: PIDOLIC ACID SZB83O1W42
Name Property Type Amount Referenced Substance Defining Parameters References
MOL_WEIGHT:NUMBER(CALCULATED) CHEMICAL
Molecular Formula CHEMICAL
MOL_WEIGHT:NUMBER(CALCULATED) CHEMICAL
MOL_WEIGHT:NUMBER(CALCULATED) CHEMICAL