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 5HPM | pdb_00005hpm

Cetuximab Fab in complex with cyclic linked meditope

External Resource: Annotation


Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
DRRM_1e5hpmD1 A: alpha arraysX: beta-propeller-likeH: beta-propellerT: 9-bladedF: RRM_1ECOD (v295.2)
BRRM_1e5hpmB1 A: alpha arraysX: beta-propeller-likeH: beta-propellerT: 9-bladedF: RRM_1ECOD (v295.2)
CRRM_1e5hpmC1 A: alpha arraysX: beta-propeller-likeH: beta-propellerT: 9-bladedF: RRM_1ECOD (v295.2)
ARRM_1e5hpmA1 A: alpha arraysX: beta-propeller-likeH: beta-propellerT: 9-bladedF: RRM_1ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
D2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
B2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
C2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
A2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)

IMGT Antibody Annotation IMGT Database Homepage

ChainProtein NameDescriptionOrganism NameGene Allele Name(s)Domain Name(s)Receptor TypeReceptor DescriptionProvenance Source
B, D
cetuximab Fab VH-CH1 Chimeric (chimeric) IGHV2-2*03, IGHJ3*01, IGHG1*03 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-1_KAPPA IMGT (202637-0)
A, C
cetuximab Fab L-KAPPA Chimeric (chimeric) IGKV5-48*01, IGKJ5*01, IGKC*01 V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA IG FAB-GAMMA-1_KAPPA IMGT (202637-0)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
B, D
Heavy ChainIGHV2 --SAbDab (2026-09-25)
A, C
Light ChainIGKV5 Kappa-SAbDab (2026-09-25)

Thera-SAbDab Antibody Annotation Thera-SAbDab Database Homepage

ChainNameTargetProvenance Source
B, D
 Izalontamab EGFR/ERBB1/HER1, ERBB3/HER3Therapeutic SAbDab (2026-09-25)
A, C
 Tomuzotuximab EGFR/ERBB1/HER1, ERBB3/HER3Therapeutic SAbDab (2026-09-25)

Protein Modification Annotation

Modified Residue(s)
ChainResidue(s)Description
E, F
ACE :  AA0041 , AA0042 , AA0043 , AA0044 , AA0045 , AA0046 , AA0049 , AA0050 , AA0051 , AA0052 , AA0053 , AA0054 , AA0354

:  N-acetyl-L-alanine MOD:00050 , N-acetyl-L-aspartic acid MOD:00051 , N-acetyl-L-cysteine MOD:00052 , N-acetyl-S-archeol-cysteine MOD:00897 , N-acetyl-L-glutamic acid MOD:00053 , N-acetyl-L-glutamine MOD:00054 , N-acetylglycine MOD:00055 , N-acetyl-L-methionine MOD:00058 , N-acetyl-L-proline MOD:00059 , N-acetyl-L-serine MOD:00060 , N,O-diacetylated L-serine MOD:00648 , N-acetyl-L-threonine MOD:00061 , N-acetyl-L-tyrosine MOD:00062 , N-acetyl-L-valine MOD:00063 , N2-acetyl-L-arginine MOD:00359