5U5M | pdb_00005u5m

CRYSTAL STRUCTURE OF I83E MEDITOPE-ENABLED TRASTUZUMAB WITH AZIDO-MEDITOPE

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
IMGT Antibody Annotation
SAbDab Antibody Annotation
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Protein Modification Annotation

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
C [auth E]	SCOP2B Superfamily	Immunoglobulin-binding domains-like	8085561	3000399	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D [auth C]		e5u5mC1	A: P-loop domains-like	X: Cas7-related	H: CRISPR-associated protein Cas7f/Csy3	T: F_bP_aldolase	F:	ECOD (20:10:01)
C [auth E]		e5u5mE1	A: P-loop domains-like	X: Cas7-related	H: CRISPR-associated protein Cas7f/Csy3	T: F_bP_aldolase	F:	ECOD (20:10:01)
B		e5u5mB1	A: P-loop domains-like	X: Cas7-related	H: CRISPR-associated protein Cas7f/Csy3	T: F_bP_aldolase	F:	ECOD (20:10:01)
A		e5u5mA1	A: P-loop domains-like	X: Cas7-related	H: CRISPR-associated protein Cas7f/Csy3	T: F_bP_aldolase	F:	ECOD (20:10:01)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D [auth C]	1.20.5.420	Mainly Alpha	Up-down Bundle	Single alpha-helices involved in coiled-coils or other helix-helix interfaces	Immunoglobulin FC, subunit C	CATH (4.3.0)
C [auth E]	3.10.20.10	Alpha Beta	Roll	Ubiquitin-like (UB roll)		CATH (4.3.0)
B	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
A	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)

IMGT Antibody Annotation IMGT Database Homepage

Chain	Protein Name	Description	Organism Name	Gene Allele Name(s)	Domain Name(s)	Receptor Type	Receptor Description	Provenance Source
B	Fab Memab trastuzumab	VH-CH1	Homo sapiens (human)	IGHV3-6601, IGHV3-6602, IGHV3-6604, IGHJ401, IGHJ402, IGHJ403, IGHG101, IGHG102, IGHG104, IGHG105, IGHG112, IGHG114, IGHG113, IGHG109, IGHG110, IGHG107, IGHG1*11	V-DOMAIN VH, C-DOMAIN CH1	IG	FAB-GAMMA-1_KAPPA	IMGT (202609-0)
A	Fab Memab trastuzumab	L-KAPPA	Homo sapiens (human)	IGKV1-3901, IGKV1D-3901, IGKJ101, IGKJ401, IGKJ402, IGKC01	V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA	IG	FAB-GAMMA-1_KAPPA	IMGT (202609-0)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B	Heavy Chain	IGHV3	-	immunoglobulin g binding protein a \| protein l	SAbDab (2026-03-13)
A	Light Chain	IGKV1	Kappa	immunoglobulin g binding protein a \| protein l	SAbDab (2026-03-13)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
D [auth C]	PF02216	B domain (B)	B domain	This family contains the B domain of Staphylococcal protein A, which specifically binds to the Fc portion of immunoglobulin G.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
E [auth D]	AZIDO-PEG4-MEDITOPE	-	-	-
D [auth C]	Immunoglobulin G binding protein A	protein-containing complex binding binding immunoglobulin binding IgG binding	symbiont-mediated suppression of host signal transduction pathway symbiont-mediated perturbation of host cellular process biological process involved in interspecies interaction between organisms symbiont-mediated suppression of host signal transduction pathway via antagonism of host cell surface receptor symbiont-mediated perturbation of host process symbiont-mediated perturbation of host signal transduction pathway modulation of process of another organism biological process involved in interaction with host biological process involved in symbiotic interaction	cellular anatomical structure extracellular region
C [auth E]	Protein L	protein-containing complex binding binding immunoglobulin binding IgG binding	-	-
B	MEMAB TRASTUZUMAB, HEAVY CHAIN	-	-	-
A	MEMAB TRASTUZUMAB, LIGHT CHAIN	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
D [auth C]	IPR009063	Immunoglobulin/albumin-binding domain superfamily	Homologous Superfamily
D [auth C]	IPR005877	YSIRK Gram-positive signal peptide	Domain
D [auth C]	IPR036779	LysM domain superfamily	Homologous Superfamily
D [auth C]	IPR005038	Octapeptide repeat	Repeat
D [auth C]	IPR003132	Protein A, Ig-binding domain	Domain
D [auth C]	IPR018392	LysM domain	Domain
D [auth C]	IPR019931	LPXTG cell wall anchor motif	Conserved Site
C [auth E]	IPR009063	Immunoglobulin/albumin-binding domain superfamily	Homologous Superfamily
C [auth E]	IPR020840	Extracellular matrix-binding protein ebh, GA module	Domain
C [auth E]	IPR003147	Protein L, Ig light chain-binding	Repeat
C [auth E]	IPR040912	Repeat of unknown function DUF5633	Repeat
C [auth E]	IPR002988	Protein G-related albumin-binding (GA) module	Domain
C [auth E]	IPR035152	GA-like domain	Domain
C [auth E]	IPR019931	LPXTG cell wall anchor motif	Conserved Site

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
E [auth D]	2GX	Parent Component: PHE
E [auth D]	56C
E [auth D]	ACE	RESID: AA0041 , AA0042 , AA0043 , AA0044 , AA0045 , AA0046 , AA0049 , AA0050 , AA0051 , AA0052 , AA0053 , AA0054 , AA0354 PSI-MOD : 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

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.