Annotations: 5YE4

Crystal structure of the complex of di-acetylated histone H4 and 1A9D7 Fab fragment

External Resource: Annotation

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

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D		e5ye4D1	A: beta barrels	X: Surp module (SWAP domain)	H: gp11/gp12 receptor-binding domain	T: gp11/gp12 receptor-binding domain	F:	ECOD (v294.2)
B		e5ye4B1	A: beta barrels	X: Surp module (SWAP domain)	H: gp11/gp12 receptor-binding domain	T: gp11/gp12 receptor-binding domain	F:	ECOD (v294.2)
C		e5ye4C1	A: beta barrels	X: Surp module (SWAP domain)	H: gp11/gp12 receptor-binding domain	T: gp11/gp12 receptor-binding domain	F:	ECOD (v294.2)
A		e5ye4A1	A: beta barrels	X: Surp module (SWAP domain)	H: gp11/gp12 receptor-binding domain	T: gp11/gp12 receptor-binding domain	F:	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
B	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
C	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
A	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)

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, D	Fab 1A9D7	L-KAPPA	Mus musculus (house mouse)	IGKV19-9301, IGKV19-9302, IGKJ101, IGKJ201, IGKC01, IGKC02	V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA	IG	FAB-GAMMA-2B_KAPPA	IMGT (202617-0)
A, C	Fab 1A9D7	VH-CH1	Mus musculus (house mouse)	IGHV9-2-101, IGHJ201, IGHG2B*02	V-DOMAIN VH, C-DOMAIN CH1	IG	FAB-GAMMA-2B_KAPPA	IMGT (202617-0)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B, D	Light Chain	IGKV19	Kappa	di-acetylated histone h4	SAbDab (2026-05-08)
A, C	Heavy Chain	IGHV9	-	di-acetylated histone h4	SAbDab (2026-05-08)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
E, F	di-acetylated histone H4	DNA binding binding nucleic acid binding protein heterodimerization activity protein binding protein dimerization activity RNA binding structural molecule activity structural constituent of chromatin	protein-containing complex organization protein-DNA complex assembly cellular component organization protein-DNA complex organization cellular component biogenesis cellular component assembly chromatin organization protein-containing complex assembly chromatin remodeling cellular process cellular component organization or biogenesis nucleosome assembly nucleosome organization organelle organization protein-containing complex organization protein-DNA complex assembly cellular component organization protein-DNA complex organization cellular component biogenesis cellular component assembly chromatin organization protein-containing complex assembly chromatin remodeling cellular process cellular component organization or biogenesis nucleosome assembly nucleosome organization organelle organization telomere organization chromosome organization localization protein localization to chromatin protein localization to chromosome protein localization to chromosome, centromeric region protein localization to organelle macromolecule localization protein localization to CENP-A containing chromatin intracellular protein localization multicellular organismal process regulation of cellular process regulation of developmental process cellular developmental process regulation of megakaryocyte differentiation negative regulation of biological process cell development megakaryocyte differentiation regulation of cell differentiation regulation of cell development multicellular organism development negative regulation of megakaryocyte differentiation cell differentiation negative regulation of cellular process anatomical structure development negative regulation of cell differentiation regulation of immune system process regulation of multicellular organismal process developmental process regulation of biological process regulation of multicellular organismal development negative regulation of developmental process hemopoiesis regulation of myeloid cell differentiation biological regulation negative regulation of myeloid cell differentiation myeloid cell differentiation immune system process regulation of hemopoiesis	cellular anatomical structure membrane extracellular region extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle organelle vesicle extracellular membrane-bounded organelle protein-containing complex intracellular anatomical structure CENP-A containing chromatin protein-DNA complex cellular anatomical structure membrane extracellular region extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle organelle vesicle extracellular membrane-bounded organelle protein-containing complex intracellular anatomical structure CENP-A containing chromatin protein-DNA complex intracellular membraneless organelle nucleosome chromosome chromatin chromosomal region intracellular organelle chromosome, centromeric core domain CENP-A containing nucleosome membraneless organelle chromosome, centromeric region chromosome, telomeric region nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen
B, D	1A9D7 L chain	-	-	-
A, C	1A9D7 VH CH1 chain	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
E, F	IPR009072	Histone-fold	Homologous Superfamily
E, F	IPR035425	CENP-T/Histone H4, histone fold	Domain
E, F	IPR001951	Histone H4	Family
E, F	IPR019809	Histone H4, conserved site	Conserved Site
E, F	IPR004823	TATA box binding protein associated factor (TAF), histone-like fold domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
E, F	: P62805	lung carcinoma Malignant neoplasm of breast non-small cell lung carcinoma Pick disease squamous cell lung carcinoma acute myeloid leukemia atypical teratoid rhabdoid tumor breast carcinoma ductal breast carcinoma in situ exocrine pancreatic carcinoma hepatocellular carcinoma lung adenocarcinoma malignant colon neoplasm malignant pancreatic neoplasm osteoarthritis lung carcinoma Malignant neoplasm of breast non-small cell lung carcinoma Pick disease squamous cell lung carcinoma acute myeloid leukemia atypical teratoid rhabdoid tumor breast carcinoma ductal breast carcinoma in situ exocrine pancreatic carcinoma hepatocellular carcinoma lung adenocarcinoma malignant colon neoplasm malignant pancreatic neoplasm osteoarthritis pilocytic astrocytoma ulcerative colitis allergic rhinitis autism spectrum disorder cystic fibrosis endogenous depression glioblastoma hypertensive disorder lung cancer malignant mesothelioma multiple sclerosis osteosarcoma psoriasis astrocytic tumor breast cancer diabetes mellitus endometriosis gout invasive ductal breast carcinoma

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
E, F	ALY	Parent Component: LYS : AA0055 : N6-acetyl-L-lysine MOD:00064

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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.