4RRP | pdb_00004rrp

Crystal Structure of the Fab complexed with antigen Asf1p, Northeast Structural Genomics Consortium (NESG) Target PdR16

External Resource: Annotation

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
Pharos: Disease Associations

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Ank, Ank_2, Ank_3, Ank_4	e4rrpA3	A: alpha arrays	X: CCHC-type 1 zinc finger	H: Retrovirus zinc finger-related domains	T: Retrovirus zinc finger-related domains	F: Ank, Ank_2, Ank_3, Ank_4	ECOD (v295.2)
G [auth D]		e4rrpD1	A: alpha arrays	X: Alpha-lytic protease prodomain-like	H: Glycosyl hydrolase domain	T: Glycosyl hydrolase domain	F:	ECOD (v295.2)
I [auth E]		e4rrpE1	A: alpha arrays	X: Alpha-lytic protease prodomain-like	H: Glycosyl hydrolase domain	T: Glycosyl hydrolase domain	F:	ECOD (v295.2)
K [auth F]		e4rrpF1	A: alpha arrays	X: Alpha-lytic protease prodomain-like	H: Glycosyl hydrolase domain	T: Glycosyl hydrolase domain	F:	ECOD (v295.2)
E [auth C]		e4rrpC1	A: alpha arrays	X: Alpha-lytic protease prodomain-like	H: Glycosyl hydrolase domain	T: Glycosyl hydrolase domain	F:	ECOD (v295.2)
C [auth B]		e4rrpB1	A: alpha arrays	X: Alpha-lytic protease prodomain-like	H: Glycosyl hydrolase domain	T: Glycosyl hydrolase domain	F:	ECOD (v295.2)
N		e4rrpN1	A: alpha arrays	X: Alpha-lytic protease prodomain-like	H: Glycosyl hydrolase domain	T: Glycosyl hydrolase domain	F:	ECOD (v295.2)
O		e4rrpO1	A: alpha arrays	X: Alpha-lytic protease prodomain-like	H: Glycosyl hydrolase domain	T: Glycosyl hydrolase domain	F:	ECOD (v295.2)
R		e4rrpR1	A: alpha arrays	X: Alpha-lytic protease prodomain-like	H: Glycosyl hydrolase domain	T: Glycosyl hydrolase domain	F:	ECOD (v295.2)
Q		e4rrpQ1	A: alpha arrays	X: Alpha-lytic protease prodomain-like	H: Glycosyl hydrolase domain	T: Glycosyl hydrolase domain	F:	ECOD (v295.2)
P		e4rrpP1	A: alpha arrays	X: Alpha-lytic protease prodomain-like	H: Glycosyl hydrolase domain	T: Glycosyl hydrolase domain	F:	ECOD (v295.2)
M		e4rrpM1	A: alpha arrays	X: Alpha-lytic protease prodomain-like	H: Glycosyl hydrolase domain	T: Glycosyl hydrolase domain	F:	ECOD (v295.2)
B [auth G]		e4rrpG1	A: alpha arrays	X: Alpha-lytic protease prodomain-like	H: Glycosyl hydrolase domain	T: Glycosyl hydrolase domain	F:	ECOD (v295.2)
F [auth I]		e4rrpI1	A: alpha arrays	X: Alpha-lytic protease prodomain-like	H: Glycosyl hydrolase domain	T: Glycosyl hydrolase domain	F:	ECOD (v295.2)
L		e4rrpL1	A: alpha arrays	X: Alpha-lytic protease prodomain-like	H: Glycosyl hydrolase domain	T: Glycosyl hydrolase domain	F:	ECOD (v295.2)
J [auth K]		e4rrpK1	A: alpha arrays	X: Alpha-lytic protease prodomain-like	H: Glycosyl hydrolase domain	T: Glycosyl hydrolase domain	F:	ECOD (v295.2)
H [auth J]		e4rrpJ1	A: alpha arrays	X: Alpha-lytic protease prodomain-like	H: Glycosyl hydrolase domain	T: Glycosyl hydrolase domain	F:	ECOD (v295.2)
D [auth H]		e4rrpH1	A: alpha arrays	X: Alpha-lytic protease prodomain-like	H: Glycosyl hydrolase domain	T: Glycosyl hydrolase domain	F:	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
G [auth D]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
I [auth E]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
K [auth F]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
E [auth C]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
C [auth B]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
N	2.60.40.1490	Mainly Beta	Sandwich	Immunoglobulin-like	Histone chaperone ASF1-like	CATH (4.3.0)
O	2.60.40.1490	Mainly Beta	Sandwich	Immunoglobulin-like	Histone chaperone ASF1-like	CATH (4.3.0)
R	2.60.40.1490	Mainly Beta	Sandwich	Immunoglobulin-like	Histone chaperone ASF1-like	CATH (4.3.0)
Q	2.60.40.1490	Mainly Beta	Sandwich	Immunoglobulin-like	Histone chaperone ASF1-like	CATH (4.3.0)
P	2.60.40.1490	Mainly Beta	Sandwich	Immunoglobulin-like	Histone chaperone ASF1-like	CATH (4.3.0)
M	2.60.40.1490	Mainly Beta	Sandwich	Immunoglobulin-like	Histone chaperone ASF1-like	CATH (4.3.0)
B [auth G]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
F [auth I]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
L	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
J [auth K]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
H [auth J]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
D [auth H]	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
A, C [auth B], E [auth C], G [auth D], I [auth E], A, C [auth B], E [auth C], G [auth D], I [auth E], K [auth F]	Fab	L-KAPPA	Homo sapiens (human)	IGKV1-3901, IGKV1D-3901, IGKJ101, IGKC01	V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA	IG	FAB-GAMMA-1_KAPPA	IMGT (202633-0)
B [auth G], D [auth H], F [auth I], H [auth J], J [auth K], B [auth G], D [auth H], F [auth I], H [auth J], J [auth K], L	Fab	VH-CH1	Homo sapiens (human)	IGHV3-6601, IGHV3-6602, IGHV3-6604, IGHJ401, IGHJ402, IGHJ403, IGHG101, IGHG102, IGHG104, IGHG105	V-DOMAIN VH, C-DOMAIN CH1	IG	FAB-GAMMA-1_KAPPA	IMGT (202633-0)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
A, C [auth B], E [auth C], G [auth D], I [auth E], A, C [auth B], E [auth C], G [auth D], I [auth E], K [auth F]	Light Chain	IGKV1	Kappa	antigen asf1p	SAbDab (2026-08-28)
B [auth G], D [auth H], F [auth I], H [auth J], J [auth K], B [auth G], D [auth H], F [auth I], H [auth J], J [auth K], L	Heavy Chain	IGHV3	-	antigen asf1p	SAbDab (2026-08-28)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
M, N, O, P, Q M, N, O, P, Q, R	PF04729	ASF1 like histone chaperone (ASF1_hist_chap)	ASF1 like histone chaperone	-	Family
B [auth G], D [auth H], F [auth I], H [auth J], J [auth K], B [auth G], D [auth H], F [auth I], H [auth J], J [auth K], L	PF07654	Immunoglobulin C1-set domain (C1-set)	Immunoglobulin C1-set domain		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, C [auth B], E [auth C], G [auth D], I [auth E], A, C [auth B], E [auth C], G [auth D], I [auth E], K [auth F]	Fab antibody, light chain	-	response to stimulus immune response immune system process adaptive immune response	cell periphery cellular anatomical structure plasma membrane membrane protein-containing complex immunoglobulin complex extracellular region
M, N, O, P, Q M, N, O, P, Q, R	Antigen Asf1p	protein binding binding histone binding enzyme regulator activity enzyme activator activity molecular function activator activity acetyltransferase activator activity molecular function regulator activity	regulation of biosynthetic process regulation of biological process regulation of cellular process biological regulation regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process regulation of gene expression biosynthetic process regulation of macromolecule biosynthetic process metabolic process cellular process macromolecule metabolic process regulation of metabolic process regulation of biosynthetic process regulation of biological process regulation of cellular process biological regulation regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process regulation of gene expression biosynthetic process regulation of macromolecule biosynthetic process metabolic process cellular process macromolecule metabolic process regulation of metabolic process negative regulation of biological process cellular component organization cellular component biogenesis cellular component assembly chromatin organization negative regulation of cellular process chromatin remodeling cellular component organization or biogenesis negative regulation of macromolecule metabolic process heterochromatin formation epigenetic regulation of gene expression negative regulation of metabolic process heterochromatin organization negative regulation of gene expression constitutive heterochromatin formation negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process silent mating-type cassette heterochromatin formation negative regulation of gene expression, epigenetic cellular component disassembly protein-containing complex organization protein-DNA complex disassembly protein-containing complex disassembly protein-DNA complex organization nucleosome disassembly nucleosome organization RNA metabolic process primary metabolic process nucleobase-containing compound biosynthetic process nucleic acid metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process cellular response to stimulus cellular response to stress response to stimulus response to stress protein-DNA complex assembly protein-containing complex assembly nucleosome assembly regulation of cell cycle phase transition regulation of cellular response to stress negative regulation of cell cycle regulation of signal transduction intracellular signal transduction cell communication regulation of cell cycle checkpoint negative regulation of cell cycle phase transition signal transduction cell cycle regulation of cell cycle process DNA integrity checkpoint signaling regulation of response to stimulus negative regulation of DNA damage checkpoint negative regulation of cell cycle checkpoint DNA damage checkpoint signaling signaling negative regulation of signaling negative regulation of intracellular signal transduction positive regulation of biological process cell cycle phase transition negative regulation of cell communication regulation of intracellular signal transduction regulation of response to stress positive regulation of cell cycle process regulation of cell cycle positive regulation of cellular process cell cycle process regulation of signaling negative regulation of response to stimulus negative regulation of cell cycle process negative regulation of signal transduction positive regulation of cell cycle cell cycle checkpoint signaling DNA damage response positive regulation of cell cycle phase transition signal transduction in response to DNA damage regulation of cell communication regulation of DNA damage checkpoint subtelomeric heterochromatin formation DNA replication-dependent chromatin assembly protein phosphorylation regulation of protein modification process regulation of protein phosphorylation phosphorylation regulation of protein metabolic process regulation of primary metabolic process macromolecule modification phosphate-containing compound metabolic process regulation of phosphorylation protein metabolic process protein modification process regulation of RNA metabolic process transcription by RNA polymerase II regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process regulation of transcription by RNA polymerase II regulation of DNA-templated transcription transcription elongation by RNA polymerase II positive regulation of DNA-templated transcription positive regulation of transcription elongation by RNA polymerase II positive regulation of macromolecule biosynthetic process positive regulation of metabolic process positive regulation of biosynthetic process positive regulation of DNA-templated transcription, elongation positive regulation of macromolecule metabolic process regulation of DNA-templated transcription elongation regulation of transcription elongation by RNA polymerase II positive regulation of transcription by RNA polymerase II positive regulation of RNA metabolic process DNA-templated transcription elongation positive regulation of RNA biosynthetic process DNA repair DNA metabolic process regulation of DNA repair regulation of DNA metabolic process	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol intracellular organelle organelle membraneless organelle intracellular membraneless organelle chromatin chromosome protein-containing complex catalytic complex transferase complex H3 histone acetyltransferase complex cellular anatomical structure intracellular anatomical structure cytoplasm cytosol intracellular organelle organelle membraneless organelle intracellular membraneless organelle chromatin chromosome protein-containing complex catalytic complex transferase complex H3 histone acetyltransferase complex histone acetyltransferase complex acetyltransferase complex protein acetyltransferase complex intracellular protein-containing complex chromosome, telomeric region chromosomal region membrane-bounded organelle nucleus intracellular membrane-bounded organelle
B [auth G], D [auth H], F [auth I], H [auth J], J [auth K], B [auth G], D [auth H], F [auth I], H [auth J], J [auth K], L	Fab antibody, heavy chain	protein-containing complex binding protein binding binding signaling receptor binding immunoglobulin receptor binding Fc-gamma receptor I complex binding antigen binding	adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains lymphocyte mediated immunity response to stimulus myeloid leukocyte mediated immunity inflammatory response to antigenic stimulus response to stress leukocyte mediated immunity antibody-dependent cellular cytotoxicity acute inflammatory response hypersensitivity defense response immune response leukocyte mediated cytotoxicity acute inflammatory response to antigenic stimulus adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains lymphocyte mediated immunity response to stimulus myeloid leukocyte mediated immunity inflammatory response to antigenic stimulus response to stress leukocyte mediated immunity antibody-dependent cellular cytotoxicity acute inflammatory response hypersensitivity defense response immune response leukocyte mediated cytotoxicity acute inflammatory response to antigenic stimulus immunoglobulin mediated immune response adaptive immune response immune effector process type II hypersensitivity immune system process type IIa hypersensitivity B cell mediated immunity cellular process inflammatory response cell killing cellular response to stimulus immune response-regulating cell surface receptor signaling pathway regulation of cellular process signaling positive regulation of biological process cell communication positive regulation of response to stimulus immune response-activating signaling pathway immune response-regulating signaling pathway positive regulation of immune response regulation of immune system process signal transduction positive regulation of immune system process regulation of biological process cell surface receptor signaling pathway immune response-activating cell surface receptor signaling pathway B cell receptor signaling pathway biological regulation regulation of response to stimulus regulation of immune response antigen receptor-mediated signaling pathway activation of immune response humoral immune response complement activation humoral immune response mediated by circulating immunoglobulin complement activation, classical pathway complement-dependent cytotoxicity biological process involved in interspecies interaction between organisms response to other organism antibacterial humoral response defense response to symbiont response to external stimulus antimicrobial humoral response response to biotic stimulus defense response to bacterium defense response to other organism response to bacterium response to external biotic stimulus	cellular anatomical structure extracellular region blood microparticle protein-containing complex extracellular protein-containing complex immunoglobulin complex, circulating immunoglobulin complex extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle organelle vesicle extracellular membrane-bounded organelle cellular anatomical structure extracellular region blood microparticle protein-containing complex extracellular protein-containing complex immunoglobulin complex, circulating immunoglobulin complex extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle organelle vesicle extracellular membrane-bounded organelle cell periphery plasma membrane membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, C [auth B], E [auth C], G [auth D], I [auth E], A, C [auth B], E [auth C], G [auth D], I [auth E], K [auth F]	IPR003597	Immunoglobulin C1-set	Domain
A, C [auth B], E [auth C], G [auth D], I [auth E], A, C [auth B], E [auth C], G [auth D], I [auth E], K [auth F]	IPR050150	Immunoglobulin Variable Light Chain	Family
A, C [auth B], E [auth C], G [auth D], I [auth E], A, C [auth B], E [auth C], G [auth D], I [auth E], K [auth F]	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A, C [auth B], E [auth C], G [auth D], I [auth E], A, C [auth B], E [auth C], G [auth D], I [auth E], K [auth F]	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
A, C [auth B], E [auth C], G [auth D], I [auth E], A, C [auth B], E [auth C], G [auth D], I [auth E], K [auth F]	IPR013106	Immunoglobulin V-set domain	Domain
A, C [auth B], E [auth C], G [auth D], I [auth E], A, C [auth B], E [auth C], G [auth D], I [auth E], K [auth F]	IPR003599	Immunoglobulin domain subtype	Domain
A, C [auth B], E [auth C], G [auth D], I [auth E], A, C [auth B], E [auth C], G [auth D], I [auth E], K [auth F]	IPR007110	Immunoglobulin-like domain	Domain
A, C [auth B], E [auth C], G [auth D], I [auth E], A, C [auth B], E [auth C], G [auth D], I [auth E], K [auth F]	IPR003006	Immunoglobulin/major histocompatibility complex, conserved site	Conserved Site
M, N, O, P, Q M, N, O, P, Q, R	IPR017282	Histone deposition protein Asf1	Family
M, N, O, P, Q M, N, O, P, Q, R	IPR036747	Histone chaperone ASF1-like superfamily	Homologous Superfamily
M, N, O, P, Q M, N, O, P, Q, R	IPR006818	Histone chaperone ASF1-like	Family
B [auth G], D [auth H], F [auth I], H [auth J], J [auth K], B [auth G], D [auth H], F [auth I], H [auth J], J [auth K], L	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
B [auth G], D [auth H], F [auth I], H [auth J], J [auth K], B [auth G], D [auth H], F [auth I], H [auth J], J [auth K], L	IPR050380	Immune Recognition and Response Modulators	Family
B [auth G], D [auth H], F [auth I], H [auth J], J [auth K], B [auth G], D [auth H], F [auth I], H [auth J], J [auth K], L	IPR003597	Immunoglobulin C1-set	Domain
B [auth G], D [auth H], F [auth I], H [auth J], J [auth K], B [auth G], D [auth H], F [auth I], H [auth J], J [auth K], L	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
B [auth G], D [auth H], F [auth I], H [auth J], J [auth K], B [auth G], D [auth H], F [auth I], H [auth J], J [auth K], L	IPR007110	Immunoglobulin-like domain	Domain
B [auth G], D [auth H], F [auth I], H [auth J], J [auth K], B [auth G], D [auth H], F [auth I], H [auth J], J [auth K], L	IPR003006	Immunoglobulin/major histocompatibility complex, conserved site	Conserved Site

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
B [auth G], D [auth H], F [auth I], H [auth J], J [auth K], B [auth G], D [auth H], F [auth I], H [auth J], J [auth K], L	: P01857	B-cell chronic lymphocytic leukemia myositis polycystic ovary syndrome plasma cell myeloma plasma cell neoplasm Sclerocystic Ovaries acquired idiopathic inflammatory myopathy lung adenocarcinoma ovarian cancer peripheral neuropathy Sjogren syndrome amyloidosis breast cancer medulloblastoma nasopharyngeal carcinoma B-cell chronic lymphocytic leukemia myositis polycystic ovary syndrome plasma cell myeloma plasma cell neoplasm Sclerocystic Ovaries acquired idiopathic inflammatory myopathy lung adenocarcinoma ovarian cancer peripheral neuropathy Sjogren syndrome amyloidosis breast cancer medulloblastoma nasopharyngeal carcinoma periodontitis interstitial cystitis myeloid neoplasm osteosarcoma peripheral nervous system disease

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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.