Annotations: 6R2V

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
C	SCOP2B Superfamily	Core histone-like	8084788	3001387	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Core histone-like	8096394	3001387	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)
C		e6r2vC1	A: a/b three-layered sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F:	ECOD (v294.1)
B		e6r2vB1	A: a/b three-layered sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F:	ECOD (v294.1)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
C	PF00125	Core histone H2A/H2B/H3/H4 domain (Histone)	Core histone H2A/H2B/H3/H4 domain		Domain
B	PF00808	Histone-like transcription factor (CBF/NF-Y) and archaeal histone (CBFD_NFYB_HMF)	Histone-like transcription factor (CBF/NF-Y) and archaeal histone	This family includes archaebacterial histones and histone like transcription factors from eukaryotes.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
E [auth J]	FT (-5kb) CCAAT-box 3'	-	-	-
D [auth I]	FT (-5kb) CCAAT-box 5'	-	-	-
C	NF-YC3	DNA-binding transcription factor activity, RNA polymerase II-specific transcription regulator activity DNA-binding transcription factor activity DNA binding sequence-specific DNA binding sequence-specific double-stranded DNA binding transcription cis-regulatory region binding binding double-stranded DNA binding nucleic acid binding transcription regulatory region nucleic acid binding transcription coregulator activity protein heterodimerization activity protein binding DNA-binding transcription factor activity, RNA polymerase II-specific transcription regulator activity DNA-binding transcription factor activity DNA binding sequence-specific DNA binding sequence-specific double-stranded DNA binding transcription cis-regulatory region binding binding double-stranded DNA binding nucleic acid binding transcription regulatory region nucleic acid binding transcription coregulator activity protein heterodimerization activity protein binding protein dimerization activity	developmental process multicellular organismal process regulation of multicellular organismal development regulation of biological process regulation of developmental process biological regulation regulation of seedling development seed germination seedling development multicellular organism development regulation of post-embryonic development regulation of seed germination anatomical structure development post-embryonic development developmental process multicellular organismal process regulation of multicellular organismal development regulation of biological process regulation of developmental process biological regulation regulation of seedling development seed germination seedling development multicellular organism development regulation of post-embryonic development regulation of seed germination anatomical structure development post-embryonic development regulation of multicellular organismal process cellular response to stimulus cellular response to gibberellin stimulus regulation of cellular process response to lipid response to stimulus signaling hormone-mediated signaling pathway cell communication response to gibberellin cellular response to endogenous stimulus response to hormone signal transduction cellular response to hormone stimulus gibberellin mediated signaling pathway response to endogenous stimulus gibberellic acid mediated signaling pathway response to oxygen-containing compound cellular response to oxygen-containing compound cellular response to chemical stimulus response to chemical cellular response to lipid cellular process photoperiodism, flowering response to light stimulus reproductive system development reproductive process vegetative to reproductive phase transition of meristem developmental process involved in reproduction photoperiodism long-day photoperiodism, flowering reproductive structure development response to radiation response to abiotic stimulus long-day photoperiodism system development abscisic acid-activated signaling pathway cellular response to abscisic acid stimulus response to abscisic acid response to alcohol cellular response to alcohol RNA metabolic process regulation of primary metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process DNA-templated transcription 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 biosynthetic process primary metabolic process regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process regulation of gene expression biosynthetic process metabolic process regulation of macromolecule biosynthetic process regulation of DNA-templated transcription macromolecule metabolic process regulation of metabolic process positive regulation of biological process regulation of response to red or far red light response to red or far red light positive regulation of response to stimulus positive regulation of developmental process photomorphogenesis positive regulation of photomorphogenesis regulation of response to stimulus positive regulation of multicellular organismal process regulation of photomorphogenesis positive regulation of post-embryonic development	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure organelle nucleus intracellular membrane-bounded organelle
B	NF-YB2	DNA-binding transcription factor activity, RNA polymerase II-specific transcription regulator activity DNA-binding transcription factor activity DNA binding sequence-specific DNA binding sequence-specific double-stranded DNA binding transcription cis-regulatory region binding binding double-stranded DNA binding nucleic acid binding transcription regulatory region nucleic acid binding transcription coregulator activity protein heterodimerization activity protein binding DNA-binding transcription factor activity, RNA polymerase II-specific transcription regulator activity DNA-binding transcription factor activity DNA binding sequence-specific DNA binding sequence-specific double-stranded DNA binding transcription cis-regulatory region binding binding double-stranded DNA binding nucleic acid binding transcription regulatory region nucleic acid binding transcription coregulator activity protein heterodimerization activity protein binding protein dimerization activity DNA-binding transcription activator activity, RNA polymerase II-specific DNA-binding transcription activator activity	response to acid chemical response to stimulus response to stress response to chemical response to oxygen-containing compound response to abiotic stimulus response to water response to water deprivation photoperiodism, flowering developmental process response to light stimulus multicellular organismal process reproductive system development reproductive process response to acid chemical response to stimulus response to stress response to chemical response to oxygen-containing compound response to abiotic stimulus response to water response to water deprivation photoperiodism, flowering developmental process response to light stimulus multicellular organismal process reproductive system development reproductive process vegetative to reproductive phase transition of meristem developmental process involved in reproduction multicellular organism development photoperiodism long-day photoperiodism, flowering anatomical structure development reproductive structure development post-embryonic development response to radiation long-day photoperiodism system development regulation of cellular process RNA metabolic process regulation of primary metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process DNA-templated transcription 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 biosynthetic process regulation of biological process biological regulation primary metabolic process regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process regulation of gene expression biosynthetic process cellular process metabolic process regulation of macromolecule biosynthetic process regulation of DNA-templated transcription macromolecule metabolic process regulation of metabolic process	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure plastid organelle cytoplasm intracellular membrane-bounded organelle RNA polymerase II transcription regulator complex protein-containing complex CCAAT-binding factor complex nucleus nuclear protein-containing complex transcription regulator complex
A	Nuclear transcription factor Y subunit A-6	DNA binding binding nucleic acid binding DNA-binding transcription factor activity, RNA polymerase II-specific transcription regulator activity DNA-binding transcription factor activity	developmental process multicellular organismal process reproductive system development reproductive process developmental process involved in reproduction multicellular organism development fruit development seed development anatomical structure development reproductive structure development post-embryonic development system development regulation of cellular process RNA metabolic process developmental process multicellular organismal process reproductive system development reproductive process developmental process involved in reproduction multicellular organism development fruit development seed development anatomical structure development reproductive structure development post-embryonic development system development regulation of cellular process RNA metabolic process regulation of primary metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process DNA-templated transcription 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 biosynthetic process regulation of biological process biological regulation primary metabolic process regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process regulation of gene expression biosynthetic process cellular process metabolic process regulation of macromolecule biosynthetic process regulation of DNA-templated transcription macromolecule metabolic process regulation of metabolic process embryo development embryo development ending in seed dormancy regeneration somatic embryogenesis	RNA polymerase II transcription regulator complex membrane-bounded organelle protein-containing complex intracellular anatomical structure CCAAT-binding factor complex nucleus nuclear protein-containing complex transcription regulator complex intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C	IPR009072	Histone-fold	Homologous Superfamily
C	IPR007125	Core Histone H2A/H2B/H3 domain	Domain
C	IPR050568	Transcription/DNA replication regulator	Family
B	IPR009072	Histone-fold	Homologous Superfamily
B	IPR027113	Transcription factor NFYB/HAP3	Family
B	IPR003956	Transcription factor, NFYB/HAP3, conserved site	Conserved Site
B	IPR003958	Transcription factor CBF/NF-Y/archaeal histone domain	Domain
A	IPR001289	Nuclear transcription factor Y subunit A	Family
A	IPR018362	CCAAT-binding factor, conserved site	Conserved Site

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.