Annotations: 1MNM

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
F [auth D]	d1mnmd_	All alpha proteins	DNA/RNA-binding 3-helical bundle	Homeodomain-like	Homeodomain	mat alpha2 Homeodomain	baker's yeast (Saccharomyces cerevisiae ) [TaxId: 4932 ],	SCOPe (2.08)
E [auth C]	d1mnmc_	All alpha proteins	DNA/RNA-binding 3-helical bundle	Homeodomain-like	Homeodomain	mat alpha2 Homeodomain	baker's yeast (Saccharomyces cerevisiae ) [TaxId: 4932 ],	SCOPe (2.08)
D [auth B]	d1mnmb_	Alpha and beta proteins (a+b)	SRF-like	SRF-like	SRF-like	MCM1 transcriptional regulator	baker's yeast (Saccharomyces cerevisiae ) [TaxId: 4932 ],	SCOPe (2.08)
C [auth A]	d1mnma_	Alpha and beta proteins (a+b)	SRF-like	SRF-like	SRF-like	MCM1 transcriptional regulator	baker's yeast (Saccharomyces cerevisiae ) [TaxId: 4932 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
F [auth D]	SCOP2B Superfamily	Homeodomain-like	8057609	3000001	SCOP2B (2022-06-29)
E [auth C]	SCOP2B Superfamily	Homeodomain-like	8057609	3000001	SCOP2B (2022-06-29)
D [auth B]	SCOP2B Superfamily	SRF-like	8035392	3001928	SCOP2B (2022-06-29)
C [auth A]	SCOP2 Family	SRF-like	8023012	4001594	SCOP2 (2022-06-29)
C [auth A]	SCOP2 Superfamily	SRF-like	8035392	3001928	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
F [auth D]	Terminase_2	e1mnmD1	A: a/b three-layered sandwiches	X: small terminase oligomerization domain	H: small terminase oligomerization domain	T: small terminase oligomerization domain	F: Terminase_2	ECOD (v294.1)
E [auth C]	Med26	e1mnmC1	A: a/b three-layered sandwiches	X: PBZ domain	H: PBZ domain	T: PBZ domain	F: Med26	ECOD (v294.1)
D [auth B]	NTP_transf_2, PAP_NTPase	e1mnmB1	A: a/b three-layered sandwiches	X: ETN0001 domain-like	H: ETN0001 domain-like	T: Mss4-like	F: NTP_transf_2, PAP_NTPase	ECOD (v294.1)
C [auth A]	SRF-TF	e1mnmA1	A: a+b three layers	X: SRF-like	H: SRF-like	T: SRF-like	F: SRF-TF	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
F [auth D]	1.10.10.60	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Homeodomain-like	CATH (4.3.0)
E [auth C]	1.10.10.60	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Homeodomain-like	CATH (4.3.0)
D [auth B]	3.40.1810.10	Alpha Beta	3-Layer(aba) Sandwich	SRF-like	Transcription factor, MADS-box	CATH (4.3.0)
C [auth A]	3.40.1810.10	Alpha Beta	3-Layer(aba) Sandwich	SRF-like	Transcription factor, MADS-box	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
E [auth C], F [auth D]	PF00046	Homeodomain (Homeodomain)	Homeodomain		Domain
C [auth A], D [auth B]	PF00319	SRF-type transcription factor (DNA-binding and dimerisation domain) (SRF-TF)	SRF-type transcription factor (DNA-binding and dimerisation domain)		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
E [auth C], F [auth D]	PROTEIN (MAT ALPHA-2 TRANSCRIPTIONAL REPRESSOR)	DNA binding DNA binding, bending binding nucleic acid binding DNA-binding transcription factor activity, RNA polymerase II-specific DNA-binding transcription repressor activity, RNA polymerase II-specific transcription regulator activity DNA-binding transcription repressor activity DNA-binding transcription factor activity sequence-specific DNA binding	regulation of cellular process negative regulation of biological process RNA metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process regulation of RNA metabolic process transcription by RNA polymerase II negative regulation of cellular process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process regulation of cellular process negative regulation of biological process RNA metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process regulation of RNA metabolic process transcription by RNA polymerase II negative regulation of cellular process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process negative regulation of macromolecule metabolic process regulation of biosynthetic process regulation of transcription by RNA polymerase II negative regulation of DNA-templated transcription regulation of biological process negative regulation of transcription by RNA polymerase II negative regulation of metabolic 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 negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process metabolic process cellular process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of DNA-templated transcription regulation of metabolic process negative regulation of RNA metabolic process reproductive process developmental process involved in reproduction sex determination mating type determination regulation of mating-type specific transcription, DNA-templated developmental process	membrane-bounded organelle RNA polymerase II transcription repressor complex protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex transcription regulator complex intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure organelle transcription repressor complex
C [auth A], D [auth B]	PROTEIN (MCM1 TRANSCRIPTIONAL REGULATOR)	DNA binding sequence-specific DNA binding sequence-specific double-stranded DNA binding double-stranded DNA binding binding nucleic acid binding DNA replication origin binding DNA binding, bending RNA polymerase II cis-regulatory region sequence-specific DNA binding, bending sequence-specific DNA binding, bending RNA polymerase II transcription regulatory region sequence-specific DNA binding cis-regulatory region sequence-specific DNA binding transcription cis-regulatory region binding transcription regulatory region nucleic acid binding DNA binding sequence-specific DNA binding sequence-specific double-stranded DNA binding double-stranded DNA binding binding nucleic acid binding DNA replication origin binding DNA binding, bending RNA polymerase II cis-regulatory region sequence-specific DNA binding, bending sequence-specific DNA binding, bending RNA polymerase II transcription regulatory region sequence-specific DNA binding cis-regulatory region sequence-specific DNA binding transcription cis-regulatory region binding transcription regulatory region nucleic acid binding RNA polymerase II cis-regulatory region sequence-specific DNA binding DNA-binding transcription factor activity, RNA polymerase II-specific DNA-binding transcription repressor activity, RNA polymerase II-specific transcription regulator activity DNA-binding transcription repressor activity DNA-binding transcription factor activity transcription factor binding RNA polymerase II-specific DNA-binding transcription factor binding protein binding DNA-binding transcription factor binding molecular sequestering activity protein dimerization activity DNA-binding transcription activator activity, RNA polymerase II-specific DNA-binding transcription activator activity	developmental process regulation of biological process regulation of developmental process regulation of reproductive process reproductive process reproductive process in single-celled organism biological regulation regulation of mating type switching developmental process involved in reproduction mating type switching sex determination mating type determination catabolic process negative regulation of small molecule metabolic process developmental process regulation of biological process regulation of developmental process regulation of reproductive process reproductive process reproductive process in single-celled organism biological regulation regulation of mating type switching developmental process involved in reproduction mating type switching sex determination mating type determination catabolic process negative regulation of small molecule metabolic process regulation of cellular process oxoacid metabolic process negative regulation of biological process amino acid metabolic process negative regulation of arginine catabolic process organic acid catabolic process organic acid metabolic process alpha-amino acid metabolic process regulation of primary metabolic process arginine metabolic process L-arginine catabolic process negative regulation of amine catabolic process regulation of small molecule metabolic process carboxylic acid catabolic process negative regulation of cellular process regulation of amino acid metabolic process small molecule metabolic process amino acid catabolic process amine catabolic process negative regulation of amino acid metabolic process regulation of arginine catabolic process negative regulation of catabolic process regulation of amine metabolic process negative regulation of metabolic process L-amino acid catabolic process carboxylic acid metabolic process primary metabolic process regulation of catabolic process L-amino acid metabolic process proteinogenic amino acid metabolic process amine metabolic process alpha-amino acid catabolic process proteinogenic amino acid catabolic process negative regulation of amine metabolic process metabolic process cellular process small molecule catabolic process regulation of metabolic process regulation of amine catabolic process L-arginine biosynthetic process regulation of arginine biosynthetic process positive regulation of biological process organic acid biosynthetic process regulation of amino acid biosynthetic process L-glutamine family amino acid biosynthetic process carboxylic acid biosynthetic process positive regulation of metabolic process positive regulation of biosynthetic process positive regulation of amino acid biosynthetic process positive regulation of cellular process regulation of biosynthetic process small molecule biosynthetic process L-amino acid biosynthetic process positive regulation of amino acid metabolic process amino acid biosynthetic process biosynthetic process positive regulation of arginine biosynthetic process proteinogenic amino acid biosynthetic process positive regulation of small molecule metabolic process alpha-amino acid biosynthetic process RNA metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process DNA-templated transcription regulation of RNA metabolic process regulation of mating-type specific transcription, DNA-templated regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process regulation of gene expression regulation of macromolecule biosynthetic process regulation of DNA-templated transcription macromolecule metabolic process negative regulation of RNA biosynthetic process transcription by RNA polymerase II negative regulation of nucleobase-containing compound metabolic process negative regulation of macromolecule metabolic process regulation of transcription by RNA polymerase II negative regulation of DNA-templated transcription negative regulation of transcription by RNA polymerase II negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process negative regulation of RNA metabolic process cell cycle G2/M phase transition mitotic cell cycle process G2/M transition of mitotic cell cycle cell cycle phase transition cell cycle mitotic cell cycle cell cycle process mitotic cell cycle phase transition positive regulation of DNA-templated transcription positive regulation of macromolecule biosynthetic process positive regulation of macromolecule metabolic process positive regulation of transcription by RNA polymerase II positive regulation of RNA metabolic process positive regulation of RNA biosynthetic process	RNA polymerase II transcription regulator complex membrane-bounded organelle protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex transcription regulator complex intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure organelle cytoplasm cytosol membraneless organelle RNA polymerase II transcription regulator complex membrane-bounded organelle protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex transcription regulator complex intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure organelle cytoplasm cytosol membraneless organelle intracellular membraneless organelle chromatin chromosome RNA polymerase II transcription repressor complex transcription repressor complex
B [auth F]	DNA (STE6 OPERATOR DNA)	-	-	-
A [auth E]	DNA (STE6 OPERATOR DNA)	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
E [auth C], F [auth D]	IPR009057	Homedomain-like superfamily	Homologous Superfamily
E [auth C], F [auth D]	IPR001356	Homeodomain	Domain
C [auth A], D [auth B]	IPR033897	SRF-like, MADS-box	Domain
C [auth A], D [auth B]	IPR036879	Transcription factor, MADS-box superfamily	Homologous Superfamily
C [auth A], D [auth B]	IPR002100	Transcription factor, MADS-box	Domain
C [auth A], D [auth B]	IPR050142	MADS-box/MEF2 Transcription Factor	Family

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.