4ME3 | pdb_00004me3

1.8 Angstrom Crystal Structure of the N-terminal Domain of an Archaeal MCM

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	DNA replication initiator (cdc21/cdc54) N-terminal domain	8063615	4003941	SCOP2 (2022-06-29)
A	SCOP2 Family	MCM Zinc-binding domain-like	8091431	4007741	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Nucleic acid-binding proteins	8063616	3000135	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	RNA polymerase subunits	8091432	3001823	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)
A	MreC	e4me3A1	A: alpha bundles	X: DEATH domain	H: HTH	T: winged helix domain	F: MreC	ECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.1640.10	Alpha Beta	2-Layer Sandwich	mini-chromosome maintenance (MCM) complex, chain A, domain 1	mini-chromosome maintenance (MCM) complex, chain A, domain 1	CATH (4.3.0)
A	2.40.50.140	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)	Nucleic acid-binding proteins	CATH (4.3.0)
A	2.20.28.10	Mainly Beta	Single Sheet	Rubrerythrin, domain 2		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF14551	MCM N-terminal domain (MCM_N)	MCM N-terminal domain	This family contains the N-terminal domain of MCM proteins.	Domain
A	PF17207	MCM OB domain (MCM_OB)	MCM OB domain	This family contains an OB-fold found within MCM proteins. This domain contains an insertion at the zinc binding motif [2].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	DNA replication licensing factor MCM related protein	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding nucleic acid conformation isomerase activity isomerase activity DNA helicase activity catalytic activity, acting on a nucleic acid single-stranded DNA helicase activity helicase activity ATP-dependent activity ATP-dependent activity, acting on DNA catalytic activity, acting on DNA catalytic activity macromolecular conformation isomerase activity hydrolase activity cation binding metal ion binding DNA binding single-stranded DNA binding nucleic acid binding	nucleobase-containing compound metabolic process DNA replication metabolic process cellular process primary metabolic process DNA metabolic process macromolecule metabolic process nucleic acid metabolic process	protein-containing complex MCM complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR027925	MCM, N-terminal domain	Domain
A	IPR031327	Mini-chromosome maintenance protein	Family
A	IPR036388	Winged helix-like DNA-binding domain superfamily	Homologous Superfamily
A	IPR033762	MCM OB domain	Domain
A	IPR001208	MCM domain	Domain
A	IPR012340	Nucleic acid-binding, OB-fold	Homologous Superfamily
A	IPR041562	MCM, AAA-lid domain	Domain
A	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily

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.