1MI8

2.0 Angstrom crystal structure of a DnaB intein from Synechocystis sp. PCC 6803

External Resource: Annotation

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

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1mi8a_	All beta proteins	Hedgehog/intein (Hint) domain	Hedgehog/intein (Hint) domain	Intein (protein splicing domain)	DnaB intein	(Synechocystis sp. PCC 6803 ) [TaxId: 1148 ], (Synechocystis sp. PCC 6803 ) [TaxId: 1148 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Intein (protein splicing domain)	8024013	4002988	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Hedgehog/intein (Hint) domain	8036392	3001979	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	Intein_splicing	e1mi8A1	A: beta complex topology	X: Hedgehog/intein (From Homology)	H: Hedgehog/intein	T: Hint	F: Intein_splicing	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.170.16.10	Mainly Beta	Beta Complex	Endonuclease - Pi-scei	Chain A, domain 1	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	DnaB intein	ATP-dependent activity, acting on DNA catalytic activity, acting on DNA DNA translocase activity catalytic activity, acting on a nucleic acid chromatin extrusion motor activity catalytic activity ATP-dependent activity ATP-dependent H3-H4 histone complex chaperone activity catalytic activity, acting on a protein histone chaperone activity ATP-dependent chromatin remodeler activity H3-H4 histone complex chaperone activity protein carrier chaperone ATP-dependent histone chaperone activity ATP-dependent activity, acting on DNA catalytic activity, acting on DNA DNA translocase activity catalytic activity, acting on a nucleic acid chromatin extrusion motor activity catalytic activity ATP-dependent activity ATP-dependent H3-H4 histone complex chaperone activity catalytic activity, acting on a protein histone chaperone activity ATP-dependent chromatin remodeler activity H3-H4 histone complex chaperone activity protein carrier chaperone ATP-dependent histone chaperone activity molecular carrier activity cohesin loader activity DNA clamp loader activity ATP-dependent H2AZ histone chaperone activity forked DNA-dependent helicase activity DNA helicase activity helicase activity 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 DNA binding nucleic acid binding single-stranded 3'-5' DNA helicase activity single-stranded DNA helicase activity 3'-5' DNA helicase activity four-way junction helicase activity isomerase activity pyrophosphatase activity ATP hydrolysis activity ribonucleoside triphosphate phosphatase activity hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity hydrolase activity, acting on acid anhydrides endonuclease activity nuclease activity hydrolase activity, acting on ester bonds double-stranded DNA helicase activity	DNA-templated DNA replication DNA replication, synthesis of primer RNA metabolic process primary metabolic process DNA metabolic process nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process DNA replication biosynthetic process metabolic process DNA-templated DNA replication DNA replication, synthesis of primer RNA metabolic process primary metabolic process DNA metabolic process nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process DNA replication biosynthetic process metabolic process cellular process macromolecule metabolic process intein-mediated protein splicing gene expression protein maturation proteolysis protein processing protein metabolic process protein splicing	primosome complex protein-containing complex intracellular anatomical structure protein-DNA complex intracellular membraneless organelle chromosome intracellular organelle cellular anatomical structure organelle membraneless organelle replication fork replisome cytoplasm cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR036844	Hint domain superfamily	Homologous Superfamily
A	IPR006142	Intein	Domain
A	IPR004042	Intein DOD homing endonuclease, central region	Domain
A	IPR007692	DNA helicase, DnaB type	Family
A	IPR006141	Intein N-terminal splicing region	PTM
A	IPR003586	Hint domain C-terminal	Domain
A	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily
A	IPR016136	DNA helicase DnaB, N-terminal/DNA primase DnaG, C-terminal	Homologous Superfamily
A	IPR030934	Intein C-terminal splicing region	Conserved Site
A	IPR007693	DNA helicase, DnaB-like, N-terminal	Domain
A	IPR007694	DNA helicase, DnaB-like, C-terminal	Domain
A	IPR027434	Homing endonuclease	Homologous Superfamily
A	IPR004860	Homing endonuclease, LAGLIDADG domain	Domain
A	IPR003587	Hint domain N-terminal	Domain
A	IPR036185	DNA helicase, DnaB-like, N-terminal domain superfamily	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.