1BKN

CRYSTAL STRUCTURE OF AN N-TERMINAL 40KD FRAGMENT OF E. COLI DNA MISMATCH REPAIR PROTEIN MUTL

External Resource: Annotation

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1bkna1	Alpha and beta proteins (a+b)	Ribosomal protein S5 domain 2-like	Ribosomal protein S5 domain 2-like	DNA gyrase/MutL, second domain	DNA mismatch repair protein MutL	(Escherichia coli K-12 ) [TaxId: 83333 ],	SCOPe (2.08)
A	d1bkna2	Alpha and beta proteins (a+b)	ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase	ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase	DNA gyrase/MutL, N-terminal domain	DNA mismatch repair protein MutL	(Escherichia coli K-12 ) [TaxId: 83333 ],	SCOPe (2.08)
B	d1bknb1	Alpha and beta proteins (a+b)	Ribosomal protein S5 domain 2-like	Ribosomal protein S5 domain 2-like	DNA gyrase/MutL, second domain	DNA mismatch repair protein MutL	(Escherichia coli K-12 ) [TaxId: 83333 ],	SCOPe (2.08)
B	d1bknb2	Alpha and beta proteins (a+b)	ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase	ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase	DNA gyrase/MutL, N-terminal domain	DNA mismatch repair protein MutL	(Escherichia coli K-12 ) [TaxId: 83333 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Ribosomal protein S5 domain 2-like	8034438	3000100	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	GHKL (Gyrase Hsp90 Histidine Kinase MutL) domain-like	8036209	3000091	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Ribosomal protein S5 domain 2-like	8034438	3000100	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)
A	DNA_mis_repair	e1bknA2	A: a+b two layers	X: Ribosomal protein S5 domain 2-like (From Topology)	H: Ribosomal protein S5 domain 2-like (From Topology)	T: Ribosomal protein S5 domain 2-like	F: DNA_mis_repair	ECOD (1.6)
A	HATPase_c_3	e1bknA1	A: a+b two layers	X: ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase-like	H: ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase (From Topology)	T: ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase	F: HATPase_c_3	ECOD (1.6)
B	DNA_mis_repair	e1bknB1	A: a+b two layers	X: Ribosomal protein S5 domain 2-like (From Topology)	H: Ribosomal protein S5 domain 2-like (From Topology)	T: Ribosomal protein S5 domain 2-like	F: DNA_mis_repair	ECOD (1.6)
B	HATPase_c_3	e1bknB2	A: a+b two layers	X: ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase-like	H: ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase (From Topology)	T: ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase	F: HATPase_c_3	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.565.10	Alpha Beta	2-Layer Sandwich	Heat Shock Protein 90	Histidine kinase-like ATPase, C-terminal domain	CATH (4.3.0)
A	3.30.230.10	Alpha Beta	2-Layer Sandwich	Ribosomal Protein S5	domain 2	CATH (4.3.0)
B	3.30.565.10	Alpha Beta	2-Layer Sandwich	Heat Shock Protein 90	Histidine kinase-like ATPase, C-terminal domain	CATH (4.3.0)
B	3.30.230.10	Alpha Beta	2-Layer Sandwich	Ribosomal Protein S5	domain 2	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF01119	DNA mismatch repair protein, C-terminal domain (DNA_mis_repair)	DNA mismatch repair protein, C-terminal domain	-	Family
A, B	PF13589	Histidine kinase-, DNA gyrase B-, and HSP90-like ATPase (HATPase_c_3)	Histidine kinase-, DNA gyrase B-, and HSP90-like ATPase	This family represents, additionally, the structurally related ATPase domains of histidine kinase, DNA gyrase B and HSP90.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	MUTL	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding DNA binding nucleic acid binding double-stranded DNA binding mismatched DNA binding 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 catalytic activity ATP-dependent activity identical protein binding protein binding ATP-dependent activity, acting on DNA DNA damage sensor activity catalytic activity, acting on DNA small molecule sensor activity ATP-dependent DNA damage sensor activity catalytic activity, acting on a nucleic acid	cellular response to stimulus mismatch repair response to stimulus DNA-templated DNA replication maintenance of fidelity nucleobase-containing compound metabolic process organic substance metabolic process heterocycle metabolic process cellular response to stress response to stress nitrogen compound metabolic process DNA repair DNA-templated DNA replication cellular metabolic process cellular nitrogen compound metabolic process cellular response to stimulus mismatch repair response to stimulus DNA-templated DNA replication maintenance of fidelity nucleobase-containing compound metabolic process organic substance metabolic process heterocycle metabolic process cellular response to stress response to stress nitrogen compound metabolic process DNA repair DNA-templated DNA replication cellular metabolic process cellular nitrogen compound metabolic process primary metabolic process DNA metabolic process nucleic acid metabolic process organic cyclic compound metabolic process mismatch repair involved in maintenance of fidelity involved in DNA-dependent DNA replication DNA replication DNA damage response metabolic process cellular process macromolecule metabolic process cellular aromatic compound metabolic process DNA geometric change DNA conformation change cellular component organization nucleotide-excision repair cellular component organization or biogenesis DNA duplex unwinding chromosome organization nucleotide-excision repair, DNA duplex unwinding organelle organization regulation of DNA recombination regulation of cellular process regulation of primary metabolic process regulation of nitrogen compound metabolic process regulation of nucleobase-containing compound metabolic process regulation of biological process DNA recombination biological regulation regulation of cellular metabolic process regulation of macromolecule metabolic process regulation of metabolic process regulation of DNA metabolic process	protein-containing complex catalytic complex DNA helicase complex single-stranded DNA-dependent ATP-dependent DNA helicase complex intracellular anatomical structure cellular anatomical entity mismatch repair complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR038973	DNA mismatch repair protein MutL/Mlh/Pms-like	Family
A, B	IPR037198	MutL, C-terminal domain superfamily	Homologous Superfamily
A, B	IPR013507	DNA mismatch repair protein, S5 domain 2-like	Domain
A, B	IPR014790	MutL, C-terminal, dimerisation	Domain
A, B	IPR002099	DNA mismatch repair protein MutL/Mlh/PMS	Family
A, B	IPR036890	Histidine kinase/HSP90-like ATPase superfamily	Homologous Superfamily
A, B	IPR042121	MutL, C-terminal domain, regulatory subdomain	Homologous Superfamily
A, B	IPR042120	MutL, C-terminal domain, dimerisation subdomain	Homologous Superfamily
A, B	IPR014762	DNA mismatch repair, conserved site	Conserved Site
A, B	IPR020667	DNA mismatch repair protein, MutL	Family
A, B	IPR020568	Ribosomal protein uS5 domain 2-type superfamily	Homologous Superfamily
A, B	IPR014721	Small ribosomal subunit protein uS5 domain 2-type fold, subgroup	Homologous Superfamily

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.