4OER

Crystal structure of NikA from Brucella suis, unliganded form

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-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d4oera_	Alpha and beta proteins (a/b)	Periplasmic binding protein-like II	Periplasmic binding protein-like II	Phosphate binding protein-like	Nickel-binding periplasmic protein NikA	(Brucella suis ) [TaxId: 29461 ],	SCOPe (2.08)
B	d4oerb_	Alpha and beta proteins (a/b)	Periplasmic binding protein-like II	Periplasmic binding protein-like II	Phosphate binding protein-like	Nickel-binding periplasmic protein NikA	(Brucella suis ) [TaxId: 29461 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Phosphate binding protein-like	8072692	4000229	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Type 2 solute binding protein-like	8072693	3000083	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	Type 2 solute binding protein-like	8072693	3000083	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	SBP_bac_5_1st	e4oerA2	A: a+b two layers	X: Alpha-beta plaits	H: Oligo-peptide binding protein (OPPA) insertion domain (From Topology)	T: Oligo-peptide binding protein (OPPA) insertion domain	F: SBP_bac_5_1st	ECOD (1.6)
A	SBP_bac_5_3rd	e4oerA3	A: a/b three-layered sandwiches	X: Periplasmic binding protein-like II (From Topology)	H: Periplasmic binding protein-like II (From Topology)	T: Periplasmic binding protein-like II	F: SBP_bac_5_3rd	ECOD (1.6)
A	SBP_bac_5_2nd	e4oerA1	A: a/b three-layered sandwiches	X: Periplasmic binding protein-like II (From Topology)	H: Periplasmic binding protein-like II (From Topology)	T: Periplasmic binding protein-like II	F: SBP_bac_5_2nd	ECOD (1.6)
B	SBP_bac_5_1st	e4oerB2	A: a+b two layers	X: Alpha-beta plaits	H: Oligo-peptide binding protein (OPPA) insertion domain (From Topology)	T: Oligo-peptide binding protein (OPPA) insertion domain	F: SBP_bac_5_1st	ECOD (1.6)
B	SBP_bac_5_3rd	e4oerB4	A: a/b three-layered sandwiches	X: Periplasmic binding protein-like II (From Topology)	H: Periplasmic binding protein-like II (From Topology)	T: Periplasmic binding protein-like II	F: SBP_bac_5_3rd	ECOD (1.6)
B	SBP_bac_5_2nd	e4oerB3	A: a/b three-layered sandwiches	X: Periplasmic binding protein-like II (From Topology)	H: Periplasmic binding protein-like II (From Topology)	T: Periplasmic binding protein-like II	F: SBP_bac_5_2nd	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.190.10	Alpha Beta	3-Layer(aba) Sandwich	D-Maltodextrin-Binding Protein	domain 2	CATH (4.3.0)
A	3.10.105.10	Alpha Beta	Roll	Dipeptide-binding Protein	domain 3	CATH (4.3.0)
B	3.40.190.10	Alpha Beta	3-Layer(aba) Sandwich	D-Maltodextrin-Binding Protein	domain 2	CATH (4.3.0)
B	3.10.105.10	Alpha Beta	Roll	Dipeptide-binding Protein	domain 3	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00496	Bacterial extracellular solute-binding proteins, family 5 Middle (SBP_bac_5)	Bacterial extracellular solute-binding proteins, family 5 Middle	The borders of this family are based on the PDBSum definitions of the domain edges for Swiss:P06202.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	NikA protein	cation binding transition metal ion binding ion binding binding nickel cation binding metal ion binding small molecule binding organic cyclic compound binding tetrapyrrole binding heme binding	localization transport nickel cation transport transition metal ion transport monoatomic ion transport monoatomic cation transport establishment of localization metal ion transport transmembrane transport cellular process	ATPase dependent transmembrane transport complex protein-containing complex plasma membrane protein complex membrane plasma membrane membrane protein complex cellular anatomical entity transporter complex ATP-binding cassette (ABC) transporter complex cell periphery transmembrane transporter complex outer membrane-bounded periplasmic space cell envelope periplasmic space

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR000914	Solute-binding protein family 5 domain	Domain
A, B	IPR011980	Metal-staphylopine-binding protein CntA-like	Family
A, B	IPR039424	Solute-binding protein family 5	Family
A, B	IPR030678	Peptide/nickel binding protein, MppA-type	Family
A, B	IPR023765	Solute-binding protein family 5, 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.