2IUB | pdb_00002iub

Crystal structure of a divalent metal ion transporter CorA at 2.9 A resolution.

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
Membrane Protein Annotation: OPM
Membrane Protein Annotation: PDBTM
Membrane Protein Annotation: MemProtMD
Membrane Protein Annotation: mpstruc

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
J	d2iubj1	Alpha and beta proteins (a+b)	CorA soluble domain-like	CorA soluble domain-like	CorA soluble domain-like	automated matches	(Thermotoga maritima ) [TaxId: 2336 ],	SCOPe (2.08)
J	d2iubj2	Membrane and cell surface proteins and peptides	Transmembrane helix hairpin	Magnesium transport protein CorA, transmembrane region	Magnesium transport protein CorA, transmembrane region	Magnesium transport protein CorA	(Thermotoga maritima ) [TaxId: 2336 ],	SCOPe (2.08)
I	d2iubi1	Alpha and beta proteins (a+b)	CorA soluble domain-like	CorA soluble domain-like	CorA soluble domain-like	automated matches	(Thermotoga maritima ) [TaxId: 2336 ],	SCOPe (2.08)
I	d2iubi2	Membrane and cell surface proteins and peptides	Transmembrane helix hairpin	Magnesium transport protein CorA, transmembrane region	Magnesium transport protein CorA, transmembrane region	Magnesium transport protein CorA	(Thermotoga maritima ) [TaxId: 2336 ],	SCOPe (2.08)
H	d2iubh1	Alpha and beta proteins (a+b)	CorA soluble domain-like	CorA soluble domain-like	CorA soluble domain-like	automated matches	(Thermotoga maritima ) [TaxId: 2336 ],	SCOPe (2.08)
H	d2iubh2	Membrane and cell surface proteins and peptides	Transmembrane helix hairpin	Magnesium transport protein CorA, transmembrane region	Magnesium transport protein CorA, transmembrane region	Magnesium transport protein CorA	(Thermotoga maritima ) [TaxId: 2336 ],	SCOPe (2.08)
G	d2iubg1	Alpha and beta proteins (a+b)	CorA soluble domain-like	CorA soluble domain-like	CorA soluble domain-like	automated matches	(Thermotoga maritima ) [TaxId: 2336 ],	SCOPe (2.08)
G	d2iubg2	Membrane and cell surface proteins and peptides	Transmembrane helix hairpin	Magnesium transport protein CorA, transmembrane region	Magnesium transport protein CorA, transmembrane region	Magnesium transport protein CorA	(Thermotoga maritima ) [TaxId: 2336 ],	SCOPe (2.08)
F	d2iubf1	Alpha and beta proteins (a+b)	CorA soluble domain-like	CorA soluble domain-like	CorA soluble domain-like	automated matches	(Thermotoga maritima ) [TaxId: 2336 ],	SCOPe (2.08)
F	d2iubf2	Membrane and cell surface proteins and peptides	Transmembrane helix hairpin	Magnesium transport protein CorA, transmembrane region	Magnesium transport protein CorA, transmembrane region	Magnesium transport protein CorA	(Thermotoga maritima ) [TaxId: 2336 ],	SCOPe (2.08)
E	d2iube1	Alpha and beta proteins (a+b)	CorA soluble domain-like	CorA soluble domain-like	CorA soluble domain-like	automated matches	(Thermotoga maritima ) [TaxId: 2336 ],	SCOPe (2.08)
E	d2iube2	Membrane and cell surface proteins and peptides	Transmembrane helix hairpin	Magnesium transport protein CorA, transmembrane region	Magnesium transport protein CorA, transmembrane region	Magnesium transport protein CorA	(Thermotoga maritima ) [TaxId: 2336 ],	SCOPe (2.08)
D	d2iubd1	Alpha and beta proteins (a+b)	CorA soluble domain-like	CorA soluble domain-like	CorA soluble domain-like	automated matches	(Thermotoga maritima ) [TaxId: 2336 ],	SCOPe (2.08)
D	d2iubd2	Membrane and cell surface proteins and peptides	Transmembrane helix hairpin	Magnesium transport protein CorA, transmembrane region	Magnesium transport protein CorA, transmembrane region	Magnesium transport protein CorA	(Thermotoga maritima ) [TaxId: 2336 ],	SCOPe (2.08)
C	d2iubc1	Alpha and beta proteins (a+b)	CorA soluble domain-like	CorA soluble domain-like	CorA soluble domain-like	automated matches	(Thermotoga maritima ) [TaxId: 2336 ],	SCOPe (2.08)
C	d2iubc2	Membrane and cell surface proteins and peptides	Transmembrane helix hairpin	Magnesium transport protein CorA, transmembrane region	Magnesium transport protein CorA, transmembrane region	Magnesium transport protein CorA	(Thermotoga maritima ) [TaxId: 2336 ],	SCOPe (2.08)
B	d2iubb1	Alpha and beta proteins (a+b)	CorA soluble domain-like	CorA soluble domain-like	CorA soluble domain-like	automated matches	(Thermotoga maritima ) [TaxId: 2336 ],	SCOPe (2.08)
B	d2iubb2	Membrane and cell surface proteins and peptides	Transmembrane helix hairpin	Magnesium transport protein CorA, transmembrane region	Magnesium transport protein CorA, transmembrane region	Magnesium transport protein CorA	(Thermotoga maritima ) [TaxId: 2336 ],	SCOPe (2.08)
A	d2iuba1	Alpha and beta proteins (a+b)	CorA soluble domain-like	CorA soluble domain-like	CorA soluble domain-like	automated matches	(Thermotoga maritima ) [TaxId: 2336 ],	SCOPe (2.08)
A	d2iuba2	Membrane and cell surface proteins and peptides	Transmembrane helix hairpin	Magnesium transport protein CorA, transmembrane region	Magnesium transport protein CorA, transmembrane region	Magnesium transport protein CorA	(Thermotoga maritima ) [TaxId: 2336 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
J	SCOP2B Superfamily	Magnesium transport protein CorA, transmembrane region	8042853	3000358	SCOP2B (2022-06-29)
J	SCOP2B Superfamily	CorA soluble domain-like	8037836	3000209	SCOP2B (2022-06-29)
I	SCOP2B Superfamily	Magnesium transport protein CorA, transmembrane region	8042853	3000358	SCOP2B (2022-06-29)
I	SCOP2B Superfamily	CorA soluble domain-like	8037836	3000209	SCOP2B (2022-06-29)
H	SCOP2B Superfamily	CorA soluble domain-like	8037836	3000209	SCOP2B (2022-06-29)
H	SCOP2B Superfamily	Magnesium transport protein CorA, transmembrane region	8042853	3000358	SCOP2B (2022-06-29)
G	SCOP2B Superfamily	CorA soluble domain-like	8037836	3000209	SCOP2B (2022-06-29)
G	SCOP2B Superfamily	Magnesium transport protein CorA, transmembrane region	8042853	3000358	SCOP2B (2022-06-29)
F	SCOP2B Superfamily	Magnesium transport protein CorA, transmembrane region	8042853	3000358	SCOP2B (2022-06-29)
F	SCOP2B Superfamily	CorA soluble domain-like	8037836	3000209	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	CorA soluble domain-like	8037836	3000209	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	Magnesium transport protein CorA, transmembrane region	8042853	3000358	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	CorA soluble domain-like	8037836	3000209	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Magnesium transport protein CorA, transmembrane region	8042853	3000358	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Magnesium transport protein CorA, transmembrane region	8042853	3000358	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	CorA soluble domain-like	8037836	3000209	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	CorA soluble domain-like	8037836	3000209	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Magnesium transport protein CorA, transmembrane region	8042853	3000358	SCOP2B (2022-06-29)
A	SCOP2 Family	Magnesium transport protein CorA, transmembrane region	8030474	4000464	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Magnesium transport protein CorA, transmembrane region	8042853	3000358	SCOP2 (2022-06-29)
A	SCOP2B Superfamily	CorA soluble domain-like	8037836	3000209	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)
J	HD	e2iubJ1	A: alpha bundles	X: EGF-like	H: Rpp14/Pop5-like	T: Rpp14/Pop5-like	F: HD	ECOD (develop294)
J	OTU	e2iubJ3	A: alpha bundles	X: DEATH domain	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F: OTU	ECOD (develop294)
I	HD	e2iubI1	A: alpha bundles	X: EGF-like	H: Rpp14/Pop5-like	T: Rpp14/Pop5-like	F: HD	ECOD (develop294)
I	OTU	e2iubI3	A: alpha bundles	X: DEATH domain	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F: OTU	ECOD (develop294)
H	HD	e2iubH1	A: alpha bundles	X: EGF-like	H: Rpp14/Pop5-like	T: Rpp14/Pop5-like	F: HD	ECOD (develop294)
H	OTU	e2iubH3	A: alpha bundles	X: DEATH domain	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F: OTU	ECOD (develop294)
G	HD	e2iubG1	A: alpha bundles	X: EGF-like	H: Rpp14/Pop5-like	T: Rpp14/Pop5-like	F: HD	ECOD (develop294)
G	OTU	e2iubG3	A: alpha bundles	X: DEATH domain	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F: OTU	ECOD (develop294)
F	HD	e2iubF1	A: alpha bundles	X: EGF-like	H: Rpp14/Pop5-like	T: Rpp14/Pop5-like	F: HD	ECOD (develop294)
F	OTU	e2iubF3	A: alpha bundles	X: DEATH domain	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F: OTU	ECOD (develop294)
E	HD	e2iubE1	A: alpha bundles	X: EGF-like	H: Rpp14/Pop5-like	T: Rpp14/Pop5-like	F: HD	ECOD (develop294)
E	OTU	e2iubE3	A: alpha bundles	X: DEATH domain	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F: OTU	ECOD (develop294)
D	NLPC_P60	e2iubD3	A: alpha bundles	X: Fusion glycoprotein F2	H: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase	T: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase	F: NLPC_P60	ECOD (develop294)
C	HD	e2iubC1	A: alpha bundles	X: EGF-like	H: Rpp14/Pop5-like	T: Rpp14/Pop5-like	F: HD	ECOD (develop294)
C	OTU	e2iubC3	A: alpha bundles	X: DEATH domain	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F: OTU	ECOD (develop294)
B	HD	e2iubB1	A: alpha bundles	X: EGF-like	H: Rpp14/Pop5-like	T: Rpp14/Pop5-like	F: HD	ECOD (develop294)
B	OTU	e2iubB3	A: alpha bundles	X: DEATH domain	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F: OTU	ECOD (develop294)
A	CorA	e2iubA1	A: extended segments	X: Magnesium transport protein CorA, transmembrane region	H: Magnesium transport protein CorA, transmembrane region	T: Magnesium transport protein CorA, transmembrane region	F: CorA	ECOD (develop294)
A	ERG4_ERG24	e2iubA4	A: alpha bundles	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: N-terminal domain of Delta(14)-sterol reductase, MaSR1	F: ERG4_ERG24	ECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
J	3.30.460.20	Alpha Beta	2-Layer Sandwich	Beta Polymerase	domain 2	CATH (4.3.0)
J	1.20.58.340	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)
I	3.30.460.20	Alpha Beta	2-Layer Sandwich	Beta Polymerase	domain 2	CATH (4.3.0)
I	1.20.58.340	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)
H	3.30.460.20	Alpha Beta	2-Layer Sandwich	Beta Polymerase	domain 2	CATH (4.3.0)
H	1.20.58.340	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)
G	3.30.460.20	Alpha Beta	2-Layer Sandwich	Beta Polymerase	domain 2	CATH (4.3.0)
G	1.20.58.340	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)
F	3.30.460.20	Alpha Beta	2-Layer Sandwich	Beta Polymerase	domain 2	CATH (4.3.0)
F	1.20.58.340	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)
E	3.30.460.20	Alpha Beta	2-Layer Sandwich	Beta Polymerase	domain 2	CATH (4.3.0)
E	1.20.58.340	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)
D	3.30.460.20	Alpha Beta	2-Layer Sandwich	Beta Polymerase	domain 2	CATH (4.3.0)
D	1.20.58.340	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)
C	3.30.460.20	Alpha Beta	2-Layer Sandwich	Beta Polymerase	domain 2	CATH (4.3.0)
C	1.20.58.340	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)
B	3.30.460.20	Alpha Beta	2-Layer Sandwich	Beta Polymerase	domain 2	CATH (4.3.0)
B	1.20.58.340	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)
A	3.30.460.20	Alpha Beta	2-Layer Sandwich	Beta Polymerase	domain 2	CATH (4.3.0)
A	1.20.58.340	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D, E A, B, C, D, E, F, G, H, I, J	PF01544	CorA-like Mg2+ transporter protein (CorA)	CorA-like Mg2+ transporter protein	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D, E A, B, C, D, E, F, G, H, I, J	DIVALENT CATION TRANSPORT-RELATED PROTEIN	cation binding transition metal ion binding ion binding binding metal ion binding cobalt ion binding small molecule binding magnesium ion binding cobalt ion transmembrane transporter activity monoatomic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity transition metal ion transmembrane transporter activity metal ion transmembrane transporter activity cation binding transition metal ion binding ion binding binding metal ion binding cobalt ion binding small molecule binding magnesium ion binding cobalt ion transmembrane transporter activity monoatomic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity transition metal ion transmembrane transporter activity metal ion transmembrane transporter activity transmembrane transporter activity magnesium ion transmembrane transporter activity identical protein binding protein binding	transport magnesium ion transport monoatomic ion transmembrane transport magnesium ion transmembrane transport establishment of localization metal ion transport monoatomic cation transmembrane transport transmembrane transport localization monoatomic ion transport cellular process monoatomic cation transport cellular component organization cellular component biogenesis transport magnesium ion transport monoatomic ion transmembrane transport magnesium ion transmembrane transport establishment of localization metal ion transport monoatomic cation transmembrane transport transmembrane transport localization monoatomic ion transport cellular process monoatomic cation transport cellular component organization cellular component biogenesis cellular component assembly protein-containing complex organization protein complex oligomerization protein-containing complex assembly protein homooligomerization cellular component organization or biogenesis cobalt ion transport transition metal ion transport	cell periphery cellular anatomical structure plasma membrane membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E A, B, C, D, E, F, G, H, I, J	IPR002523	Mg2+ transporter protein, CorA-like/Zinc transport protein ZntB	Family
A, B, C, D, E A, B, C, D, E, F, G, H, I, J	IPR045863	CorA, transmembrane region	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F, G, H, I, J	IPR004488	Magnesium/cobalt transport protein CorA	Family
A, B, C, D, E A, B, C, D, E, F, G, H, I, J	IPR045861	CorA, cytoplasmic domain	Homologous Superfamily

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A, B, C, D, E A, B, C, D, E, F, G, H, I, J	OPM	Transmembrane	Alpha-helical polytopic	CorA metal ion transporters (MIT)	CorA metal ion transporters (MIT)

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A, B, C, D, E A, B, C, D, E, F, G, H, I, J	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
A, B, C, D, E A, B, C, D, E, F, G, H, I, J	MemProtMD	Annotated as membrane protein by MemProtMD

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A, B, C, D, E A, B, C, D, E, F, G, H, I, J	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	CorA Superfamily Ion Transporters	CorA Mg²⁺ Transporter

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.

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