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X - Possible homology level

H - Homology level

T - Topology level

F - Family level

* - Provisional representative

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Evolutionary classification of protein domain structures

alpha arraysalpha-helix arrays with mainly perpendicular helices

alpha bundlesalpha-helix bundles with mainly parallel helices

alpha superhelicesrepeating alpha-helix hairpins form a superhelix

alpha duplicates or obligate multimersalpha duplicates or monomers associate together to form a compact domain

alpha complex topologyalpha domain with complex and unique topology that cannot be described as array or bundle or superhelix

X: Cytosolic helical domain in ferrous iron transport protein B
H: Cytosolic helical domain in ferrous iron transport protein B
T: Cytosolic helical domain in ferrous iron transport protein B
F: FeoB_Cyto

PF17910

Representatives:

e3i8sA2[A:173-264] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH

Ferrous iron transport protein B ; X-RAY DIFFRACTION 1.8Å

e3i92C2[C:169-262] Image Pymol Jmol Links: PDB, SCOP, CATH

Ferrous iron transport protein B ; X-RAY DIFFRACTION 3.0Å

e2wibB2[B:169-262] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FERROUS IRON TRANSPORT PROTEIN B ; X-RAY DIFFRACTION 2.56Å

e3i8sB2[B:169-261] Image Pymol Jmol Links: PDB, SCOP, CATH

Ferrous iron transport protein B ; X-RAY DIFFRACTION 1.8Å

e3i8sC2[C:169-261] Image Pymol Jmol Links: PDB, SCOP, CATH

Ferrous iron transport protein B ; X-RAY DIFFRACTION 1.8Å

e3i8xA2[A:169-261] Image Pymol Jmol Links: PDB, SCOP, CATH

Ferrous iron transport protein B ; X-RAY DIFFRACTION 2.25Å

e3i8xB2[B:169-261] Image Pymol Jmol Links: PDB, SCOP, CATH

Ferrous iron transport protein B ; X-RAY DIFFRACTION 2.25Å

e3i8xC2[C:169-261] Image Pymol Jmol Links: PDB, SCOP, CATH

Ferrous iron transport protein B ; X-RAY DIFFRACTION 2.25Å

e3i92A2[A:169-261] Image Pymol Jmol Links: PDB, SCOP, CATH

Ferrous iron transport protein B ; X-RAY DIFFRACTION 3.0Å

e3i92B2[B:169-261] Image Pymol Jmol Links: PDB, SCOP, CATH

Ferrous iron transport protein B ; X-RAY DIFFRACTION 3.0Å

e3hytA2[A:173-261] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ferrous iron transport protein B ; X-RAY DIFFRACTION 2.72Å

e3hytC2[C:173-261] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ferrous iron transport protein B ; X-RAY DIFFRACTION 2.72Å

e3hyrA2[A:173-260] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FERROUS IRON TRANSPORT PROTEIN B ; X-RAY DIFFRACTION 2.2Å

e3hyrB2[B:173-260] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FERROUS IRON TRANSPORT PROTEIN B ; X-RAY DIFFRACTION 2.2Å

e3hyrC2[C:173-260] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FERROUS IRON TRANSPORT PROTEIN B ; X-RAY DIFFRACTION 2.2Å

e3hytB2[B:173-260] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ferrous iron transport protein B ; X-RAY DIFFRACTION 2.72Å

e2wibA2[A:169-261] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FERROUS IRON TRANSPORT PROTEIN B ; X-RAY DIFFRACTION 2.56Å

e2wicA2[A:173-264] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FERROUS IRON TRANSPORT PROTEIN B ; X-RAY DIFFRACTION 2.05Å

e2wiaA2[A:173-260] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FERROUS IRON TRANSPORT PROTEIN B ; X-RAY DIFFRACTION 2.45Å

e2wiaB2[B:173-260] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FERROUS IRON TRANSPORT PROTEIN B ; X-RAY DIFFRACTION 2.45Å

e4awxA2[A:173-260] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FERROUS IRON TRANSPORT PROTEIN B ; ligands: NI ; X-RAY DIFFRACTION 2.3Å

e4r98A1[A:174-264] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ferrous iron transport protein B ; X-RAY DIFFRACTION 2.2Å

e4q00B2[B:173-261] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ferrous iron transport protein B ; X-RAY DIFFRACTION 2.100Å

e4q00A1[A:173-260] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ferrous iron transport protein B ; ligands: SO4 ; X-RAY DIFFRACTION 2.100Å

e4q00C2[C:173-260] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ferrous iron transport protein B ; X-RAY DIFFRACTION 2.100Å

e4r98B1[B:174-264] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ferrous iron transport protein B ; X-RAY DIFFRACTION 2.2Å

e4q5iA1[A:173-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ferrous iron transport protein B ; X-RAY DIFFRACTION 2.800Å

e4q5iB2[B:173-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ferrous iron transport protein B ; X-RAY DIFFRACTION 2.800Å

e4q5iC2[C:173-264] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ferrous iron transport protein B ; X-RAY DIFFRACTION 2.800Å

e4q5iD1[D:173-264] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ferrous iron transport protein B ; X-RAY DIFFRACTION 2.800Å

e4q5iE1[E:173-267] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ferrous iron transport protein B ; X-RAY DIFFRACTION 2.800Å

e4q5iF2[F:173-266] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ferrous iron transport protein B ; X-RAY DIFFRACTION 2.800Å

e5fh9A2[A:173-264] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ferrous iron transport protein B ; X-RAY DIFFRACTION 3.159Å

e5fh9B2[B:173-260] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ferrous iron transport protein B ; X-RAY DIFFRACTION 3.159Å

e7wquA1[A:173-260] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ferrous iron transport protein B ; X-RAY DIFFRACTION 4.2Å

e3lx5A4[A:167-265] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ferrous iron uptake transporter protein B ; X-RAY DIFFRACTION 1.900Å

e4nonA1[A:164-260] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ferrous iron uptake transporter protein B ; X-RAY DIFFRACTION 2.500Å

e4nonB1[B:164-260] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ferrous iron uptake transporter protein B ; X-RAY DIFFRACTION 2.500Å

e3b1vA4[A:170-264] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FERROUS IRON UPTAKE TRANSPORTER PROTEIN B ; X-RAY DIFFRACTION 1.85Å

e3b1zA3[A:164-257] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FERROUS IRON UPTAKE TRANSPORTER PROTEIN B ; X-RAY DIFFRACTION 2.65Å

e3ss8A2[A:164-257] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FERROUS IRON UPTAKE TRANSPORTER PROTEIN B ; X-RAY DIFFRACTION 2.51Å

e3ss8B2[B:164-257] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FERROUS IRON UPTAKE TRANSPORTER PROTEIN B ; X-RAY DIFFRACTION 2.51Å

e3tahB4[B:170-262] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FERROUS IRON UPTAKE TRANSPORTER PROTEIN B ; ligands: GOL ; X-RAY DIFFRACTION 1.85Å

e3b1wA4[A:170-261] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FERROUS IRON UPTAKE TRANSPORTER PROTEIN B ; X-RAY DIFFRACTION 2.5Å

e3b1wC4[C:170-260] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FERROUS IRON UPTAKE TRANSPORTER PROTEIN B ; X-RAY DIFFRACTION 2.5Å

e3b1wB4[B:170-259] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FERROUS IRON UPTAKE TRANSPORTER PROTEIN B ; X-RAY DIFFRACTION 2.5Å

e3b1xA4[A:170-259] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ferrous iron uptake transporter protein B ; X-RAY DIFFRACTION 2.600Å

e3b1yA4[A:170-259] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FERROUS IRON UPTAKE TRANSPORTER PROTEIN B ; X-RAY DIFFRACTION 2.5Å

e3tahA4[A:170-259] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FERROUS IRON UPTAKE TRANSPORTER PROTEIN B ; X-RAY DIFFRACTION 1.85Å

e3lx8A4[A:170-258] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ferrous iron uptake transporter protein B ; X-RAY DIFFRACTION 2.900Å

e3b1wD4[D:170-257] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FERROUS IRON UPTAKE TRANSPORTER PROTEIN B ; X-RAY DIFFRACTION 2.5Å

e3b1xB4[B:170-257] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ferrous iron uptake transporter protein B ; X-RAY DIFFRACTION 2.600Å

e3k53C2[C:173-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ferrous iron transport protein b ; X-RAY DIFFRACTION 2.500Å

e3k53A1[A:173-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ferrous iron transport protein b ; X-RAY DIFFRACTION 2.500Å

e3k53D1[D:173-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ferrous iron transport protein b ; X-RAY DIFFRACTION 2.500Å

e3k53B1[B:173-269] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ferrous iron transport protein b ; X-RAY DIFFRACTION 2.500Å

e7bvuA1[A:170-255] Image Pymol Jmol Links: PDB, SCOP, CATH

Ferrous iron transport protein B ; ligands: EDO ; X-RAY DIFFRACTION 2.500Å

e7bwvA2[A:170-256] Image Pymol Jmol Links: PDB, SCOP, CATH

Ferrous iron transport protein B ; ligands: PEG ; X-RAY DIFFRACTION 2.350Å

e7bvuB1[B:170-254] Image Pymol Jmol Links: PDB, SCOP, CATH

Ferrous iron transport protein B ; ligands: EDO ; X-RAY DIFFRACTION 2.500Å

e7bwvB1[B:170-255] Image Pymol Jmol Links: PDB, SCOP, CATH

Ferrous iron transport protein B ; ligands: EDO ; X-RAY DIFFRACTION 2.350Å

e3a1sB4[B:184-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

IRON(II) TRANSPORT PROTEIN B ; X-RAY DIFFRACTION 1.5Å

e3a1uA2[A:185-269] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

IRON(II) TRANSPORT PROTEIN B ; X-RAY DIFFRACTION 1.8Å

e3a1tA2[A:185-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

IRON(II) TRANSPORT PROTEIN B ; X-RAY DIFFRACTION 1.8Å

e3a1sA2[A:186-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

IRON(II) TRANSPORT PROTEIN B ; ligands: MRD ; X-RAY DIFFRACTION 1.5Å

e3a1uB2[B:186-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

IRON(II) TRANSPORT PROTEIN B ; X-RAY DIFFRACTION 1.8Å

e3a1vA2[A:186-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

IRON(II) TRANSPORT PROTEIN B ; ligands: MPD ; X-RAY DIFFRACTION 2.4Å

e3a1vB2[B:186-266] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

IRON(II) TRANSPORT PROTEIN B ; ligands: MPD,MRD ; X-RAY DIFFRACTION 2.4Å

F: Unmapped domains

Pseudo group of domains that do not map to PFam family profiles. Domains inside should not be considered as in one family.

beta barrelssingle beta-sheet folded upon itself to form a barrel

beta meanderssingle beta-sheet with mainly meander topology

beta sandwichestwo beta-sheets stacked together to form a sandwich

beta duplicates or obligate multimersbeta duplicates or monomers associate together to form a compact domain

beta complex topologybeta domains with complex and unique topology that cannot be described as barrel or sandwich or meander

a+b two layersone alpha-helix layer and one beta-sheet layer

a+b three layersone mainly antiparallel beta-sheet layer sandwiched between two alpha-helix layers

a+b four layerstwo beta-sheet layers sandwiched between two alpha-helix layers

a+b complex topologyalpha and beta domain with complex and unique topology that cannot be described in layers

a+b duplicates or obligate multimersalpha and beta duplicates or monomers associated together to form a compact domain

a/b barrelsrepeating beta-alpha units form a barrel

a/b three-layered sandwichesrepeating beta-alpha units form a sandwich with a mainly parallel beta-sheet layer stacked between two alpha-helix layers

mixed a+b and a/balpha and beta domain consists of both a+b and a/b regions

few secondary structure elementsstabilized by cofactors or disulfides

extended segmentsextended, non-globular segments, frequently bind to other proteins to form complexes