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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

X: Sec7 domain
H: Sec7 domain
T: Sec7 domain
F: Sec7

PF01369

Representatives:

e1xszA1[A:1-197] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

guanine nucleotide exchange protein ; X-RAY DIFFRACTION 1.41Å

e1r8sE1[E:62-248] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Arno ; ligands: FMT,GDP,SO3,SO4 ; X-RAY DIFFRACTION 1.46Å

e1s9dE1[E:62-248] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Arno ; ligands: AFB ; X-RAY DIFFRACTION 1.80Å

e1r8qE1[E:62-246] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Arno ; ligands: AFB,ZN ; X-RAY DIFFRACTION 1.86Å

e1r8qF1[F:62-248] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Arno ; ligands: AFB ; X-RAY DIFFRACTION 1.86Å

e1pbvA1[A:62-246] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ARNO ; X-RAY DIFFRACTION 2.0Å

e1r8mE1[E:62-246] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Arno ; ligands: FMT,MN ; X-RAY DIFFRACTION 1.70Å

e1bc9A1[A:63-249] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CYTOHESIN-1 ; SOLUTION NMR

e1ku1B1[B:-9-759] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ARF guanine-nucleotide exchange factor 2 ; X-RAY DIFFRACTION 1.93Å

e1re0B1[B:95-217,B:244-312] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ARF guanine-nucleotide exchange factor 1 ; ligands: AFB ; X-RAY DIFFRACTION 2.4Å

e1xszB1[B:1-197] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

guanine nucleotide exchange protein ; X-RAY DIFFRACTION 1.41Å

e1xt0B1[B:1-197] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GUANINE NUCLEOTIDE EXCHANGE PROTEIN ; X-RAY DIFFRACTION 2.16Å

e3l8nA1[A:6-194] Image Pymol Jmol Links: PDB, SCOP, CATH

BREFELDIN A-INHIBITED GUANINE NUCLEOTIDE-EXCHANGE PROTEIN 2 ; X-RAY DIFFRACTION 2.86Å

e3swvA1[A:637-828] Image Pymol Jmol Links: PDB, SCOP, CATH

BREFELDIN A-INHIBITED GUANINE NUCLEOTIDE-EXCHANGE PROTEIN 2 ; X-RAY DIFFRACTION 3.0Å

e3ltlA1[A:695-885] Image Pymol Jmol Links: PDB, SCOP, CATH

BREFELDIN A-INHIBITED GUANINE NUCLEOTIDE-EXCHANGE PROTEIN 1 ; ligands: ACY,CA ; X-RAY DIFFRACTION 2.2Å

e4a4pA1[A:67-252] Image Pymol Jmol Links: PDB, SCOP, CATH

CYTOHESIN1 ; ligands: GOL ; X-RAY DIFFRACTION 2.0Å

e3ltlB1[B:700-885] Image Pymol Jmol Links: PDB, SCOP, CATH

BREFELDIN A-INHIBITED GUANINE NUCLEOTIDE-EXCHANGE PROTEIN 1 ; X-RAY DIFFRACTION 2.2Å

e4a4pB1[B:61-246] Image Pymol Jmol Links: PDB, SCOP, CATH

CYTOHESIN1 ; ligands: GOL ; X-RAY DIFFRACTION 2.0Å

e4c0aA2[A:396-595] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

IQ MOTIF AND SEC7 DOMAIN-CONTAINING PROTEIN 1 ; ligands: G3D ; X-RAY DIFFRACTION 3.30Å

e4c0aE2[E:396-595] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

IQ MOTIF AND SEC7 DOMAIN-CONTAINING PROTEIN 1 ; ligands: G3D ; X-RAY DIFFRACTION 3.30Å

e4jmiA1[A:54-245] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CYTOHESIN-2 ; X-RAY DIFFRACTION 1.5Å

e4jmoA1[A:54-246] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CYTOHESIN-2 ; ligands: JAF ; X-RAY DIFFRACTION 1.8Å

e4jwlA1[A:54-247] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CYTOHESIN-2 ; ligands: HRC ; X-RAY DIFFRACTION 1.95Å

e4jxhA1[A:55-249] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CYTOHESIN-2 ; ligands: HRC,PO4 ; X-RAY DIFFRACTION 1.47Å

e4l5mA1[A:54-249] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cytohesin-2 ; ligands: HRC,PO4 ; X-RAY DIFFRACTION 1.8Å

e4c7pA1[A:1-197] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RALF ; ligands: GOL ; X-RAY DIFFRACTION 3.1Å

e4c0aB3[B:393-595] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

IQ MOTIF AND SEC7 DOMAIN-CONTAINING PROTEIN 1 ; ligands: G3D ; X-RAY DIFFRACTION 3.30Å

e4c0aF3[F:396-595] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

IQ MOTIF AND SEC7 DOMAIN-CONTAINING PROTEIN 1 ; ligands: G3D ; X-RAY DIFFRACTION 3.30Å

e4oiyA1[A:822-1010] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN TRANSPORT PROTEIN SEC7 ; X-RAY DIFFRACTION 1.5Å

e4oiyB1[B:827-1010] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN TRANSPORT PROTEIN SEC7 ; ligands: MG ; X-RAY DIFFRACTION 1.5Å

e2r09A1[A:54-259] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cytohesin-3 ; ligands: PE5,PGE,SO4 ; X-RAY DIFFRACTION 1.95Å

e2r09B1[B:54-257] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cytohesin-3 ; ligands: SO4 ; X-RAY DIFFRACTION 1.95Å

e2r0dA1[A:54-259] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cytohesin-3 ; ligands: SO4 ; X-RAY DIFFRACTION 1.9Å

e2r0dB1[B:54-259] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cytohesin-3 ; ligands: SO4 ; X-RAY DIFFRACTION 1.9Å

e4d7qA1[A:0-197] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RALF, PROLINE/BETAINE TRANSPORTER ; ligands: EPE,GOL,NO3,PEG ; X-RAY DIFFRACTION 2.00Å

e4d7rA2[A:-2-195] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROLINE/BETAINE TRANSPORTER, RALF ; X-RAY DIFFRACTION 1.80Å

e4z21A1[A:52-247] Image Pymol Jmol Links: PDB, SCOP, CATH

Cytohesin-2 ; ligands: EDO ; X-RAY DIFFRACTION 2.05Å

e5nlvA1[A:386-595] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

IQ motif and SEC7 domain-containing protein 1 ; X-RAY DIFFRACTION 2.4Å

e5nlyA2[A:394-595] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

IQ motif and SEC7 domain-containing protein 1 ; X-RAY DIFFRACTION 2.0Å

e5nlyB2[B:397-595] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

IQ motif and SEC7 domain-containing protein 1 ; X-RAY DIFFRACTION 2.0Å

e6bbpA1[A:53-259] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cytohesin-3,ADP-ribosylation factor 6 ; ELECTRON MICROSCOPY

e6faeA2[A:398-595] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

IQ motif and SEC7 domain-containing protein 2 ; ligands: EDO ; X-RAY DIFFRACTION 2.35Å

e6bbqA2[A:53-259] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cytohesin-3,ADP-ribosylation factor 6 ; ELECTRON MICROSCOPY

e6fneA2[A:397-595] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

IQ motif and SEC7 domain-containing protein 1 ; ligands: 2PE ; X-RAY DIFFRACTION 2.5Å

e6fneB1[B:398-595] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

IQ motif and SEC7 domain-containing protein 1 ; X-RAY DIFFRACTION 2.5Å

e7vmbA2[A:515-717] Image Pymol Jmol Links: PDB, SCOP, CATH

IQ motif and SEC7 domain-containing protein 1 ; ligands: GOL ; X-RAY DIFFRACTION 1.9Å

e1ku1A1[A:-9-759] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ARF guanine-nucleotide exchange factor 2 ; X-RAY DIFFRACTION 1.93Å

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

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