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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: HTH
H: HTH
T: winged
F: TFIIE_beta

PF02186 CL0123

Representatives:

e1d8jA1[A:1-81] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GENERAL TRANSCRIPTION FACTOR TFIIE-BETA ; SOLUTION NMR

e5fywX2[X:123-187] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TRANSCRIPTION INITIATION FACTOR IIE SUBUNIT BETA ; ELECTRON MICROSCOPY

e1d8kA1[A:1-81] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GENERAL TRANSCRIPTION FACTOR TFIIE-BETA ; SOLUTION NMR

e5fmfS1[S:125-188] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TRANSCRIPTION INITIATION FACTOR IIE SUBUNIT BETA, TFA2 ; ELECTRON MICROSCOPY

e5fz5X2[X:123-188] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TRANSCRIPTION INITIATION FACTOR IIE SUBUNIT BETA ; ELECTRON MICROSCOPY

e5iy6R2[R:75-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transcription initiation factor IIE subunit beta ; ELECTRON MICROSCOPY

e5svai2[i:125-187] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transcription initiation factor IIE subunit beta ; ELECTRON MICROSCOPY

e5iy7R1[R:75-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transcription initiation factor IIE subunit beta ; ELECTRON MICROSCOPY

e5iy8R1[R:75-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transcription initiation factor IIE subunit beta ; ELECTRON MICROSCOPY

e5iy9R1[R:75-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transcription initiation factor IIE subunit beta ; ELECTRON MICROSCOPY

e5iyaR1[R:75-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transcription initiation factor IIE subunit beta ; ELECTRON MICROSCOPY

e5iybR1[R:75-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transcription initiation factor IIE subunit beta ; ELECTRON MICROSCOPY

e5iycR1[R:75-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transcription initiation factor IIE subunit beta ; ELECTRON MICROSCOPY

e5iydR1[R:75-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transcription initiation factor IIE subunit beta ; ELECTRON MICROSCOPY

e5oqjX1[X:123-188] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transcription initiation factor IIE subunit beta ; ELECTRON MICROSCOPY

e5oqmX1[X:123-188] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transcription initiation factor IIE subunit beta ; ELECTRON MICROSCOPY

e6gylX1[X:123-188] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transcription initiation factor IIE subunit beta ; ELECTRON MICROSCOPY

e6gymX3[X:123-188] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transcription initiation factor IIE subunit beta ; ELECTRON MICROSCOPY

e6o9lR2[R:75-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transcription initiation factor IIE subunit beta ; ELECTRON MICROSCOPY

e7lbmR2[R:75-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transcription initiation factor IIE subunit beta ; ELECTRON MICROSCOPY

e7eg9V1[V:68-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transcription initiation factor IIE subunit beta ; ELECTRON MICROSCOPY

e7egaV1[V:68-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transcription initiation factor IIE subunit beta ; ELECTRON MICROSCOPY

e7egbV2[V:68-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transcription initiation factor IIE subunit beta ; ELECTRON MICROSCOPY

e7nvrX3[X:72-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transcription initiation factor IIE subunit beta ; ELECTRON MICROSCOPY

e7nvsX3[X:72-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transcription initiation factor IIE subunit beta ; ELECTRON MICROSCOPY

e7nvtX3[X:72-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transcription initiation factor IIE subunit beta ; ELECTRON MICROSCOPY

e7nvuX3[X:72-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transcription initiation factor IIE subunit beta ; ELECTRON MICROSCOPY

e7nvyX2[X:72-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transcription initiation factor IIE subunit beta ; ELECTRON MICROSCOPY

e7nvzX3[X:72-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transcription initiation factor IIE subunit beta ; ELECTRON MICROSCOPY

e7nw0X1[X:72-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transcription initiation factor IIE subunit beta ; ELECTRON MICROSCOPY

e7egcV1[V:68-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transcription initiation factor IIE subunit beta ; ELECTRON MICROSCOPY

e7enaEB2[EB:68-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transcription initiation factor IIE subunit beta ; ELECTRON MICROSCOPY

e7encEB3[EB:68-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transcription initiation factor IIE subunit beta ; ELECTRON MICROSCOPY

e7ml0X1[X:123-188] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transcription initiation factor IIE subunit beta ; ELECTRON MICROSCOPY

e7ml1X2[X:123-188] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transcription initiation factor IIE subunit beta ; ELECTRON MICROSCOPY

e7ml2X1[X:123-188] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transcription initiation factor IIE subunit beta ; ELECTRON MICROSCOPY

e7ml4X1[X:123-188] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transcription initiation factor IIE subunit beta ; ELECTRON MICROSCOPY

e8gxqEB3[EB:72-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transcription initiation factor IIE subunit beta ; ELECTRON MICROSCOPY

e8gxsEB3[EB:72-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transcription initiation factor IIE subunit beta ; ELECTRON MICROSCOPY

e8bvwX2[X:72-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transcription initiation factor IIE subunit beta ; ELECTRON MICROSCOPY

e8byqX1[X:72-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transcription initiation factor IIE subunit beta ; ELECTRON MICROSCOPY

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.

T: DNA-binding domain of intron-encoded endonucleases

lacks the N-terminal helix, circularly permuted wing

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