Home Help

X - Possible homology level

H - Homology level

T - Topology level

F - Family level

* - Provisional representative

Keyword search

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

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

X: ESX-1 secretion system protein eccB1 modular domains
H: ESX-1 secretion system protein eccB1 modular domains
T: ESX-1 secretion system protein eccB1 modular domains
F: T7SS_ESX1_EccB

PF05108

Representatives:

e4kk7A1[A:74-138] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ESX-1 secretion system protein eccB1 ; ligands: NI ; X-RAY DIFFRACTION 1.68Å

e4kk7A2[A:182-243] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ESX-1 secretion system protein eccB1 ; ligands: NI ; X-RAY DIFFRACTION 1.68Å

e5cyuA5[A:184-245] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Conserved membrane protein ; X-RAY DIFFRACTION 3.070Å

e3x3mA3[A:111-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ESX-1 secretion system protein EccB1 ; X-RAY DIFFRACTION 1.90Å

e3x3nA1[A:111-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ESX-1 secretion system protein EccB1 ; X-RAY DIFFRACTION 2.00Å

e5ebcA2[A:111-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ESX-1 secretion system protein eccB1 ; ligands: CA ; X-RAY DIFFRACTION 3.00Å

e5ebdA1[A:111-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ESX-1 secretion system protein eccB1 ; ligands: CA ; X-RAY DIFFRACTION 2.60Å

e6sgyA4[A:205-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ESX-3 secretion system protein EccB3 ; ELECTRON MICROSCOPY

e6sgyB4[B:205-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ESX-3 secretion system protein EccB3 ; ELECTRON MICROSCOPY

e7npsB12[B1:196-258] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ESX-5 secretion system ATPase EccB5 ; ELECTRON MICROSCOPY

e7npsB22[B2:196-258] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ESX-5 secretion system ATPase EccB5 ; ELECTRON MICROSCOPY

e7npsB34[B3:196-258] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ESX-5 secretion system ATPase EccB5 ; ELECTRON MICROSCOPY

e7npsB42[B4:196-258] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ESX-5 secretion system ATPase EccB5 ; ELECTRON MICROSCOPY

e7npsB55[B5:196-258] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ESX-5 secretion system ATPase EccB5 ; ELECTRON MICROSCOPY

e7npsB62[B6:196-258] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ESX-5 secretion system ATPase EccB5 ; ELECTRON MICROSCOPY

e4kk7A3[A:244-330] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ESX-1 secretion system protein eccB1 ; X-RAY DIFFRACTION 1.68Å

e4kk7A4[A:391-458] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ESX-1 secretion system protein eccB1 ; ligands: GOL ; X-RAY DIFFRACTION 1.68Å

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