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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

X: Alpha-beta plaits
H: Dimeric alpha+beta barrel
T: Dimeric alpha+beta barrel
F: Dabb

PF07876 CL0032

Representatives:

e1tr0A1[A:3-108] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

STABLE PROTEIN 1 ; ligands: GOL ; X-RAY DIFFRACTION 1.8Å

e1rjjA1[A:1-111] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

expressed protein ; SOLUTION NMR

e1rjjB1[B:1-111] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

expressed protein ; SOLUTION NMR

e1si9A1[A:3-108] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

stable protein 1 ; ligands: GOL ; X-RAY DIFFRACTION 2.27Å

e1q53B1[B:5-108] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

EXPRESSED PROTEIN: AT3G17210 ; SOLUTION NMR

e1tr0U1[U:3-108] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

STABLE PROTEIN 1 ; ligands: GOL ; X-RAY DIFFRACTION 1.8Å

e1q53A1[A:5-108] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

EXPRESSED PROTEIN: AT3G17210 ; SOLUTION NMR

e1tr0L1[L:3-108] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

STABLE PROTEIN 1 ; ligands: GOL ; X-RAY DIFFRACTION 1.8Å

e1tr0P1[P:3-108] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

STABLE PROTEIN 1 ; ligands: GOL ; X-RAY DIFFRACTION 1.8Å

e1si9B1[B:3-108] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

stable protein 1 ; ligands: GOL ; X-RAY DIFFRACTION 2.27Å

e1tr0I1[I:3-108] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

STABLE PROTEIN 1 ; ligands: GOL ; X-RAY DIFFRACTION 1.8Å

e1tr0J1[J:3-108] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

STABLE PROTEIN 1 ; ligands: GOL ; X-RAY DIFFRACTION 1.8Å

e1tr0Y1[Y:3-108] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

STABLE PROTEIN 1 ; ligands: GOL ; X-RAY DIFFRACTION 1.8Å

e1q4rA1[A:10-108] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

protein At3g17210 ; ligands: MG ; X-RAY DIFFRACTION 1.90Å

e1tr0C1[C:3-108] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

STABLE PROTEIN 1 ; ligands: GOL ; X-RAY DIFFRACTION 1.8Å

e1tr0M1[M:3-108] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

STABLE PROTEIN 1 ; ligands: GOL ; X-RAY DIFFRACTION 1.8Å

e1tr0G1[G:3-108] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

STABLE PROTEIN 1 ; ligands: GOL ; X-RAY DIFFRACTION 1.8Å

e1tr0S1[S:3-108] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

STABLE PROTEIN 1 ; ligands: GOL ; X-RAY DIFFRACTION 1.8Å

e1tr0W1[W:3-108] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

STABLE PROTEIN 1 ; ligands: GOL ; X-RAY DIFFRACTION 1.8Å

e1tr0K1[K:3-108] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

STABLE PROTEIN 1 ; ligands: GOL ; X-RAY DIFFRACTION 1.8Å

e1si9C1[C:3-108] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

stable protein 1 ; ligands: GOL ; X-RAY DIFFRACTION 2.27Å

e1tr0E1[E:3-108] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

STABLE PROTEIN 1 ; ligands: GOL ; X-RAY DIFFRACTION 1.8Å

e2q3pA1[A:10-108] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

UNCHARACTERIZED PROTEIN AT3G17210 ; ligands: MG ; X-RAY DIFFRACTION 1.9Å

e1tr0X1[X:3-108] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

STABLE PROTEIN 1 ; ligands: GOL ; X-RAY DIFFRACTION 1.8Å

e1tr0V1[V:3-108] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

STABLE PROTEIN 1 ; ligands: GOL ; X-RAY DIFFRACTION 1.8Å

e1tr0R1[R:3-108] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

STABLE PROTEIN 1 ; ligands: GOL ; X-RAY DIFFRACTION 1.8Å

e1tr0H1[H:3-108] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

STABLE PROTEIN 1 ; ligands: GOL ; X-RAY DIFFRACTION 1.8Å

e1tr0B1[B:3-108] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

STABLE PROTEIN 1 ; ligands: GOL ; X-RAY DIFFRACTION 1.8Å

e1tr0N1[N:3-108] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

STABLE PROTEIN 1 ; ligands: GOL ; X-RAY DIFFRACTION 1.8Å

e1tr0T1[T:3-108] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

STABLE PROTEIN 1 ; ligands: GOL ; X-RAY DIFFRACTION 1.8Å

e1tr0O1[O:3-108] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

STABLE PROTEIN 1 ; ligands: GOL ; X-RAY DIFFRACTION 1.8Å

e1tr0F1[F:3-108] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

STABLE PROTEIN 1 ; ligands: GOL ; X-RAY DIFFRACTION 1.8Å

e1tr0D1[D:3-108] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

STABLE PROTEIN 1 ; ligands: GOL ; X-RAY DIFFRACTION 1.8Å

e3bb5A1[A:0-102] Image Pymol Jmol Links: PDB, SCOP, CATH

Stress responsive alpha-beta protein ; ligands: CIT,EDO ; X-RAY DIFFRACTION 2.30Å

e3bdeA1[A:-1-98] Image Pymol Jmol Links: PDB, SCOP, CATH

Mll5499 protein ; ligands: ACT,EDO ; X-RAY DIFFRACTION 1.79Å

e3bn7A1[A:0-101] Image Pymol Jmol Links: PDB, SCOP, CATH

Ferredoxin-like protein ; ligands: ACT ; X-RAY DIFFRACTION 1.64Å

e3fmbA1[A:-3-99] Image Pymol Jmol Links: PDB, SCOP, CATH

Dimeric protein of unknown function and ferredoxin-like fold ; ligands: EDO,SO4 ; X-RAY DIFFRACTION 1.85Å

e3bguA1[A:-8-97] Image Pymol Jmol Links: PDB, SCOP, CATH

Ferredoxin-like protein of unknown function ; ligands: CL,EDO,NBZ ; X-RAY DIFFRACTION 1.50Å

e2qycA1[A:0-101] Image Pymol Jmol Links: PDB, SCOP, CATH

Ferredoxin-like protein ; ligands: ACT,EDO ; X-RAY DIFFRACTION 1.90Å

e3bb5B1[B:0-102] Image Pymol Jmol Links: PDB, SCOP, CATH

Stress responsive alpha-beta protein ; ligands: CIT,EDO ; X-RAY DIFFRACTION 2.30Å

e3bb5C1[C:0-102] Image Pymol Jmol Links: PDB, SCOP, CATH

Stress responsive alpha-beta protein ; ligands: CIT,EDO ; X-RAY DIFFRACTION 2.30Å

e3bb5D1[D:-5-102] Image Pymol Jmol Links: PDB, SCOP, CATH

Stress responsive alpha-beta protein ; ligands: CIT ; X-RAY DIFFRACTION 2.30Å

e3bb5E1[E:-1-102] Image Pymol Jmol Links: PDB, SCOP, CATH

Stress responsive alpha-beta protein ; ligands: CIT,EDO ; X-RAY DIFFRACTION 2.30Å

e3bb5F1[F:0-102] Image Pymol Jmol Links: PDB, SCOP, CATH

Stress responsive alpha-beta protein ; ligands: CIT,EDO ; X-RAY DIFFRACTION 2.30Å

e3bdeB1[B:0-98] Image Pymol Jmol Links: PDB, SCOP, CATH

Mll5499 protein ; ligands: EDO ; X-RAY DIFFRACTION 1.79Å

e3fmbB1[B:-3-99] Image Pymol Jmol Links: PDB, SCOP, CATH

Dimeric protein of unknown function and ferredoxin-like fold ; ligands: EDO,SO4 ; X-RAY DIFFRACTION 1.85Å

e3bguB1[B:-6-97] Image Pymol Jmol Links: PDB, SCOP, CATH

Ferredoxin-like protein of unknown function ; ligands: ACT,EDO ; X-RAY DIFFRACTION 1.50Å

e2qycB1[B:0-101] Image Pymol Jmol Links: PDB, SCOP, CATH

Ferredoxin-like protein ; ligands: ACT,CL,EDO ; X-RAY DIFFRACTION 1.90Å

e5b08A1[A:2-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Olivetolic acid cyclase ; X-RAY DIFFRACTION 1.400Å

e5b08B1[B:-2-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Olivetolic acid cyclase ; X-RAY DIFFRACTION 1.400Å

e5b09A1[A:3-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Olivetolic acid cyclase ; ligands: 4MX ; X-RAY DIFFRACTION 1.70Å

e5b0aA1[A:2-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Olivetolic acid cyclase ; X-RAY DIFFRACTION 2.10Å

e5b0aB1[B:2-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Olivetolic acid cyclase ; X-RAY DIFFRACTION 2.10Å

e5b0bA1[A:2-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Olivetolic acid cyclase ; ligands: ACT ; X-RAY DIFFRACTION 2.180Å

e5b0bB1[B:2-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Olivetolic acid cyclase ; ligands: ACT ; X-RAY DIFFRACTION 2.180Å

e5b0bC1[C:2-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Olivetolic acid cyclase ; ligands: ACT ; X-RAY DIFFRACTION 2.180Å

e5b0bD1[D:2-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Olivetolic acid cyclase ; ligands: ACT ; X-RAY DIFFRACTION 2.180Å

e5b0cA1[A:2-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Olivetolic acid cyclase ; X-RAY DIFFRACTION 1.6Å

e5b0cB1[B:2-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Olivetolic acid cyclase ; X-RAY DIFFRACTION 1.6Å

e5b0dA1[A:2-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Olivetolic acid cyclase ; X-RAY DIFFRACTION 1.8Å

e5b0dB1[B:2-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Olivetolic acid cyclase ; X-RAY DIFFRACTION 1.8Å

e5b0eA1[A:2-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Olivetolic acid cyclase ; ligands: GOL ; X-RAY DIFFRACTION 1.6Å

e5b0eB1[B:-2-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Olivetolic acid cyclase ; X-RAY DIFFRACTION 1.6Å

e5b0fA1[A:2-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Olivetolic acid cyclase ; X-RAY DIFFRACTION 1.6Å

e5b0fB1[B:2-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Olivetolic acid cyclase ; ligands: GOL ; X-RAY DIFFRACTION 1.6Å

e5b0gA1[A:2-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Olivetolic acid cyclase ; X-RAY DIFFRACTION 1.4Å

e5xzqA1[A:3-110] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hydroxynitrile lyase ; X-RAY DIFFRACTION 2.8Å

e5xzqB1[B:3-109] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hydroxynitrile lyase ; X-RAY DIFFRACTION 2.8Å

e5xzqC1[C:2-109] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hydroxynitrile lyase ; X-RAY DIFFRACTION 2.8Å

e5xzqD1[D:2-109] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hydroxynitrile lyase ; X-RAY DIFFRACTION 2.8Å

e5xzqE1[E:3-108] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hydroxynitrile lyase ; X-RAY DIFFRACTION 2.8Å

e5xzqF1[F:4-106] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hydroxynitrile lyase ; X-RAY DIFFRACTION 2.8Å

e5xzqG1[G:3-107] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hydroxynitrile lyase ; X-RAY DIFFRACTION 2.8Å

e5xzqH1[H:3-109] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hydroxynitrile lyase ; X-RAY DIFFRACTION 2.8Å

e5xzqI1[I:3-109] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hydroxynitrile lyase ; X-RAY DIFFRACTION 2.8Å

e5xzqJ1[J:2-109] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hydroxynitrile lyase ; X-RAY DIFFRACTION 2.8Å

e5xzqK1[K:3-106] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hydroxynitrile lyase ; X-RAY DIFFRACTION 2.8Å

e5xzqL1[L:3-109] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hydroxynitrile lyase ; X-RAY DIFFRACTION 2.8Å

e5xztA1[A:3-106] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hydroxynitrile lyase ; ligands: HEZ ; X-RAY DIFFRACTION 1.8Å

e5xztB1[B:3-106] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hydroxynitrile lyase ; ligands: HEZ ; X-RAY DIFFRACTION 1.8Å

e5xztC1[C:0-106] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hydroxynitrile lyase ; ligands: HEZ ; X-RAY DIFFRACTION 1.8Å

e5xztD1[D:2-106] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hydroxynitrile lyase ; ligands: HEZ ; X-RAY DIFFRACTION 1.8Å

e5xztE1[E:2-106] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hydroxynitrile lyase ; ligands: HEZ ; X-RAY DIFFRACTION 1.8Å

e5xztF1[F:3-106] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hydroxynitrile lyase ; ligands: HEZ ; X-RAY DIFFRACTION 1.8Å

e5xztG1[G:3-106] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hydroxynitrile lyase ; ligands: HEZ ; X-RAY DIFFRACTION 1.8Å

e5xztH1[H:0-106] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hydroxynitrile lyase ; ligands: HEZ ; X-RAY DIFFRACTION 1.8Å

e5xztI1[I:3-106] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hydroxynitrile lyase ; ligands: HEZ ; X-RAY DIFFRACTION 1.8Å

e5xztJ1[J:4-106] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hydroxynitrile lyase ; ligands: HEZ ; X-RAY DIFFRACTION 1.8Å

e5xztK1[K:3-106] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hydroxynitrile lyase ; ligands: HEZ ; X-RAY DIFFRACTION 1.8Å

e5xztL1[L:3-106] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hydroxynitrile lyase ; ligands: HEZ ; X-RAY DIFFRACTION 1.8Å

e5y02A1[A:3-106] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hydroxynitrile lyase ; ligands: HEZ,MXN ; X-RAY DIFFRACTION 1.8Å

e5y02B1[B:3-106] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hydroxynitrile lyase ; ligands: HEZ,MXN ; X-RAY DIFFRACTION 1.8Å

e5y02C1[C:0-106] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hydroxynitrile lyase ; ligands: HEZ,MXN ; X-RAY DIFFRACTION 1.8Å

e5y02D1[D:2-106] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hydroxynitrile lyase ; ligands: HEZ,MXN ; X-RAY DIFFRACTION 1.8Å

e5y02E1[E:4-106] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hydroxynitrile lyase ; ligands: HEZ,MXN ; X-RAY DIFFRACTION 1.8Å

e5y02F1[F:4-106] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hydroxynitrile lyase ; ligands: HEZ,MXN ; X-RAY DIFFRACTION 1.8Å

e5y02G1[G:3-106] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hydroxynitrile lyase ; ligands: HEZ ; X-RAY DIFFRACTION 1.8Å

e5y02H1[H:2-106] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hydroxynitrile lyase ; ligands: HEZ ; X-RAY DIFFRACTION 1.8Å

e5y02I1[I:2-106] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hydroxynitrile lyase ; ligands: HBX,HEZ ; X-RAY DIFFRACTION 1.8Å

e5y02J1[J:3-106] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hydroxynitrile lyase ; ligands: HEZ ; X-RAY DIFFRACTION 1.8Å

e5y02K1[K:4-106] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hydroxynitrile lyase ; ligands: MXN ; X-RAY DIFFRACTION 1.8Å

e5y02L1[L:3-106] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hydroxynitrile lyase ; ligands: HBX,HEZ,MXN ; X-RAY DIFFRACTION 1.8Å

e7w6dA1[A:-2-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Olivetolic acid cyclase ; ligands: 4MX ; X-RAY DIFFRACTION 1.54Å

e7w6dB1[B:-2-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Olivetolic acid cyclase ; ligands: 4MX ; X-RAY DIFFRACTION 1.54Å

e7w6eA1[A:-2-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Olivetolic acid cyclase ; ligands: 8HL ; X-RAY DIFFRACTION 1.38Å

e7w6eB1[B:-2-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Olivetolic acid cyclase ; ligands: 8HL ; X-RAY DIFFRACTION 1.38Å

e7w6fA1[A:-2-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Olivetolic acid cyclase ; ligands: 8I6,GOL ; X-RAY DIFFRACTION 1.58Å

e7w6fB1[B:-2-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Olivetolic acid cyclase ; ligands: 8I6,GOL ; X-RAY DIFFRACTION 1.58Å

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.

X: LuxS, MPP, ThrRS/AlaRS common domain

looks like an elaborated ferredoxin

X: ClpS-like

contains a HTH motif

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