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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: Cas7-related
T: CRISPR-associated protein Cas7f/Csy3
F: Cas_Csy3

PF09615

Representatives:

e6b44F1[F:5-339] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRISPR-associated protein Csy3 ; ELECTRON MICROSCOPY

e5uz9F1[F:24-358] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRISPR-associated protein Csy3 ; ELECTRON MICROSCOPY

e5uz9G1[G:25-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRISPR-associated protein Csy3 ; ELECTRON MICROSCOPY

e5uz9H1[H:25-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRISPR-associated protein Csy3 ; ELECTRON MICROSCOPY

e6vqvE1[E:24-62,E:100-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRISPR-associated protein Csy3 ; ELECTRON MICROSCOPY

e6vqvF1[F:24-356] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRISPR-associated protein Csy3 ; ELECTRON MICROSCOPY

e6vqvG1[G:23-356] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRISPR-associated protein Csy3 ; ELECTRON MICROSCOPY

e6vqvH1[H:23-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRISPR-associated protein Csy3 ; ELECTRON MICROSCOPY

e6vqvI1[I:24-356] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRISPR-associated protein Csy3 ; ELECTRON MICROSCOPY

e6vqvJ1[J:24-360] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRISPR-associated protein Csy3 ; ELECTRON MICROSCOPY

e6vqwD1[D:24-66,D:95-356] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRISPR-associated protein Csy3 ; ELECTRON MICROSCOPY

e6vqwE1[E:24-356] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRISPR-associated protein Csy3 ; ELECTRON MICROSCOPY

e6vqwF1[F:23-356] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRISPR-associated protein Csy3 ; ELECTRON MICROSCOPY

e6vqwG1[G:23-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRISPR-associated protein Csy3 ; ELECTRON MICROSCOPY

e6vqwH1[H:24-356] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRISPR-associated protein Csy3 ; ELECTRON MICROSCOPY

e6vqwI1[I:26-355] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRISPR-associated protein Csy3 ; ELECTRON MICROSCOPY

e6vqxD1[D:24-66,D:95-356] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRISPR-associated protein Csy3 ; ELECTRON MICROSCOPY

e6vqxE1[E:24-356] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRISPR-associated protein Csy3 ; ELECTRON MICROSCOPY

e6vqxF1[F:23-356] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRISPR-associated protein Csy3 ; ELECTRON MICROSCOPY

e6vqxG1[G:23-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRISPR-associated protein Csy3 ; ELECTRON MICROSCOPY

e6vqxH1[H:24-356] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRISPR-associated protein Csy3 ; ELECTRON MICROSCOPY

e6vqxI1[I:24-356] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRISPR-associated protein Csy3 ; ELECTRON MICROSCOPY

e6w1xE1[E:24-358] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRISPR-associated protein Csy3 ; ELECTRON MICROSCOPY

e6w1xD1[D:24-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRISPR-associated protein Csy3 ; ELECTRON MICROSCOPY

e6w1xF1[F:24-358] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRISPR-associated protein Csy3 ; ELECTRON MICROSCOPY

e6w1xG1[G:25-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRISPR-associated protein Csy3 ; ELECTRON MICROSCOPY

e6w1xH1[H:25-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRISPR-associated protein Csy3 ; ELECTRON MICROSCOPY

e6whiD1[D:24-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRISPR-associated protein Csy3 ; ELECTRON MICROSCOPY

e6whiE1[E:24-358] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRISPR-associated protein Csy3 ; ELECTRON MICROSCOPY

e6whiF1[F:24-358] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRISPR-associated protein Csy3 ; ELECTRON MICROSCOPY

e6whiG1[G:25-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRISPR-associated protein Csy3 ; ELECTRON MICROSCOPY

e6whiH1[H:25-356] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRISPR-associated protein Csy3 ; ELECTRON MICROSCOPY

e6w1xC1[C:25-66,C:98-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRISPR-associated protein Csy3 ; ELECTRON MICROSCOPY

e6whiC1[C:25-66,C:98-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRISPR-associated protein Csy3 ; ELECTRON MICROSCOPY

e6vbwB1[B:1-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cas7 ; ELECTRON MICROSCOPY

e6lnbG1[G:2-352] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRISPR-associated protein Cas7 ; ELECTRON MICROSCOPY

e6lnbF1[F:1-350] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRISPR-associated protein Cas7 ; ELECTRON MICROSCOPY

e6lncG1[G:1-350] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRISPR-associated protein Cas7 ; ELECTRON MICROSCOPY

e6lnbE1[E:2-350] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRISPR-associated protein Cas7 ; ELECTRON MICROSCOPY

e6lnbD1[D:2-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRISPR-associated protein Cas7 ; ELECTRON MICROSCOPY

e6lnbC1[C:2-350] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRISPR-associated protein Cas7 ; ELECTRON MICROSCOPY

e6lncF1[F:2-350] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRISPR-associated protein Cas7 ; ELECTRON MICROSCOPY

e6lncE1[E:2-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRISPR-associated protein Cas7 ; ELECTRON MICROSCOPY

e6lncC1[C:2-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRISPR-associated protein Cas7 ; ELECTRON MICROSCOPY

e6pijA1[A:2-352] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

cas7 type I-F CRISPR-associated protein Csy3 ; ELECTRON MICROSCOPY

e6pijF1[F:2-43,F:70-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

cas7 type I-F CRISPR-associated protein Csy3 ; ELECTRON MICROSCOPY

e6pifA1[A:2-352] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cas7, type I-F CRISPR-associated protein ; ELECTRON MICROSCOPY

e6pifB1[B:2-350] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cas7, type I-F CRISPR-associated protein ; ELECTRON MICROSCOPY

e6pifC1[C:2-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cas7, type I-F CRISPR-associated protein ; ELECTRON MICROSCOPY

e6pifD1[D:2-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cas7, type I-F CRISPR-associated protein ; ELECTRON MICROSCOPY

e6pifE1[E:2-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cas7, type I-F CRISPR-associated protein ; ELECTRON MICROSCOPY

e6pifF1[F:2-43,F:70-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cas7, type I-F CRISPR-associated protein ; ELECTRON MICROSCOPY

e6pigA1[A:2-352] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

cas7 type I-F CRISPR-associated protein Csy3 ; ELECTRON MICROSCOPY

e6pigB1[B:2-350] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

cas7 type I-F CRISPR-associated protein Csy3 ; ELECTRON MICROSCOPY

e6pigC1[C:2-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

cas7 type I-F CRISPR-associated protein Csy3 ; ELECTRON MICROSCOPY

e6pigD1[D:2-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

cas7 type I-F CRISPR-associated protein Csy3 ; ELECTRON MICROSCOPY

e6pigE1[E:2-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

cas7 type I-F CRISPR-associated protein Csy3 ; ELECTRON MICROSCOPY

e6pigF1[F:2-43,F:70-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

cas7 type I-F CRISPR-associated protein Csy3 ; ELECTRON MICROSCOPY

e6pijB1[B:2-350] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

cas7 type I-F CRISPR-associated protein Csy3 ; ELECTRON MICROSCOPY

e6pijC1[C:2-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

cas7 type I-F CRISPR-associated protein Csy3 ; ELECTRON MICROSCOPY

e6pijD1[D:2-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

cas7 type I-F CRISPR-associated protein Csy3 ; ELECTRON MICROSCOPY

e6pijE1[E:2-350] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

cas7 type I-F CRISPR-associated protein Csy3 ; ELECTRON MICROSCOPY

e6uvnG1[G:4-353] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cas7 ; ELECTRON MICROSCOPY

e6uvnF1[F:4-353] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cas7 ; ELECTRON MICROSCOPY

e6uvnE1[E:4-353] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cas7 ; ELECTRON MICROSCOPY

e6uvnH1[H:4-353] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cas7 ; ELECTRON MICROSCOPY

e6uvnD1[D:4-353] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cas7 ; ELECTRON MICROSCOPY

e6uvnC1[C:4-43,C:73-353] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cas7 ; ELECTRON MICROSCOPY

e6v9qG1[G:1-36,G:73-350] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Type I-F CRISPR-associated protein Csy3 ; ELECTRON MICROSCOPY

e6v9qB1[B:1-350] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Type I-F CRISPR-associated protein Csy3 ; ELECTRON MICROSCOPY

e6v9qC1[C:1-350] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Type I-F CRISPR-associated protein Csy3 ; ELECTRON MICROSCOPY

e6v9qD1[D:1-350] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Type I-F CRISPR-associated protein Csy3 ; ELECTRON MICROSCOPY

e6v9qE1[E:1-350] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Type I-F CRISPR-associated protein Csy3 ; ELECTRON MICROSCOPY

e6v9qF1[F:1-350] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Type I-F CRISPR-associated protein Csy3 ; ELECTRON MICROSCOPY

e6vbwC1[C:1-350] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cas7 ; ELECTRON MICROSCOPY

e6vbwD1[D:1-350] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cas7 ; ELECTRON MICROSCOPY

e6vbwF1[F:1-350] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cas7 ; ELECTRON MICROSCOPY

e6vbwE1[E:1-350] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cas7 ; ELECTRON MICROSCOPY

e6vbwG1[G:1-39,G:71-350] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cas7 ; ELECTRON MICROSCOPY

e6lnbB1[B:2-38,B:70-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRISPR-associated protein Cas7 ; ELECTRON MICROSCOPY

e6lncD1[D:1-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRISPR-associated protein Cas7 ; ELECTRON MICROSCOPY

e6lncB1[B:2-43,B:70-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRISPR-associated protein Cas7 ; ELECTRON MICROSCOPY

e6kqrE1[E:10-343] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRISPR-associated protein Csy3 family ; X-RAY DIFFRACTION 2.899Å

e6kqrA1[A:10-342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRISPR-associated protein Csy3 family ; X-RAY DIFFRACTION 2.899Å

e6kqrB1[B:10-342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRISPR-associated protein Csy3 family ; X-RAY DIFFRACTION 2.899Å

e6kqrC1[C:10-342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRISPR-associated protein Csy3 family ; X-RAY DIFFRACTION 2.899Å

e6kqrD1[D:10-342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRISPR-associated protein Csy3 family ; X-RAY DIFFRACTION 2.899Å

e6kqrF1[F:10-343] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRISPR-associated protein Csy3 family ; X-RAY DIFFRACTION 2.899Å

e6kqrG1[G:10-343] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRISPR-associated protein Csy3 family ; X-RAY DIFFRACTION 2.899Å

Previous
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