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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

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

X: Ribonuclease H-like
H: Ribonuclease H-like
T: Ribonuclease H-like
F: StbA_N

PF06406 CL0108

Representatives:

e2zgyA1[A:1-157] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PLASMID SEGREGATION PROTEIN PARM ; ligands: GDP,MG ; X-RAY DIFFRACTION 1.9Å

e2zgzB1[B:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PLASMID SEGREGATION PROTEIN PARM ; ligands: GNP,MG ; X-RAY DIFFRACTION 2.25Å

e1mwmB1[B:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ParM ; ligands: ADP,MG ; X-RAY DIFFRACTION 1.99Å

e2qu4A1[A:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Plasmid segregation protein parM ; ELECTRON MICROSCOPY

e2zgzA1[A:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PLASMID SEGREGATION PROTEIN PARM ; ligands: GNP,MG ; X-RAY DIFFRACTION 2.25Å

e2zhcA1[A:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Plasmid segregation protein parM ; ligands: ADP,MG ; ELECTRON MICROSCOPY

e1mwmA1[A:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ParM ; ligands: ADP ; X-RAY DIFFRACTION 1.99Å

e2zgyB1[B:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PLASMID SEGREGATION PROTEIN PARM ; ligands: GDP,MG ; X-RAY DIFFRACTION 1.9Å

e1mwkB1[B:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ParM ; X-RAY DIFFRACTION 2.3Å

e1mwkA1[A:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ParM ; X-RAY DIFFRACTION 2.3Å

e3ikuA1[A:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Plasmid segregation protein parM ; ELECTRON MICROSCOPY

e4a62A1[A:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PLASMID SEGREGATION PROTEIN PARM ; ligands: ANP,MG ; X-RAY DIFFRACTION 2.20Å

e4a6jA1[A:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PLASMID SEGREGATION PROTEIN PARM ; ligands: ANP,MG ; ELECTRON MICROSCOPY

e3ikuB1[B:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Plasmid segregation protein parM ; ELECTRON MICROSCOPY

e3ikuC1[C:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Plasmid segregation protein parM ; ELECTRON MICROSCOPY

e3ikuD1[D:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Plasmid segregation protein parM ; ELECTRON MICROSCOPY

e3ikuE1[E:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Plasmid segregation protein parM ; ELECTRON MICROSCOPY

e3ikuF1[F:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Plasmid segregation protein parM ; ELECTRON MICROSCOPY

e3ikuG1[G:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Plasmid segregation protein parM ; ELECTRON MICROSCOPY

e3ikuH1[H:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Plasmid segregation protein parM ; ELECTRON MICROSCOPY

e3ikuI1[I:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Plasmid segregation protein parM ; ELECTRON MICROSCOPY

e3ikuJ1[J:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Plasmid segregation protein parM ; ELECTRON MICROSCOPY

e3ikuK1[K:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Plasmid segregation protein parM ; ELECTRON MICROSCOPY

e3ikuL1[L:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Plasmid segregation protein parM ; ELECTRON MICROSCOPY

e3ikyA1[A:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Plasmid segregation protein parM ; ELECTRON MICROSCOPY

e3ikyB1[B:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Plasmid segregation protein parM ; ELECTRON MICROSCOPY

e3ikyC1[C:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Plasmid segregation protein parM ; ELECTRON MICROSCOPY

e3ikyD1[D:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Plasmid segregation protein parM ; ELECTRON MICROSCOPY

e3ikyE1[E:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Plasmid segregation protein parM ; ELECTRON MICROSCOPY

e3ikyF1[F:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Plasmid segregation protein parM ; ELECTRON MICROSCOPY

e3ikyG1[G:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Plasmid segregation protein parM ; ELECTRON MICROSCOPY

e3ikyH1[H:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Plasmid segregation protein parM ; ELECTRON MICROSCOPY

e3ikyI1[I:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Plasmid segregation protein parM ; ELECTRON MICROSCOPY

e3ikyJ1[J:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Plasmid segregation protein parM ; ELECTRON MICROSCOPY

e3ikyK1[K:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Plasmid segregation protein parM ; ELECTRON MICROSCOPY

e3ikyL1[L:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Plasmid segregation protein parM ; ELECTRON MICROSCOPY

e4a6jD1[D:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PLASMID SEGREGATION PROTEIN PARM ; ligands: ANP,MG ; ELECTRON MICROSCOPY

e4a6jI1[I:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PLASMID SEGREGATION PROTEIN PARM ; ligands: ANP,MG ; ELECTRON MICROSCOPY

e4a6jE1[E:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PLASMID SEGREGATION PROTEIN PARM ; ligands: ANP,MG ; ELECTRON MICROSCOPY

e4a6jJ1[J:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PLASMID SEGREGATION PROTEIN PARM ; ligands: ANP,MG ; ELECTRON MICROSCOPY

e4a6jC1[C:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PLASMID SEGREGATION PROTEIN PARM ; ligands: ANP,MG ; ELECTRON MICROSCOPY

e4a6jH1[H:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PLASMID SEGREGATION PROTEIN PARM ; ligands: ANP,MG ; ELECTRON MICROSCOPY

e4a6jG1[G:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PLASMID SEGREGATION PROTEIN PARM ; ligands: ANP,MG ; ELECTRON MICROSCOPY

e4a61A1[A:-4-152] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PLASMID SEGREGATION PROTEIN PARM ; ligands: ANP,MG ; X-RAY DIFFRACTION 2.0Å

e4a62B1[B:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PLASMID SEGREGATION PROTEIN PARM ; ligands: ANP,MG ; X-RAY DIFFRACTION 2.20Å

e4a6jF1[F:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PLASMID SEGREGATION PROTEIN PARM ; ligands: ANP,MG ; ELECTRON MICROSCOPY

e4a6jB1[B:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PLASMID SEGREGATION PROTEIN PARM ; ligands: ANP,MG ; ELECTRON MICROSCOPY

e5aeyA2[A:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PLASMID SEGREGATION PROTEIN PARM ; ligands: ANP ; ELECTRON MICROSCOPY

e5aeyB1[B:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PLASMID SEGREGATION PROTEIN PARM ; ligands: ANP ; ELECTRON MICROSCOPY

e5aeyC2[C:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PLASMID SEGREGATION PROTEIN PARM ; ligands: ANP ; ELECTRON MICROSCOPY

e5aeyD2[D:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PLASMID SEGREGATION PROTEIN PARM ; ligands: ANP ; ELECTRON MICROSCOPY

e5aeyE1[E:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PLASMID SEGREGATION PROTEIN PARM ; ligands: ANP ; ELECTRON MICROSCOPY

e5ai7A1[A:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PLASMID SEGREGATION PROTEIN PARM ; ELECTRON MICROSCOPY

e5ai7B2[B:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PLASMID SEGREGATION PROTEIN PARM ; ELECTRON MICROSCOPY

e5ai7C2[C:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PLASMID SEGREGATION PROTEIN PARM ; ELECTRON MICROSCOPY

e5ai7D2[D:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PLASMID SEGREGATION PROTEIN PARM ; ELECTRON MICROSCOPY

e5ai7E2[E:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PLASMID SEGREGATION PROTEIN PARM ; ELECTRON MICROSCOPY

e5ai7F1[F:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PLASMID SEGREGATION PROTEIN PARM ; ELECTRON MICROSCOPY

e5ai7G1[G:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PLASMID SEGREGATION PROTEIN PARM ; ELECTRON MICROSCOPY

e5ai7H1[H:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PLASMID SEGREGATION PROTEIN PARM ; ELECTRON MICROSCOPY

e5ai7I2[I:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PLASMID SEGREGATION PROTEIN PARM ; ELECTRON MICROSCOPY

e5ai7J1[J:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PLASMID SEGREGATION PROTEIN PARM ; ELECTRON MICROSCOPY

e5ai7K2[K:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PLASMID SEGREGATION PROTEIN PARM ; ELECTRON MICROSCOPY

e5ai7L2[L:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PLASMID SEGREGATION PROTEIN PARM ; ELECTRON MICROSCOPY

e5ai7M2[M:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PLASMID SEGREGATION PROTEIN PARM ; ELECTRON MICROSCOPY

e5ai7N1[N:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PLASMID SEGREGATION PROTEIN PARM ; 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.

few secondary structure elementsstabilized by cofactors or disulfides

extended segmentsextended, non-globular segments, frequently bind to other proteins to form complexes