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




Representatives:
e2jdiA3[A:95-379]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
ATP SYNTHASE SUBUNIT ALPHA HEART ISOFORM ; ligands: ANP,MG ; X-RAY DIFFRACTION 1.9Å
e3oe7E4[E:83-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA ; X-RAY DIFFRACTION 3.19Å
e3oe7F4[F:83-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA ; ligands: ANP,MG ; X-RAY DIFFRACTION 3.19Å
e3oeeD4[D:83-357] Image Pymol Jmol Links: PDB, SCOP, CATH
ATP SYNTHASE SUBUNIT BETA ; ligands: ANP,MG ; X-RAY DIFFRACTION 2.74Å
e3oeeF4[F:83-357] Image Pymol Jmol Links: PDB, SCOP, CATH
ATP SYNTHASE SUBUNIT BETA ; ligands: ANP,MG ; X-RAY DIFFRACTION 2.74Å
e2xokF4[F:83-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA, MITOCHONDRIAL ; ligands: ANP,MG ; X-RAY DIFFRACTION 3.01Å
e2hldE4[E:83-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE BETA CHAIN, MITOCHONDRIAL ; X-RAY DIFFRACTION 2.8Å
e2hldN4[N:83-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE BETA CHAIN, MITOCHONDRIAL ; ligands: PO4 ; X-RAY DIFFRACTION 2.8Å
e2hldO4[O:83-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE BETA CHAIN, MITOCHONDRIAL ; ligands: ANP,MG ; X-RAY DIFFRACTION 2.8Å
e2hldV4[V:83-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE BETA CHAIN, MITOCHONDRIAL ; ligands: ANP,MG ; X-RAY DIFFRACTION 2.8Å
e2wpdF4[F:83-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA, MITOCHONDRIAL ; ligands: ADP,ATP,MG ; X-RAY DIFFRACTION 3.43Å
e3oe7N4[N:83-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA ; ligands: PO4 ; X-RAY DIFFRACTION 3.19Å
e3oeeV4[V:83-357] Image Pymol Jmol Links: PDB, SCOP, CATH
ATP SYNTHASE SUBUNIT BETA ; ligands: ANP,MG ; X-RAY DIFFRACTION 2.74Å
e3oeeW4[W:83-357] Image Pymol Jmol Links: PDB, SCOP, CATH
ATP SYNTHASE SUBUNIT BETA ; X-RAY DIFFRACTION 2.74Å
e3oehD4[D:83-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA ; ligands: ANP,MG ; X-RAY DIFFRACTION 3.0Å
e3oehM4[M:83-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA ; ligands: ANP,MG ; X-RAY DIFFRACTION 3.0Å
e3oehN4[N:83-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA ; X-RAY DIFFRACTION 3.0Å
e3oehO4[O:83-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA ; ligands: ANP,MG ; X-RAY DIFFRACTION 3.0Å
e3oehV4[V:83-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA ; ligands: ANP,MG ; X-RAY DIFFRACTION 3.0Å
e3ofnE4[E:83-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA ; X-RAY DIFFRACTION 3.2Å
e2hldW4[W:83-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE BETA CHAIN, MITOCHONDRIAL ; X-RAY DIFFRACTION 2.8Å
e2wpdD4[D:83-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA, MITOCHONDRIAL ; ligands: ADP,ATP,MG ; X-RAY DIFFRACTION 3.43Å
e3oe7M4[M:83-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA ; ligands: ANP,MG ; X-RAY DIFFRACTION 3.19Å
e3oe7W4[W:83-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA ; X-RAY DIFFRACTION 3.19Å
e3oeeM4[M:83-357] Image Pymol Jmol Links: PDB, SCOP, CATH
ATP SYNTHASE SUBUNIT BETA ; ligands: ANP,MG ; X-RAY DIFFRACTION 2.74Å
e3oehE4[E:83-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA ; X-RAY DIFFRACTION 3.0Å
e2xokE4[E:83-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA, MITOCHONDRIAL ; X-RAY DIFFRACTION 3.01Å
e3zryF4[F:83-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA, MITOCHONDRIAL ; ligands: ANP,MG ; X-RAY DIFFRACTION 6.50Å
e2qe7D4[D:77-346] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA ; X-RAY DIFFRACTION 3.06Å
e2qe7E4[E:77-346] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA ; X-RAY DIFFRACTION 3.06Å
e2qe7F4[F:77-346] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA ; X-RAY DIFFRACTION 3.06Å
e3fksW4[W:83-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP synthase subunit beta, mitochondrial ; X-RAY DIFFRACTION 3.587Å
e3oeeE4[E:83-357] Image Pymol Jmol Links: PDB, SCOP, CATH
ATP SYNTHASE SUBUNIT BETA ; ligands: PO4 ; X-RAY DIFFRACTION 2.74Å
e4b2qF4[F:83-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA, MITOCHONDRIAL ; ligands: ADP,ATP,MG ; ELECTRON MICROSCOPY
e4b2qf4[f:83-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA, MITOCHONDRIAL ; ligands: ADP,ATP,MG ; ELECTRON MICROSCOPY
e4b2qE4[E:83-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA, MITOCHONDRIAL ; ELECTRON MICROSCOPY
e2wpdE4[E:83-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA, MITOCHONDRIAL ; X-RAY DIFFRACTION 3.43Å
e3ofnD4[D:83-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA ; ligands: ANP,MG ; X-RAY DIFFRACTION 3.2Å
e3zryE4[E:83-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA, MITOCHONDRIAL ; ligands: ANP ; X-RAY DIFFRACTION 6.50Å
e4b2qd4[d:83-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA, MITOCHONDRIAL ; ligands: ADP,ATP,MG ; ELECTRON MICROSCOPY
e4b2qD4[D:83-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA, MITOCHONDRIAL ; ligands: ADP,ATP,MG ; ELECTRON MICROSCOPY
e4b2qe4[e:83-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA, MITOCHONDRIAL ; ELECTRON MICROSCOPY
e3fksE4[E:83-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP synthase subunit beta, mitochondrial ; X-RAY DIFFRACTION 3.587Å
e4asuD1[D:82-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA, MITOCHONDRIAL ; ligands: ADP,MG ; X-RAY DIFFRACTION 2.6Å
e3oe7V4[V:83-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA ; ligands: ANP,MG ; X-RAY DIFFRACTION 3.19Å
e4asuF1[F:82-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA, MITOCHONDRIAL ; ligands: ADP,MG ; X-RAY DIFFRACTION 2.6Å
e3fksV4[V:83-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP synthase subunit beta, mitochondrial ; X-RAY DIFFRACTION 3.587Å
e4asuE1[E:82-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA, MITOCHONDRIAL ; ligands: ADP ; X-RAY DIFFRACTION 2.6Å
e3iceE10[E:128-415] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcription termination factor rho ; ligands: ADP,BEF,MG,SPD ; X-RAY DIFFRACTION 2.800Å
e3iceB4[B:128-415] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcription termination factor rho ; ligands: ADP,BEF,MG ; X-RAY DIFFRACTION 2.800Å
e3iceC4[C:128-415] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcription termination factor rho ; ligands: ADP,BEF,MG,SPD ; X-RAY DIFFRACTION 2.800Å
e3iceD4[D:128-415] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcription termination factor rho ; ligands: ADP,BEF,MG ; X-RAY DIFFRACTION 2.800Å
e3l0oB3[B:136-420] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcription termination factor rho ; ligands: IUM,NA,SO4 ; X-RAY DIFFRACTION 2.1Å
e3iceA4[A:128-415] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcription termination factor rho ; ligands: ADP,BEF,MG,SPD ; X-RAY DIFFRACTION 2.800Å
e4q4lA3[A:92-360] Image Pymol Jmol Links: PDB, SCOP, CATH
ATP SYNTHASE SUBUNIT BETA 1 ; X-RAY DIFFRACTION 2.2Å
e4tsfB3[B:95-379] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP synthase subunit alpha, mitochondrial ; ligands: ADP,ATP,MG ; X-RAY DIFFRACTION 3.20Å
e4tt3B3[B:95-379] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP synthase subunit alpha, mitochondrial ; ligands: ADP,ATP,GOL,MG ; X-RAY DIFFRACTION 3.21Å
e4tsfA1[A:95-379] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP synthase subunit alpha, mitochondrial ; ligands: ATP,MG ; X-RAY DIFFRACTION 3.20Å
e4tt3A1[A:95-379] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP synthase subunit alpha, mitochondrial ; ligands: ATP,GOL,MG ; X-RAY DIFFRACTION 3.21Å
e4tsfC3[C:95-379] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP synthase subunit alpha, mitochondrial ; ligands: ADP,ATP,MG ; X-RAY DIFFRACTION 3.20Å
e4tt3C3[C:95-379] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP synthase subunit alpha, mitochondrial ; ligands: ADP,ATP,MG ; X-RAY DIFFRACTION 3.21Å
e4tsfD3[D:82-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP synthase subunit beta, mitochondrial ; ligands: ADP,ATP,MG ; X-RAY DIFFRACTION 3.20Å
e4tsfE3[E:82-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP synthase subunit beta, mitochondrial ; ligands: ATP ; X-RAY DIFFRACTION 3.20Å
e4tt3D3[D:82-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP synthase subunit beta, mitochondrial ; ligands: ADP,MG ; X-RAY DIFFRACTION 3.21Å
e4tt3E3[E:82-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP synthase subunit beta, mitochondrial ; ligands: ATP ; X-RAY DIFFRACTION 3.21Å
e4tt3F3[F:82-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP synthase subunit beta, mitochondrial ; ligands: ADP,ATP,MG ; X-RAY DIFFRACTION 3.21Å
e4tsfF2[F:82-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP synthase subunit beta, mitochondrial ; ligands: ADP,ATP,MG ; X-RAY DIFFRACTION 3.20Å
e4b2qb1[b:97-381] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT ALPHA, MITOCHONDRIAL ; ligands: ADP,ATP,MG ; ELECTRON MICROSCOPY
e3ziaB1[B:97-381] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT ALPHA, MITOCHONDRIAL ; ligands: ADP,MG ; X-RAY DIFFRACTION 2.50Å
e3ziaC1[C:97-381] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT ALPHA, MITOCHONDRIAL ; ligands: ADP,EDO,MG ; X-RAY DIFFRACTION 2.50Å
e3ziaK1[K:97-381] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT ALPHA, MITOCHONDRIAL ; ligands: ATP,MG ; X-RAY DIFFRACTION 2.50Å
e3ziaL1[L:97-381] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT ALPHA, MITOCHONDRIAL ; ligands: ADP,EDO,MG ; X-RAY DIFFRACTION 2.50Å
e3ziaM1[M:97-381] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT ALPHA, MITOCHONDRIAL ; ligands: ADP,EDO,MG ; X-RAY DIFFRACTION 2.50Å
e4b2qA3[A:97-381] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT ALPHA, MITOCHONDRIAL ; ligands: ATP,MG ; ELECTRON MICROSCOPY
e4b2qC3[C:97-381] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT ALPHA, MITOCHONDRIAL ; ligands: ADP,ATP,MG ; ELECTRON MICROSCOPY
e4b2qa3[a:97-381] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT ALPHA, MITOCHONDRIAL ; ligands: ATP,MG ; ELECTRON MICROSCOPY
e4b2qc3[c:97-381] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT ALPHA, MITOCHONDRIAL ; ligands: ADP,ATP,MG ; ELECTRON MICROSCOPY
e1pvoB1[B:127-417] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcription termination factor rho ; ligands: ANP ; X-RAY DIFFRACTION 3.0Å
e3ofnM3[M:83-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA ; ligands: ANP,MG ; X-RAY DIFFRACTION 3.2Å
e1pv4B2[B:129-417] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcription termination factor rho ; X-RAY DIFFRACTION 3.0Å
e4asuC3[C:95-379] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT ALPHA, MITOCHONDRIAL ; ligands: ADP,MG ; X-RAY DIFFRACTION 2.6Å
e3zryB4[B:97-381] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT ALPHA, MITOCHONDRIAL ; ligands: ANP,MG ; X-RAY DIFFRACTION 6.50Å
e3zryC4[C:97-381] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT ALPHA, MITOCHONDRIAL ; ligands: ANP,MG ; X-RAY DIFFRACTION 6.50Å
e4z1mA1[A:95-379] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP synthase subunit alpha, mitochondrial ; ligands: ATP,GOL,MG ; X-RAY DIFFRACTION 3.300Å
e4yxwB1[B:95-379] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP synthase subunit alpha, mitochondrial ; ligands: ANP,MG ; X-RAY DIFFRACTION 3.100Å
e4yxwC1[C:95-379] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP synthase subunit alpha, mitochondrial ; ligands: ANP,MG ; X-RAY DIFFRACTION 3.100Å
e4z1mC1[C:95-379] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP synthase subunit alpha, mitochondrial ; ligands: ADP,ATP,CL,MG ; X-RAY DIFFRACTION 3.300Å
e4z1mB2[B:94-378] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP synthase subunit alpha, mitochondrial ; ligands: ADP,ATP,CL,GOL,MG ; X-RAY DIFFRACTION 3.300Å
e4yxwA3[A:95-379] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP synthase subunit alpha, mitochondrial ; ligands: ANP,MG ; X-RAY DIFFRACTION 3.100Å
e4yxwD1[D:82-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP synthase subunit beta, mitochondrial ; ligands: ANP,MG ; X-RAY DIFFRACTION 3.100Å
e4yxwE2[E:82-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP synthase subunit beta, mitochondrial ; ligands: ANP,TS6 ; X-RAY DIFFRACTION 3.100Å
e4yxwF3[F:82-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP synthase subunit beta, mitochondrial ; ligands: ANP,MG,NA ; X-RAY DIFFRACTION 3.100Å
e4z1mD3[D:82-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP synthase subunit beta, mitochondrial ; ligands: ADP,CL,MG ; X-RAY DIFFRACTION 3.300Å
e4z1mE3[E:82-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP synthase subunit beta, mitochondrial ; ligands: ATP,CL ; X-RAY DIFFRACTION 3.300Å
e4z1mF3[F:82-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP synthase subunit beta, mitochondrial ; ligands: ADP,ATP,CL,MG ; X-RAY DIFFRACTION 3.300Å
e3j9tB2[B:101-383] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
V-type proton ATPase subunit B ; ELECTRON MICROSCOPY
e3j9tD2[D:101-383] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
V-type proton ATPase subunit B ; ELECTRON MICROSCOPY
e3j9tF3[F:101-383] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
V-type proton ATPase subunit B ; ELECTRON MICROSCOPY
e3j9uD2[D:101-383] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
V-type proton ATPase subunit B ; ELECTRON MICROSCOPY
e3j9uF3[F:101-383] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
V-type proton ATPase subunit B ; ELECTRON MICROSCOPY
e3j9uB3[B:101-383] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
V-type proton ATPase subunit B ; ELECTRON MICROSCOPY
e3j9vF2[F:101-383] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
V-type proton ATPase subunit B ; ELECTRON MICROSCOPY
e3j9vB3[B:101-383] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
V-type proton ATPase subunit B ; ELECTRON MICROSCOPY
e3j9vD2[D:101-383] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
V-type proton ATPase subunit B ; ELECTRON MICROSCOPY
e4xd7A2[A:96-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP synthase subunit alpha ; ligands: SO4 ; X-RAY DIFFRACTION 3.900Å
e4xd7B3[B:96-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP synthase subunit alpha ; ligands: ADP,SO4 ; X-RAY DIFFRACTION 3.900Å
e4xd7C2[C:95-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP synthase subunit alpha ; X-RAY DIFFRACTION 3.900Å
e4xd7D2[D:83-354] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP synthase subunit beta ; ligands: SO4 ; X-RAY DIFFRACTION 3.900Å
e4xd7E1[E:83-354] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP synthase subunit beta ; ligands: SO4 ; X-RAY DIFFRACTION 3.900Å
e4xd7F1[F:83-354] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP synthase subunit beta ; ligands: ADP ; X-RAY DIFFRACTION 3.900Å
e5bn3A1[A:66-108,A:179-432] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
V-type ATP synthase alpha chain ; ligands: ADP,DIO,GOL,MG ; X-RAY DIFFRACTION 2.0Å
e5bn4A2[A:66-108,A:179-431] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
V-type ATP synthase alpha chain ; ligands: ANP,MG ; X-RAY DIFFRACTION 2.63Å
e5bn5A3[A:66-108,A:179-431] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
V-type ATP synthase alpha chain ; ligands: SO4 ; X-RAY DIFFRACTION 3.0Å
e5bo5A3[A:62-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
NEQ263 ; ligands: MG,SO4 ; X-RAY DIFFRACTION 2.8Å
e5bo5B1[B:62-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
NEQ263 ; ligands: MG,SO4 ; X-RAY DIFFRACTION 2.8Å
e5bo5C3[C:62-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
NEQ263 ; ligands: SO4 ; X-RAY DIFFRACTION 2.8Å
e5bo5D3[D:62-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
NEQ263 ; ligands: SO4 ; X-RAY DIFFRACTION 2.8Å
e5bn3B1[B:62-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
NEQ263 ; ligands: ADP,DIO,GOL,MG,SO4 ; X-RAY DIFFRACTION 2.0Å
e5bn4B3[B:62-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
NEQ263 ; ligands: ANP ; X-RAY DIFFRACTION 2.63Å
e5bn5B1[B:62-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
NEQ263 ; ligands: SO4 ; X-RAY DIFFRACTION 3.0Å
e5cdfA1[A:95-380] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP synthase subunit alpha ; ligands: GOL,PO4 ; X-RAY DIFFRACTION 2.300Å
e5areD2[D:82-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA, MITOCHONDRIAL ; ELECTRON MICROSCOPY
e5arhD3[D:82-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA, MITOCHONDRIAL ; ELECTRON MICROSCOPY
e5ariD3[D:82-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA, MITOCHONDRIAL ; ELECTRON MICROSCOPY
e5fijD3[D:82-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA, MITOCHONDRIAL ; ELECTRON MICROSCOPY
e5fikD3[D:82-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA, MITOCHONDRIAL ; ELECTRON MICROSCOPY
e5filD1[D:82-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA, MITOCHONDRIAL ; ELECTRON MICROSCOPY
e5araE3[E:82-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA, MITOCHONDRIAL ; ELECTRON MICROSCOPY
e5araF3[F:82-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA, MITOCHONDRIAL ; ELECTRON MICROSCOPY
e5areE2[E:82-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA, MITOCHONDRIAL ; ELECTRON MICROSCOPY
e5areF1[F:82-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA, MITOCHONDRIAL ; ELECTRON MICROSCOPY
e5arhE2[E:82-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA, MITOCHONDRIAL ; ELECTRON MICROSCOPY
e5arhF1[F:82-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA, MITOCHONDRIAL ; ELECTRON MICROSCOPY
e5ariE1[E:82-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA, MITOCHONDRIAL ; ELECTRON MICROSCOPY
e5ariF3[F:82-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA, MITOCHONDRIAL ; ELECTRON MICROSCOPY
e5fijE3[E:82-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA, MITOCHONDRIAL ; ELECTRON MICROSCOPY
e5fijF1[F:82-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA, MITOCHONDRIAL ; ELECTRON MICROSCOPY
e5fikE3[E:82-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA, MITOCHONDRIAL ; ELECTRON MICROSCOPY
e5fikF1[F:82-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA, MITOCHONDRIAL ; ELECTRON MICROSCOPY
e5filE3[E:82-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA, MITOCHONDRIAL ; ELECTRON MICROSCOPY
e5filF1[F:82-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA, MITOCHONDRIAL ; ELECTRON MICROSCOPY
e5araB1[B:94-378] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT ALPHA, MITOCHONDRIAL ; ELECTRON MICROSCOPY
e5araC2[C:94-378] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT ALPHA, MITOCHONDRIAL ; ELECTRON MICROSCOPY
e5areA1[A:94-378] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT ALPHA, MITOCHONDRIAL ; ELECTRON MICROSCOPY
e5areB2[B:94-378] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT ALPHA, MITOCHONDRIAL ; ELECTRON MICROSCOPY
e5areC2[C:94-378] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT ALPHA, MITOCHONDRIAL ; ELECTRON MICROSCOPY
e5arhA2[A:94-378] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT ALPHA, MITOCHONDRIAL ; ELECTRON MICROSCOPY
e5arhB1[B:94-378] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT ALPHA, MITOCHONDRIAL ; ELECTRON MICROSCOPY
e5arhC2[C:94-378] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT ALPHA, MITOCHONDRIAL ; ELECTRON MICROSCOPY
e5ariA2[A:94-378] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT ALPHA, MITOCHONDRIAL ; ELECTRON MICROSCOPY
e5ariB2[B:94-378] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT ALPHA, MITOCHONDRIAL ; ELECTRON MICROSCOPY
e5ariC1[C:94-378] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT ALPHA, MITOCHONDRIAL ; ELECTRON MICROSCOPY
e5fijA1[A:94-378] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT ALPHA, MITOCHONDRIAL ; ELECTRON MICROSCOPY
e5fijB1[B:94-378] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT ALPHA, MITOCHONDRIAL ; ELECTRON MICROSCOPY
e5fijC2[C:94-378] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT ALPHA, MITOCHONDRIAL ; ELECTRON MICROSCOPY
e5fikA3[A:94-378] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT ALPHA, MITOCHONDRIAL ; ELECTRON MICROSCOPY
e5fikB2[B:94-378] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT ALPHA, MITOCHONDRIAL ; ELECTRON MICROSCOPY
e5fikC1[C:94-378] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT ALPHA, MITOCHONDRIAL ; ELECTRON MICROSCOPY
e5filA3[A:94-378] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT ALPHA, MITOCHONDRIAL ; ELECTRON MICROSCOPY
e5filB3[B:94-378] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT ALPHA, MITOCHONDRIAL ; ELECTRON MICROSCOPY
e5filC1[C:94-378] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT ALPHA, MITOCHONDRIAL ; ELECTRON MICROSCOPY
e5araD2[D:82-357] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA, MITOCHONDRIAL ; ELECTRON MICROSCOPY
e5araA3[A:94-378] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT ALPHA, MITOCHONDRIAL ; ELECTRON MICROSCOPY
e5dn6D2[D:77-353] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP synthase subunit beta ; ligands: ATP,MG ; X-RAY DIFFRACTION 3.97Å
e5dn6E2[E:77-353] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP synthase subunit beta ; ligands: ADP ; X-RAY DIFFRACTION 3.97Å
e5dn6F3[F:77-353] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP synthase subunit beta ; ligands: ATP,MG ; X-RAY DIFFRACTION 3.97Å
e5dn6A1[A:95-380] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP synthase subunit alpha ; ligands: ATP,MG ; X-RAY DIFFRACTION 3.97Å
e5dn6B2[B:95-380] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP synthase subunit alpha ; ligands: ADP,ATP,MG ; X-RAY DIFFRACTION 3.97Å
e5dn6C2[C:95-380] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP synthase subunit alpha ; ligands: ATP,MG ; X-RAY DIFFRACTION 3.97Å
e3iceF3[F:128-415] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcription termination factor rho ; ligands: ADP,BEF,MG ; X-RAY DIFFRACTION 2.800Å
e2ht1B1[B:127-354] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
TRANSCRIPTION TERMINATION FACTOR RHO ; ligands: SO4 ; X-RAY DIFFRACTION 3.51Å
e5garE1[E:81-365] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
V-type ATP synthase beta chain ; ELECTRON MICROSCOPY
e5garF3[F:81-365] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
V-type ATP synthase beta chain ; ELECTRON MICROSCOPY
e5gasD1[D:81-365] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
V-type ATP synthase beta chain ; ELECTRON MICROSCOPY
e5gasE2[E:81-365] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
V-type ATP synthase beta chain ; ELECTRON MICROSCOPY
e5gasF2[F:81-365] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
V-type ATP synthase beta chain ; ELECTRON MICROSCOPY
e5b0oA1[A:106-375] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Flagellum-specific ATP synthase ; ligands: ADP ; X-RAY DIFFRACTION 3.0Å
e5b0oB1[B:100-375] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Flagellum-specific ATP synthase ; ligands: ADP ; X-RAY DIFFRACTION 3.0Å
e5b0oC3[C:106-375] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Flagellum-specific ATP synthase ; ligands: ADP ; X-RAY DIFFRACTION 3.0Å
e5b0oD2[D:105-375] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Flagellum-specific ATP synthase ; ligands: ADP ; X-RAY DIFFRACTION 3.0Å
e5bw9D1[D:101-383] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
V-type proton ATPase subunit B ; X-RAY DIFFRACTION 7.000Å
e5bw9E3[E:101-383] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
V-type proton ATPase subunit B ; X-RAY DIFFRACTION 7.000Å
e5bw9F1[F:101-383] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
V-type proton ATPase subunit B ; X-RAY DIFFRACTION 7.000Å
e5bw9d3[d:101-383] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
V-type proton ATPase subunit B ; X-RAY DIFFRACTION 7.000Å
e5bw9e1[e:101-383] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
V-type proton ATPase subunit B ; X-RAY DIFFRACTION 7.000Å
e5bw9f1[f:101-383] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
V-type proton ATPase subunit B ; X-RAY DIFFRACTION 7.000Å
e5d80D2[D:101-383] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
V-type proton ATPase subunit B ; X-RAY DIFFRACTION 6.010Å
e5d80E3[E:101-383] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
V-type proton ATPase subunit B ; X-RAY DIFFRACTION 6.010Å
e5d80F1[F:101-383] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
V-type proton ATPase subunit B ; X-RAY DIFFRACTION 6.010Å
e5d80d2[d:101-383] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
V-type proton ATPase subunit B ; X-RAY DIFFRACTION 6.010Å
e5d80e1[e:101-383] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
V-type proton ATPase subunit B ; X-RAY DIFFRACTION 6.010Å
e5d80f2[f:101-383] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
V-type proton ATPase subunit B ; X-RAY DIFFRACTION 6.010Å
e5fl7D2[D:114-388] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA ; ligands: ADP,ATP,MG ; X-RAY DIFFRACTION 3.50Å
e5fl7E3[E:114-388] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA ; ligands: ATP ; X-RAY DIFFRACTION 3.50Å
e5fl7F3[F:114-388] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT BETA ; ligands: ADP,MG ; X-RAY DIFFRACTION 3.50Å
e5fl7A2[A:121-405] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT ALPHA ; ligands: ATP,MG ; X-RAY DIFFRACTION 3.50Å
e5fl7B1[B:121-405] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT ALPHA ; ligands: ADP,ATP,MG ; X-RAY DIFFRACTION 3.50Å
e5fl7C2[C:121-405] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP SYNTHASE SUBUNIT ALPHA ; ligands: ADP,ATP,MG ; X-RAY DIFFRACTION 3.50Å
e5hkkA1[A:95-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP synthase subunit alpha ; ligands: ADP,GOL,MG,PO4 ; X-RAY DIFFRACTION 3.0Å
e5hkkB3[B:95-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP synthase subunit alpha ; ligands: ADP,MG ; X-RAY DIFFRACTION 3.0Å
e5hkkC2[C:95-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP synthase subunit alpha ; ligands: ADP,MG ; X-RAY DIFFRACTION 3.0Å
Previous Nexte2jdiD3[D:82-357]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
ATP SYNTHASE SUBUNIT BETA ; ligands: ANP,MG ; X-RAY DIFFRACTION 1.9Å

Pseudo group of domains that do not map to PFam family profiles. Domains inside should not be considered as in one family.
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