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
Representatives:
e3od1A1[A:3-325] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH
ATP PHOSPHORIBOSYLTRANSFERASE REGULATORY SUBUNIT ; ligands: BME,PEG ; X-RAY DIFFRACTION 1.97Å
e5m8hA1[A:1-322] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP phosphoribosyltransferase regulatory subunit ; ligands: CL,MPD,SR ; X-RAY DIFFRACTION 2.340Å
e1h4vB1[B:2-325] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
HISTIDYL-TRNA SYNTHETASE ; ligands: SO4 ; X-RAY DIFFRACTION 2.4Å
e1wu7B1[B:5-329] Image Pymol Jmol Links: PDB, SCOP, CATH
HISTIDYL-TRNA SYNTHETASE ; X-RAY DIFFRACTION 2.4Å
e1usyB1[B:1-275] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP PHOSPHORIBOSYLTRANSFERASE REGULATORY SUBUNIT ; ligands: HIS ; X-RAY DIFFRACTION 2.600Å
e1usyD1[D:2-275] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP PHOSPHORIBOSYLTRANSFERASE REGULATORY SUBUNIT ; ligands: HIS ; X-RAY DIFFRACTION 2.600Å
e1usyC1[C:1-275] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP PHOSPHORIBOSYLTRANSFERASE REGULATORY SUBUNIT ; ligands: HIS ; X-RAY DIFFRACTION 2.600Å
e1z7nD1[D:6-323] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP phosphoribosyltransferase regulatory subunit ; ligands: PO4 ; X-RAY DIFFRACTION 3.25Å
e1z7nA1[A:6-323] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP phosphoribosyltransferase regulatory subunit ; X-RAY DIFFRACTION 3.25Å
e1z7mB1[B:6-323] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP phosphoribosyltransferase regulatory subunit ; ligands: PO4 ; X-RAY DIFFRACTION 2.9Å
e1z7nC1[C:6-323] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP phosphoribosyltransferase regulatory subunit ; X-RAY DIFFRACTION 3.25Å
e1z7nB1[B:6-323] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP phosphoribosyltransferase regulatory subunit ; ligands: PO4 ; X-RAY DIFFRACTION 3.25Å
e1z7mD1[D:6-323] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP phosphoribosyltransferase regulatory subunit ; ligands: PO4,WO4 ; X-RAY DIFFRACTION 2.9Å
e1z7mC1[C:6-323] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP phosphoribosyltransferase regulatory subunit ; ligands: WO4 ; X-RAY DIFFRACTION 2.9Å
e3hriA1[A:47-379] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Histidyl-tRNA synthetase ; X-RAY DIFFRACTION 2.700Å
e3hrkA1[A:49-381] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Histidyl-tRNA synthetase ; ligands: CL,HAM ; X-RAY DIFFRACTION 3.050Å
e3netA1[A:6-366] Image Pymol Jmol Links: PDB, SCOP, CATH
Histidyl-tRNA synthetase ; ligands: ACT ; X-RAY DIFFRACTION 2.7Å
e3racA1[A:15-365] Image Pymol Jmol Links: PDB, SCOP, CATH
Histidine-tRNA ligase ; ligands: ACY,GOL,LMR,NA ; X-RAY DIFFRACTION 2.3Å
e4e51A1[A:9-329] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Histidine--tRNA ligase ; ligands: HIS ; X-RAY DIFFRACTION 2.650Å
e3hrkB1[B:49-381] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Histidyl-tRNA synthetase ; ligands: CL,HAM ; X-RAY DIFFRACTION 3.050Å
e3hriC1[C:47-379] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Histidyl-tRNA synthetase ; X-RAY DIFFRACTION 2.700Å
e3hriE1[E:47-379] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Histidyl-tRNA synthetase ; X-RAY DIFFRACTION 2.700Å
e3od1B1[B:1-334] Image Pymol Jmol Links: PDB, SCOP, CATH
ATP PHOSPHORIBOSYLTRANSFERASE REGULATORY SUBUNIT ; X-RAY DIFFRACTION 1.97Å
e2el9C1[C:4-180,C:226-325] Image Pymol Jmol Links: PDB, SCOP, CATH
HISTIDYL-TRNA SYNTHETASE ; ligands: HSS ; X-RAY DIFFRACTION 2.7Å
e1kmnB1[B:4-169,B:228-325] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
HISTIDYL-TRNA SYNTHETASE ; ligands: ATP,HSO ; X-RAY DIFFRACTION 2.6Å
e1kmnA1[A:4-185,A:228-325] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
HISTIDYL-TRNA SYNTHETASE ; ligands: ATP,HSO ; X-RAY DIFFRACTION 2.6Å
e1httA1[A:4-177,A:229-325] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,
HISTIDYL-TRNA SYNTHETASE ; ligands: AMP,HIS ; X-RAY DIFFRACTION 2.6Å
e2el9A1[A:4-180,A:225-325] Image Pymol Jmol Links: PDB, SCOP, CATH
HISTIDYL-TRNA SYNTHETASE ; ligands: HSS ; X-RAY DIFFRACTION 2.7Å
e2el9D1[D:4-187,D:224-325] Image Pymol Jmol Links: PDB, SCOP, CATH
HISTIDYL-TRNA SYNTHETASE ; ligands: HSS ; X-RAY DIFFRACTION 2.7Å
e1adjB1[B:2-325] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
HISTIDYL-TRNA SYNTHETASE ; ligands: HIS,SO4 ; X-RAY DIFFRACTION 2.7Å
e1kmmA1[A:4-188,A:224-325] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
HISTIDYL-TRNA SYNTHETASE ; ligands: HAM ; X-RAY DIFFRACTION 2.6Å
e1adyA1[A:2-325] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
HISTIDYL-TRNA SYNTHETASE ; ligands: HAM,SO4 ; X-RAY DIFFRACTION 2.8Å
e1httC1[C:4-177,C:229-325] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,
HISTIDYL-TRNA SYNTHETASE ; ligands: AMP,HIS ; X-RAY DIFFRACTION 2.6Å
e1kmmC1[C:4-188,C:223-325] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
HISTIDYL-TRNA SYNTHETASE ; ligands: HAM ; X-RAY DIFFRACTION 2.6Å
e1adyC1[C:2-325] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
HISTIDYL-TRNA SYNTHETASE ; ligands: HAM,SO4 ; X-RAY DIFFRACTION 2.8Å
e1adjA1[A:2-325] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
HISTIDYL-TRNA SYNTHETASE ; ligands: HIS,SO4 ; X-RAY DIFFRACTION 2.7Å
e1adyD1[D:2-325] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
HISTIDYL-TRNA SYNTHETASE ; ligands: HAM,SO4 ; X-RAY DIFFRACTION 2.8Å
e1adjC1[C:2-325] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
HISTIDYL-TRNA SYNTHETASE ; ligands: HIS,SO4 ; X-RAY DIFFRACTION 2.7Å
e2el9B1[B:4-178,B:224-325] Image Pymol Jmol Links: PDB, SCOP, CATH
HISTIDYL-TRNA SYNTHETASE ; ligands: HSS ; X-RAY DIFFRACTION 2.7Å
e1adjD1[D:2-325] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
HISTIDYL-TRNA SYNTHETASE ; ligands: HIS,SO4 ; X-RAY DIFFRACTION 2.7Å
e1kmnC1[C:4-188,C:223-325] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
HISTIDYL-TRNA SYNTHETASE ; ligands: ATP,HSO ; X-RAY DIFFRACTION 2.6Å
e1adyB1[B:2-325] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
HISTIDYL-TRNA SYNTHETASE ; ligands: HAM,SO4 ; X-RAY DIFFRACTION 2.8Å
e4g84A1[A:55-396] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
HISTIDINE--TRNA LIGASE, CYTOPLASMIC ; ligands: IMD ; X-RAY DIFFRACTION 2.4Å
e4g84B3[B:43-394] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
HISTIDINE--TRNA LIGASE, CYTOPLASMIC ; ligands: IMD ; X-RAY DIFFRACTION 2.4Å
e3lc0A6[A:47-381] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Histidyl-tRNA synthetase ; ligands: HIS ; X-RAY DIFFRACTION 1.80Å
e1qe0B4[B:1-171,B:231-324] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Histidine--tRNA ligase ; X-RAY DIFFRACTION 2.7Å
e1kmnD4[D:2-169,D:229-323] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
HISTIDYL-TRNA SYNTHETASE ; ligands: ATP,HSO ; X-RAY DIFFRACTION 2.6Å
e1kmmB4[B:2-169,B:229-323] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
HISTIDYL-TRNA SYNTHETASE ; ligands: HAM ; X-RAY DIFFRACTION 2.6Å
e1kmmD4[D:4-169,D:229-323] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
HISTIDYL-TRNA SYNTHETASE ; ligands: HAM ; X-RAY DIFFRACTION 2.6Å
e1httD4[D:4-169,D:230-324] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,
HISTIDYL-TRNA SYNTHETASE ; ligands: AMP,HIS ; X-RAY DIFFRACTION 2.6Å
e1httB4[B:4-169,B:230-324] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,
HISTIDYL-TRNA SYNTHETASE ; ligands: AMP,HIS ; X-RAY DIFFRACTION 2.6Å
e3hriD3[D:47-362] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Histidyl-tRNA synthetase ; X-RAY DIFFRACTION 2.700Å
e3hriF3[F:47-234,F:269-379] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Histidyl-tRNA synthetase ; X-RAY DIFFRACTION 2.700Å
e4g85B3[B:54-404] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
HISTIDINE-TRNA LIGASE, CYTOPLASMIC ; X-RAY DIFFRACTION 3.11Å
e4g85A3[A:51-407] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
HISTIDINE-TRNA LIGASE, CYTOPLASMIC ; X-RAY DIFFRACTION 3.11Å
e3hriB4[B:47-364] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Histidyl-tRNA synthetase ; X-RAY DIFFRACTION 2.700Å
e4e51B1[B:8-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Histidine--tRNA ligase ; ligands: HIS ; X-RAY DIFFRACTION 2.650Å
e3netB1[B:8-364] Image Pymol Jmol Links: PDB, SCOP, CATH
Histidyl-tRNA synthetase ; X-RAY DIFFRACTION 2.7Å
e4phcA2[A:53-381] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Histidine--tRNA ligase, cytoplasmic ; ligands: GOL,HIS ; X-RAY DIFFRACTION 2.840Å
e4phcB2[B:53-381] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Histidine--tRNA ligase, cytoplasmic ; ligands: GOL,HIS ; X-RAY DIFFRACTION 2.840Å
e4phcC2[C:53-381] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Histidine--tRNA ligase, cytoplasmic ; ligands: GOL,HIS ; X-RAY DIFFRACTION 2.840Å
e4phcD2[D:53-381] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Histidine--tRNA ligase, cytoplasmic ; ligands: GOL,HIS ; X-RAY DIFFRACTION 2.840Å
e1qe0A3[A:1-324] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Histidine--tRNA ligase ; X-RAY DIFFRACTION 2.7Å
e4rdxA1[A:2-325] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Histidine--tRNA ligase ; ligands: AMP,HIS ; X-RAY DIFFRACTION 2.55Å
e4yp0A1[A:47-381] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Histidyl-tRNA synthetase ; ligands: 5IQ,DMS,EDO,HIS,SO4 ; X-RAY DIFFRACTION 2.100Å
e4ypfA1[A:48-381] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Histidyl-tRNA synthetase ; ligands: 4FS,DMS,HIS,SO4 ; X-RAY DIFFRACTION 2.200Å
e4yrcA2[A:47-381] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Histidyl-tRNA synthetase ; ligands: 0P6,DMS,EDO,HIS,SO4 ; X-RAY DIFFRACTION 2.100Å
e4yreA1[A:47-381] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Histidyl-tRNA synthetase ; ligands: 4HR,DMS,EDO,HIS,SO4 ; X-RAY DIFFRACTION 2.250Å
e4yreB2[B:48-381] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Histidyl-tRNA synthetase ; ligands: 4HR,DMS,EDO,HIS,SO4 ; X-RAY DIFFRACTION 2.250Å
e4yrgA1[A:48-381] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Histidyl-tRNA synthetase ; ligands: 4HU,DMS,EDO,HIS,SO4 ; X-RAY DIFFRACTION 2.150Å
e4yriA1[A:48-381] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Histidyl-tRNA synthetase, putative ; ligands: 4JH,DMS,EDO,GOL,HIS,SO4 ; X-RAY DIFFRACTION 2.000Å
e4yrjA2[A:48-381] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Histidyl-tRNA synthetase ; ligands: 4JJ,DMS,EDO,HIS,SO4 ; X-RAY DIFFRACTION 2.300Å
e4yrkA1[A:48-381] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Histidyl-tRNA synthetase ; ligands: 4JL,DMS,EDO,HIS,SO4 ; X-RAY DIFFRACTION 2.200Å
e4yrkB1[B:48-381] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Histidyl-tRNA synthetase ; ligands: 4JL,DMS,EDO,HIS,SO4 ; X-RAY DIFFRACTION 2.200Å
e4yrlA2[A:48-381] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Histidyl-tRNA synthetase ; ligands: 4JM,DMS,EDO,HIS,SO4 ; X-RAY DIFFRACTION 2.300Å
e4yrmA1[A:48-381] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Histidyl-tRNA synthetase ; ligands: 282,EDO,GOL,HIS,SO4 ; X-RAY DIFFRACTION 2.300Å
e4yrmB1[B:48-381] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Histidyl-tRNA synthetase ; ligands: 282,EDO,GOL,HIS,SO4 ; X-RAY DIFFRACTION 2.300Å
e4yrnA2[A:48-381] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Histidyl-tRNA synthetase ; ligands: 4JN,DMS,EDO,HIS,SO4 ; X-RAY DIFFRACTION 2.200Å
e4yrnB2[B:48-381] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Histidyl-tRNA synthetase ; ligands: 4JN,DMS,EDO,HIS,SO4 ; X-RAY DIFFRACTION 2.200Å
e4yroA1[A:48-381] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Histidyl-tRNA synthetase ; ligands: 4JO,DMS,EDO,HIS,SO4 ; X-RAY DIFFRACTION 2.500Å
e4yrpA2[A:48-381] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Histidyl-tRNA synthetase ; ligands: DMS,EDO,HIS,PZH,SO4 ; X-RAY DIFFRACTION 2.200Å
e4yrpB2[B:48-381] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Histidyl-tRNA synthetase ; ligands: DMS,EDO,HIS,PZH,SO4 ; X-RAY DIFFRACTION 2.200Å
e4yrqA1[A:48-381] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Histidyl-tRNA synthetase ; ligands: 4JQ,DMS,EDO,HIS,SO4 ; X-RAY DIFFRACTION 2.050Å
e4yrrA1[A:48-381] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Histidyl-tRNA synthetase ; ligands: 691,DMS,EDO,HIS,SO4 ; X-RAY DIFFRACTION 2.300Å
e4yrrB2[B:48-381] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Histidyl-tRNA synthetase ; ligands: 691,DMS,EDO,HIS,SO4 ; X-RAY DIFFRACTION 2.300Å
e4yrsA2[A:48-381] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Histidyl-tRNA synthetase ; ligands: 4JS,HIS ; X-RAY DIFFRACTION 2.750Å
e4yrtA2[A:48-381] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Histidyl-tRNA synthetase ; ligands: 781,EDO,HIS,SO4 ; X-RAY DIFFRACTION 2.050Å
e4yrfA1[A:48-381] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Histidyl-tRNA synthetase, putative ; ligands: 4HS,DMS,EDO,HIS,SO4 ; X-RAY DIFFRACTION 2.200Å
e5e3iA2[A:3-182,A:224-327] Image Pymol Jmol Links: PDB, SCOP, CATH
Histidine--tRNA ligase ; ligands: ATP,HIS,MG ; X-RAY DIFFRACTION 2.200Å
e5e3iB1[B:4-186,B:221-327] Image Pymol Jmol Links: PDB, SCOP, CATH
Histidine--tRNA ligase ; ligands: ATP,HIS,MG ; X-RAY DIFFRACTION 2.200Å
e4x5oB2[B:54-218,B:294-403] Image Pymol Jmol Links: PDB, SCOP, CATH
Histidine--tRNA ligase, cytoplasmic ; X-RAY DIFFRACTION 2.8Å
e4x5oA1[A:54-404] Image Pymol Jmol Links: PDB, SCOP, CATH
Histidine--tRNA ligase, cytoplasmic ; X-RAY DIFFRACTION 2.8Å
e5w6mA2[A:54-407] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Histidine--tRNA ligase, cytoplasmic ; X-RAY DIFFRACTION 3.696Å
e5w6mB2[B:54-218,B:294-403] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Histidine--tRNA ligase, cytoplasmic ; X-RAY DIFFRACTION 3.696Å
e6fttA2[A:0-322] Image Pymol Jmol Links: PDB, SCOP, CATHDOI
ATP phosphoribosyltransferase regulatory subunit ; ligands: CL,MG ; X-RAY DIFFRACTION 2.290Å
e6fu2A2[A:1-322] Image Pymol Jmol Links: PDB, SCOP, CATHDOI
ATP phosphoribosyltransferase regulatory subunit ; X-RAY DIFFRACTION 2.710Å
e6fu2B2[B:1-322] Image Pymol Jmol Links: PDB, SCOP, CATHDOI
ATP phosphoribosyltransferase regulatory subunit ; ligands: TRS ; X-RAY DIFFRACTION 2.710Å
e6fu7A2[A:1-322] Image Pymol Jmol Links: PDB, SCOP, CATHDOI
ATP phosphoribosyltransferase regulatory subunit ; X-RAY DIFFRACTION 2.310Å
e6fu7B2[B:1-322] Image Pymol Jmol Links: PDB, SCOP, CATHDOI
ATP phosphoribosyltransferase regulatory subunit ; ligands: CL,MG ; X-RAY DIFFRACTION 2.310Å
e6fuaB1[B:1-322] Image Pymol Jmol Links: PDB, SCOP, CATHDOI
ATP phosphoribosyltransferase regulatory subunit ; ligands: CL ; X-RAY DIFFRACTION 2.800Å
e6fttC1[C:0-322] Image Pymol Jmol Links: PDB, SCOP, CATHDOI
ATP phosphoribosyltransferase regulatory subunit ; ligands: CL,MG ; X-RAY DIFFRACTION 2.290Å
e6fttB1[B:0-322] Image Pymol Jmol Links: PDB, SCOP, CATHDOI
ATP phosphoribosyltransferase regulatory subunit ; ligands: CL,MG ; X-RAY DIFFRACTION 2.290Å
e6fttD2[D:0-322] Image Pymol Jmol Links: PDB, SCOP, CATHDOI
ATP phosphoribosyltransferase regulatory subunit ; ligands: CL,MG ; X-RAY DIFFRACTION 2.290Å
e6fuaA2[A:0-322] Image Pymol Jmol Links: PDB, SCOP, CATHDOI
ATP phosphoribosyltransferase regulatory subunit ; ligands: CL ; X-RAY DIFFRACTION 2.800Å
e6nhiA1[A:0-358] Image Pymol Jmol Links: PDB, SCOP, CATH
Histidine--tRNA ligase ; X-RAY DIFFRACTION 2.100Å
e6r02A2[A:0-322] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP phosphoribosyltransferase regulatory subunit ; ligands: HIS ; X-RAY DIFFRACTION 2.650Å
e6r02B1[B:0-322] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP phosphoribosyltransferase regulatory subunit ; ligands: HIS ; X-RAY DIFFRACTION 2.650Å
e6r02C1[C:0-322] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP phosphoribosyltransferase regulatory subunit ; ligands: HIS ; X-RAY DIFFRACTION 2.650Å
e6r02D1[D:0-322] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP phosphoribosyltransferase regulatory subunit ; ligands: HIS ; X-RAY DIFFRACTION 2.650Å
e6o76B1[B:47-407] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Histidine--tRNA ligase, cytoplasmic ; ligands: CL ; X-RAY DIFFRACTION 2.787Å
e6o76A2[A:54-404] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Histidine--tRNA ligase, cytoplasmic ; ligands: CL ; X-RAY DIFFRACTION 2.787Å
e7z6rA1[A:1-322] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP phosphoribosyltransferase regulatory subunit ; X-RAY DIFFRACTION 2.550Å
e7z6rB2[B:1-322] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ATP phosphoribosyltransferase regulatory subunit ; X-RAY DIFFRACTION 2.550Å
e1wu7A1[A:3-329] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH
HISTIDYL-TRNA SYNTHETASE ; X-RAY DIFFRACTION 2.4Å
Pseudo group of domains that do not map to PFam family profiles. Domains inside should not be considered as in one family.
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