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:
e1m1nB1[B:2-213]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CA,CLF ; X-RAY DIFFRACTION 1.16Å
e8btsD3[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ligands: 1CL,FE,GOL ; X-RAY DIFFRACTION 3.029Å
e8btsI1[I:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ligands: 1CL,FE,HCA ; X-RAY DIFFRACTION 3.029Å
e8btsL2[L:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ligands: 1CL,FE,GOL,SO4 ; X-RAY DIFFRACTION 3.029Å
e8dbyD3[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CLF,FE ; ELECTRON MICROSCOPY
e8dfcD1[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CLF,FE,SF4 ; ELECTRON MICROSCOPY
e8dfdB3[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CLF,FE,SF4 ; ELECTRON MICROSCOPY
e8dfdD2[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CLF,FE,SF4 ; ELECTRON MICROSCOPY
e2afhB1[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein ; ligands: 1PE,CA,CLF,PEG,TRS ; X-RAY DIFFRACTION 2.1Å
e2afhD1[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein ; ligands: CA,CLF,P6G,PEG,PGE ; X-RAY DIFFRACTION 2.1Å
e2afiB3[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein ; ligands: CA,CLF ; X-RAY DIFFRACTION 3.1Å
e2afiD3[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein ; ligands: CA,CLF ; X-RAY DIFFRACTION 3.1Å
e2afiJ1[J:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein ; ligands: CA,CLF ; X-RAY DIFFRACTION 3.1Å
e2afiL2[L:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein ; ligands: CA,CLF ; X-RAY DIFFRACTION 3.1Å
e1fp4B2[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
NITROGENASE MOLYBDENUM-IRON PROTEIN BETA CHAIN ; ligands: CA,CLP ; X-RAY DIFFRACTION 2.5Å
e1fp4D2[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
NITROGENASE MOLYBDENUM-IRON PROTEIN BETA CHAIN ; ligands: CA,CLP ; X-RAY DIFFRACTION 2.5Å
e1g20B1[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
NITROGENASE MOLYBDENUM-IRON PROTEIN BETA CHAIN ; ligands: CA,CLF,SF4 ; X-RAY DIFFRACTION 2.2Å
e1g20D3[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
NITROGENASE MOLYBDENUM-IRON PROTEIN BETA CHAIN ; ligands: CA,CLF,SF4 ; X-RAY DIFFRACTION 2.2Å
e1g21B3[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
NITROGENASE MOLYBDENUM-IRON PROTEIN BETA CHAIN ; ligands: CA,CLF,SF4 ; X-RAY DIFFRACTION 3.0Å
e1g21D2[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
NITROGENASE MOLYBDENUM-IRON PROTEIN BETA CHAIN ; ligands: CA,CLF,SF4 ; X-RAY DIFFRACTION 3.0Å
e1h1lB3[B:1-211] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
NITROGENASE MOLYBDENUM IRON PROTEIN BETA CHAIN ; ligands: CLF,MG ; X-RAY DIFFRACTION 1.900Å
e1h1lD3[D:1-211] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
NITROGENASE MOLYBDENUM IRON PROTEIN BETA CHAIN ; ligands: CLF,MG ; X-RAY DIFFRACTION 1.900Å
e3k1aB2[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CA,CLF ; X-RAY DIFFRACTION 2.23Å
e3k1aD2[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CA,CLF ; X-RAY DIFFRACTION 2.23Å
e1l5hB1[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
NITROGENASE MOLYBDENUM-IRON PROTEIN BETA CHAIN ; ligands: CA,CLF ; X-RAY DIFFRACTION 2.3Å
e1m1nD1[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CA,CLF ; X-RAY DIFFRACTION 1.16Å
e1m1nF2[F:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CA,CLF ; X-RAY DIFFRACTION 1.16Å
e1m1nH1[H:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CA,CLF ; X-RAY DIFFRACTION 1.16Å
e1m1yB2[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CA,CLF ; X-RAY DIFFRACTION 3.2Å
e1m1yD1[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CA,CLF ; X-RAY DIFFRACTION 3.2Å
e1m1yJ2[J:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CA,CLF ; X-RAY DIFFRACTION 3.2Å
e1m1yL2[L:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CA,CLF ; X-RAY DIFFRACTION 3.2Å
e1m34B1[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase Molybdenum-Iron Protein beta chain ; ligands: CA,CLF,SF4 ; X-RAY DIFFRACTION 2.3Å
e1m34D3[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase Molybdenum-Iron Protein beta chain ; ligands: CA,CLF,SF4 ; X-RAY DIFFRACTION 2.3Å
e1m34J3[J:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase Molybdenum-Iron Protein beta chain ; ligands: CA,CLF,SF4 ; X-RAY DIFFRACTION 2.3Å
e1m34L1[L:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase Molybdenum-Iron Protein beta chain ; ligands: CA,CLF,SF4 ; X-RAY DIFFRACTION 2.3Å
e2minB1[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
NITROGENASE MOLYBDENUM IRON PROTEIN ; ligands: CA,CLF ; X-RAY DIFFRACTION 2.03Å
e2minD2[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
NITROGENASE MOLYBDENUM IRON PROTEIN ; ligands: CA,CLF ; X-RAY DIFFRACTION 2.03Å
e3minB3[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
NITROGENASE MOLYBDENUM IRON PROTEIN ; ligands: CA,CLF ; X-RAY DIFFRACTION 2.03Å
e3minD1[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
NITROGENASE MOLYBDENUM IRON PROTEIN ; ligands: CA,CLF ; X-RAY DIFFRACTION 2.03Å
e1n2cB2[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
NITROGENASE MOLYBDENUM-IRON PROTEIN ; ligands: CA,CLF,SF4 ; X-RAY DIFFRACTION 3.0Å
e1n2cD1[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
NITROGENASE MOLYBDENUM-IRON PROTEIN ; ligands: CA,CLF,SF4 ; X-RAY DIFFRACTION 3.0Å
e4nd8B1[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
NITROGENASE MOLYBDENUM-IRON PROTEIN BETA CHAIN ; ligands: 1CL,FE,HCA ; X-RAY DIFFRACTION 2.0Å
e4nd8D3[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
NITROGENASE MOLYBDENUM-IRON PROTEIN BETA CHAIN ; ligands: 1CL,FE,HCA ; X-RAY DIFFRACTION 2.0Å
e1qguB2[B:1-211] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PROTEIN (NITROGENASE MOLYBDENUM IRON PROTEIN) ; ligands: CLF,EDO,MG ; X-RAY DIFFRACTION 1.6Å
e1qguD3[D:1-211] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PROTEIN (NITROGENASE MOLYBDENUM IRON PROTEIN) ; ligands: CLF,EDO,MG ; X-RAY DIFFRACTION 1.6Å
e1qh1B1[B:1-211] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PROTEIN (NITROGENASE MOLYBDENUM IRON PROTEIN) ; ligands: CLF,EDO,MG ; X-RAY DIFFRACTION 1.60Å
e1qh1D3[D:1-211] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PROTEIN (NITROGENASE MOLYBDENUM IRON PROTEIN) ; ligands: CLF,EDO,MG ; X-RAY DIFFRACTION 1.60Å
e1qh8B2[B:1-211] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PROTEIN (NITROGENASE MOLYBDENUM IRON PROTEIN) ; ligands: CLF,EDO,MG ; X-RAY DIFFRACTION 1.60Å
e1qh8D1[D:1-211] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PROTEIN (NITROGENASE MOLYBDENUM IRON PROTEIN) ; ligands: CLF,EDO,MG ; X-RAY DIFFRACTION 1.60Å
e4tkuB3[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CLF,FE2,IMD ; X-RAY DIFFRACTION 1.43Å
e4tkuD1[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CLF,FE2,IMD ; X-RAY DIFFRACTION 1.43Å
e4tkvB1[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CLF,FE2,IMD ; X-RAY DIFFRACTION 1.50Å
e4tkvD3[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CLF,FE2,IMD ; X-RAY DIFFRACTION 1.50Å
e3u7qB2[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: 1CL,CA,CLF,IMD ; X-RAY DIFFRACTION 1.00Å
e3u7qD2[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: 1CL,CA,CLF,IMD,MG ; X-RAY DIFFRACTION 1.00Å
e4wnaB1[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CLF,FE ; X-RAY DIFFRACTION 2.000Å
e4wnaD2[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CLF,FE ; X-RAY DIFFRACTION 2.000Å
e4wzaB3[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CLF,FE,SF4 ; X-RAY DIFFRACTION 1.8995Å
e4wzaD1[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CLF,FE,SF4 ; X-RAY DIFFRACTION 1.8995Å
e4wzbB1[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ligands: CLF,FE2,SF4 ; X-RAY DIFFRACTION 2.300Å
e4wzbD2[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ligands: CLF,FE2,SF4 ; X-RAY DIFFRACTION 2.300Å
e5cx1B2[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CA,CLF ; X-RAY DIFFRACTION 1.7476Å
e5cx1D1[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CA,CLF ; X-RAY DIFFRACTION 1.7476Å
e5cx1F2[F:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CA,CLF ; X-RAY DIFFRACTION 1.7476Å
e5cx1H2[H:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CA,CLF ; X-RAY DIFFRACTION 1.7476Å
e5cx1J2[J:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CA,CLF ; X-RAY DIFFRACTION 1.7476Å
e5cx1L2[L:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CA,CLF ; X-RAY DIFFRACTION 1.7476Å
e5cx1N2[N:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CA,CLF ; X-RAY DIFFRACTION 1.7476Å
e5cx1P2[P:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CA,CLF ; X-RAY DIFFRACTION 1.7476Å
e4xpiB3[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: 1CL,CA,GOL,TRS ; X-RAY DIFFRACTION 1.97Å
e4xpiD1[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: 1CL,CA,GOL,TRS ; X-RAY DIFFRACTION 1.97Å
e5bvgB3[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CLF,FE2,IMD,SE ; X-RAY DIFFRACTION 1.60Å
e5bvgD3[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CLF,FE2,IMD,SE ; X-RAY DIFFRACTION 1.60Å
e5bvhB1[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CLF,FE2,IMD ; X-RAY DIFFRACTION 1.53Å
e5bvhD3[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CLF,FE2,IMD ; X-RAY DIFFRACTION 1.53Å
e5kojB1[B:2-208] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase FeMo beta subunit protein NifK ; ligands: CLF,FE,HCA ; X-RAY DIFFRACTION 2.592Å
e5kojD3[D:2-208] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase FeMo beta subunit protein NifK ; ligands: CLF,FE,HCA ; X-RAY DIFFRACTION 2.592Å
e5kohB1[B:2-208] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase FeMo beta subunit protein NifK ; ligands: CLF,FE,MRD ; X-RAY DIFFRACTION 1.83Å
e5kohD2[D:2-208] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase FeMo beta subunit protein NifK ; ligands: CLF,FE,MPD ; X-RAY DIFFRACTION 1.83Å
e5ijyB3[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH
e5ijyD2[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH
e5vq4B2[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CLF,FE ; X-RAY DIFFRACTION 2.30Å
e5vq4D1[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CLF,FE ; X-RAY DIFFRACTION 2.30Å
e6cdkB3[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CLF,FE ; X-RAY DIFFRACTION 2.100Å
e6cdkD3[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CLF,FE ; X-RAY DIFFRACTION 2.100Å
e6bblB1[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: 1CL,FE,HCA ; X-RAY DIFFRACTION 1.680Å
e6bblD3[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: 1CL,C2H,FE,HCA,IMD ; X-RAY DIFFRACTION 1.680Å
e6o7lB2[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CLF,FE,HCA ; X-RAY DIFFRACTION 2.26Å
e6o7lD3[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CLF,FE,HCA ; X-RAY DIFFRACTION 2.26Å
e6o7mB2[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CLF,FE,HCA ; X-RAY DIFFRACTION 1.40Å
e6o7mD1[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CLF,FE,HCA ; X-RAY DIFFRACTION 1.40Å
e6o7nB2[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CLF,FE,HCA ; X-RAY DIFFRACTION 1.75Å
e6o7nD3[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CLF,FE,HCA ; X-RAY DIFFRACTION 1.75Å
e6o7oB2[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CLF,FE,HCA ; X-RAY DIFFRACTION 1.89Å
e6o7oD3[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CLF,FE,HCA ; X-RAY DIFFRACTION 1.89Å
e6o7pB3[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CLF,FE,HCA ; X-RAY DIFFRACTION 1.70Å
e6o7pD1[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CLF,FE,HCA ; X-RAY DIFFRACTION 1.70Å
e6o7qB3[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CLF,FE,HCA ; X-RAY DIFFRACTION 2.00Å
e6o7qD1[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CLF,FE,HCA ; X-RAY DIFFRACTION 2.00Å
e6o7rB1[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CLF,FE,HCA ; X-RAY DIFFRACTION 2.27Å
e6o7rD3[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CLF,FE,HCA ; X-RAY DIFFRACTION 2.27Å
e6o7sB3[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: FE,HCA,LPJ ; X-RAY DIFFRACTION 2.27Å
e6o7sD1[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: FE,HCA,LPJ ; X-RAY DIFFRACTION 2.27Å
e6op1B3[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CA,CLF,IMD ; X-RAY DIFFRACTION 1.700Å
e6op1D2[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CA,CLF,IMD,MG ; X-RAY DIFFRACTION 1.700Å
e6op2B2[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CA,CLF,IMD ; X-RAY DIFFRACTION 1.900Å
e6op2D2[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CA,CLF,IMD,MG ; X-RAY DIFFRACTION 1.900Å
e6op3B2[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CA,CLF,IMD ; X-RAY DIFFRACTION 1.600Å
e6op3D3[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CA,CLF,IMD,MG ; X-RAY DIFFRACTION 1.600Å
e6op4B3[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CA,CLF,IMD ; X-RAY DIFFRACTION 2.300Å
e6op4D3[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CA,CLF,IMD,MG ; X-RAY DIFFRACTION 2.300Å
e6ug0B1[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: 1CL,FE,GOL ; X-RAY DIFFRACTION 1.83Å
e6ug0D2[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: 1CL,FE,GOL ; X-RAY DIFFRACTION 1.83Å
e6vxtB1[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CLF,FE,GOL ; X-RAY DIFFRACTION 1.73Å
e6vxtD2[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CLF,FE,GOL ; X-RAY DIFFRACTION 1.73Å
e7jrfB2[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CA,CLF,IMD ; X-RAY DIFFRACTION 1.33Å
e7jrfD3[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CA,CLF,IMD,MG ; X-RAY DIFFRACTION 1.33Å
e7mciB1[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATHDOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CA,CLF,GOL ; X-RAY DIFFRACTION 1.65Å
e7mciD1[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATHDOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CA,CLF,GOL ; X-RAY DIFFRACTION 1.65Å
e8dpnB3[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CLF,FE ; ELECTRON MICROSCOPY
e8dpnD1[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CLF,FE ; ELECTRON MICROSCOPY
e7ut6B2[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CLF,FE ; ELECTRON MICROSCOPY
e7ut6D3[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CLF,FE ; ELECTRON MICROSCOPY
e7ut7B3[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CLF,FE ; ELECTRON MICROSCOPY
e7ut7D3[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CLF,FE ; ELECTRON MICROSCOPY
e7ut8B3[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CLF,FE,SF4 ; ELECTRON MICROSCOPY
e7ut8D1[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CLF,FE ; ELECTRON MICROSCOPY
e7ut9B3[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CLF,FE,SF4 ; ELECTRON MICROSCOPY
e7ut9D2[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CLF,FE,HCA ; ELECTRON MICROSCOPY
e7utaB3[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CLF,FE,SF4 ; ELECTRON MICROSCOPY
e7utaD3[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CLF,FE,SF4 ; ELECTRON MICROSCOPY
e8crsB3[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: 1N7,CLF,FE ; ELECTRON MICROSCOPY
e8crsD1[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: 1N7,CLF,FE ; ELECTRON MICROSCOPY
e8dbxB2[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: 1CL,CLF,FE ; ELECTRON MICROSCOPY
e8dbxD3[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: 1CL,CLF,FE ; ELECTRON MICROSCOPY
e8enlB2[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: 1N7,CLF,FE ; ELECTRON MICROSCOPY
e8enlD2[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: 1N7,CLF,FE ; ELECTRON MICROSCOPY
e8enmB3[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CLF,FE ; ELECTRON MICROSCOPY
e8enmD1[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CLF,FE ; ELECTRON MICROSCOPY
e8ennB1[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: 1N7,CLF,FE ; ELECTRON MICROSCOPY
e8ennD1[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: 1N7,CIT,CLF,FE ; ELECTRON MICROSCOPY
e8enoB3[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: 1N7,CLF,FE ; ELECTRON MICROSCOPY
e8enoD3[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: 1N7,CLF,FE ; ELECTRON MICROSCOPY
e8e3tB3[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: FE,HCA,NA,UFF ; X-RAY DIFFRACTION 2.2Å
e8e3tD1[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: FE,HCA,NA,UFF ; X-RAY DIFFRACTION 2.2Å
e8e3uB1[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: FE,HCA,NA,UFF ; X-RAY DIFFRACTION 1.99Å
e8e3uD2[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: FE,HCA,NA,UFF ; X-RAY DIFFRACTION 1.99Å
e8e3vB2[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CLF,FE,HCA ; X-RAY DIFFRACTION 2.00Å
e8e3vD1[D:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CLF,FE,HCA ; X-RAY DIFFRACTION 2.00Å
e8btsB3[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ligands: 1CL,FE,GOL ; X-RAY DIFFRACTION 3.029Å
e8dbyB1[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CLF,FE ; ELECTRON MICROSCOPY
e8dfcB2[B:2-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogenase molybdenum-iron protein beta chain ; ligands: CLF,FE ; ELECTRON MICROSCOPY

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