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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

X: Flavodoxin-like
H: Class I glutamine amidotransferase-like
T: Chelatase-like
F: Oxidored_nitro

PF00148 CL0043

Representatives:

e1m1nA1[A:4-210] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein alpha chain ; ligands: CFN,CLF,HCA ; X-RAY DIFFRACTION 1.16Å

e1m1nA2[A:211-331] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein alpha chain ; ligands: CFN ; X-RAY DIFFRACTION 1.16Å

e1m1nA3[A:332-480] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein alpha chain ; ligands: CFN,HCA ; X-RAY DIFFRACTION 1.16Å

e1m1nB2[B:214-349] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; X-RAY DIFFRACTION 1.16Å

e2afhB3[B:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein ; ligands: PG4,PGE,TRS ; X-RAY DIFFRACTION 2.1Å

e2afhD3[D:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein ; ligands: PGE ; X-RAY DIFFRACTION 2.1Å

e2afiB1[B:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein ; X-RAY DIFFRACTION 3.1Å

e2afiD2[D:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein ; X-RAY DIFFRACTION 3.1Å

e2afiJ3[J:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein ; X-RAY DIFFRACTION 3.1Å

e2afiL3[L:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein ; X-RAY DIFFRACTION 3.1Å

e1fp4B1[B:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE MOLYBDENUM-IRON PROTEIN BETA CHAIN ; X-RAY DIFFRACTION 2.5Å

e1fp4D1[D:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE MOLYBDENUM-IRON PROTEIN BETA CHAIN ; X-RAY DIFFRACTION 2.5Å

e1g20B2[B:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE MOLYBDENUM-IRON PROTEIN BETA CHAIN ; X-RAY DIFFRACTION 2.2Å

e1g20D2[D:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE MOLYBDENUM-IRON PROTEIN BETA CHAIN ; X-RAY DIFFRACTION 2.2Å

e1g21B1[B:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE MOLYBDENUM-IRON PROTEIN BETA CHAIN ; X-RAY DIFFRACTION 3.0Å

e1g21D1[D:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE MOLYBDENUM-IRON PROTEIN BETA CHAIN ; X-RAY DIFFRACTION 3.0Å

e3k1aB3[B:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; X-RAY DIFFRACTION 2.23Å

e3k1aD1[D:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; X-RAY DIFFRACTION 2.23Å

e1l5hB2[B:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE MOLYBDENUM-IRON PROTEIN BETA CHAIN ; X-RAY DIFFRACTION 2.3Å

e1m1nD2[D:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; X-RAY DIFFRACTION 1.16Å

e1m1nF1[F:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; X-RAY DIFFRACTION 1.16Å

e1m1nH2[H:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; X-RAY DIFFRACTION 1.16Å

e1m1yB1[B:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; X-RAY DIFFRACTION 3.2Å

e1m1yD3[D:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; X-RAY DIFFRACTION 3.2Å

e1m1yJ3[J:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; X-RAY DIFFRACTION 3.2Å

e1m1yL1[L:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; X-RAY DIFFRACTION 3.2Å

e1m34B3[B:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase Molybdenum-Iron Protein beta chain ; X-RAY DIFFRACTION 2.3Å

e1m34D1[D:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase Molybdenum-Iron Protein beta chain ; X-RAY DIFFRACTION 2.3Å

e1m34J1[J:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase Molybdenum-Iron Protein beta chain ; X-RAY DIFFRACTION 2.3Å

e1m34L3[L:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase Molybdenum-Iron Protein beta chain ; X-RAY DIFFRACTION 2.3Å

e2minB2[B:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE MOLYBDENUM IRON PROTEIN ; X-RAY DIFFRACTION 2.03Å

e2minD3[D:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE MOLYBDENUM IRON PROTEIN ; X-RAY DIFFRACTION 2.03Å

e3minB1[B:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE MOLYBDENUM IRON PROTEIN ; X-RAY DIFFRACTION 2.03Å

e3minD3[D:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE MOLYBDENUM IRON PROTEIN ; X-RAY DIFFRACTION 2.03Å

e1n2cB3[B:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE MOLYBDENUM-IRON PROTEIN ; X-RAY DIFFRACTION 3.0Å

e1n2cD3[D:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE MOLYBDENUM-IRON PROTEIN ; X-RAY DIFFRACTION 3.0Å

e4nd8B3[B:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE MOLYBDENUM-IRON PROTEIN BETA CHAIN ; X-RAY DIFFRACTION 2.0Å

e4nd8D2[D:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE MOLYBDENUM-IRON PROTEIN BETA CHAIN ; X-RAY DIFFRACTION 2.0Å

e4tkuB1[B:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; ligands: IMD ; X-RAY DIFFRACTION 1.43Å

e4tkuD2[D:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; ligands: IMD ; X-RAY DIFFRACTION 1.43Å

e4tkvB2[B:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; ligands: IMD ; X-RAY DIFFRACTION 1.50Å

e4tkvD2[D:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; ligands: IMD ; X-RAY DIFFRACTION 1.50Å

e3u7qB1[B:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; X-RAY DIFFRACTION 1.00Å

e3u7qD3[D:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; ligands: IMD ; X-RAY DIFFRACTION 1.00Å

e4wnaB2[B:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; X-RAY DIFFRACTION 2.000Å

e4wnaD1[D:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; X-RAY DIFFRACTION 2.000Å

e4wzaB2[B:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; X-RAY DIFFRACTION 1.8995Å

e4wzaD2[D:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; X-RAY DIFFRACTION 1.8995Å

e4wzbB2[B:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; X-RAY DIFFRACTION 2.300Å

e4wzbD1[D:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; X-RAY DIFFRACTION 2.300Å

e5cx1B3[B:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; X-RAY DIFFRACTION 1.7476Å

e5cx1D2[D:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; X-RAY DIFFRACTION 1.7476Å

e5cx1F3[F:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; X-RAY DIFFRACTION 1.7476Å

e5cx1H1[H:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; X-RAY DIFFRACTION 1.7476Å

e5cx1J3[J:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; X-RAY DIFFRACTION 1.7476Å

e5cx1L1[L:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; X-RAY DIFFRACTION 1.7476Å

e5cx1N1[N:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; X-RAY DIFFRACTION 1.7476Å

e5cx1P3[P:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; X-RAY DIFFRACTION 1.7476Å

e4xpiB2[B:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; ligands: GOL ; X-RAY DIFFRACTION 1.97Å

e4xpiD2[D:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; ligands: GOL ; X-RAY DIFFRACTION 1.97Å

e5bvgB1[B:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; ligands: IMD ; X-RAY DIFFRACTION 1.60Å

e5bvgD1[D:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; ligands: IMD ; X-RAY DIFFRACTION 1.60Å

e5bvhB3[B:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; ligands: IMD ; X-RAY DIFFRACTION 1.53Å

e5bvhD1[D:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; ligands: IMD ; X-RAY DIFFRACTION 1.53Å

e5ijyB1[B:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH

e5ijyD3[D:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH

e5vq4B1[B:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; X-RAY DIFFRACTION 2.30Å

e5vq4D3[D:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; X-RAY DIFFRACTION 2.30Å

e6bblB3[B:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; X-RAY DIFFRACTION 1.680Å

e6bblD1[D:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; X-RAY DIFFRACTION 1.680Å

e6cdkB2[B:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; X-RAY DIFFRACTION 2.100Å

e6cdkD2[D:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; X-RAY DIFFRACTION 2.100Å

e6o7lB3[B:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; X-RAY DIFFRACTION 2.26Å

e6o7lD1[D:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; X-RAY DIFFRACTION 2.26Å

e6o7mB1[B:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; X-RAY DIFFRACTION 1.40Å

e6o7mD2[D:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; X-RAY DIFFRACTION 1.40Å

e6o7nB3[B:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; X-RAY DIFFRACTION 1.75Å

e6o7nD1[D:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; X-RAY DIFFRACTION 1.75Å

e6o7oB3[B:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; X-RAY DIFFRACTION 1.89Å

e6o7oD1[D:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; X-RAY DIFFRACTION 1.89Å

e6o7pB2[B:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; X-RAY DIFFRACTION 1.70Å

e6o7pD2[D:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; X-RAY DIFFRACTION 1.70Å

e6o7qB2[B:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; X-RAY DIFFRACTION 2.00Å

e6o7qD3[D:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; X-RAY DIFFRACTION 2.00Å

e6o7rB3[B:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; X-RAY DIFFRACTION 2.27Å

e6o7rD2[D:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; X-RAY DIFFRACTION 2.27Å

e6o7sB2[B:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; X-RAY DIFFRACTION 2.27Å

e6o7sD3[D:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; X-RAY DIFFRACTION 2.27Å

e6op1B2[B:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; ligands: IMD ; X-RAY DIFFRACTION 1.700Å

e6op1D3[D:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; ligands: IMD ; X-RAY DIFFRACTION 1.700Å

e6op2B3[B:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; ligands: IMD ; X-RAY DIFFRACTION 1.900Å

e6op2D3[D:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; ligands: IMD ; X-RAY DIFFRACTION 1.900Å

e6op3B1[B:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; ligands: IMD ; X-RAY DIFFRACTION 1.600Å

e6op3D2[D:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; ligands: IMD ; X-RAY DIFFRACTION 1.600Å

e6op4B1[B:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; ligands: IMD ; X-RAY DIFFRACTION 2.300Å

e6op4D1[D:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; ligands: IMD ; X-RAY DIFFRACTION 2.300Å

e6ug0B2[B:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; ligands: GOL,H2S,MO,PGE ; X-RAY DIFFRACTION 1.83Å

e6ug0D3[D:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; ligands: GOL,H2S,MO ; X-RAY DIFFRACTION 1.83Å

e6vxtB2[B:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; ligands: GOL ; X-RAY DIFFRACTION 1.73Å

e6vxtD1[D:214-349] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; ligands: GOL ; X-RAY DIFFRACTION 1.73Å

e1h1lB2[B:212-345] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE MOLYBDENUM IRON PROTEIN BETA CHAIN ; X-RAY DIFFRACTION 1.900Å

e5kojB2[B:209-344] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase FeMo beta subunit protein NifK ; X-RAY DIFFRACTION 2.592Å

e1m1nB3[B:350-523] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein beta chain ; ligands: CA ; X-RAY DIFFRACTION 1.16Å

e5n6yA1[A:2-191] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase vanadium-iron protein alpha chain ; ligands: 8P8,CLF,HCA ; X-RAY DIFFRACTION 1.35Å

e5n6yA2[A:192-314] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase vanadium-iron protein alpha chain ; ligands: 8P8 ; X-RAY DIFFRACTION 1.35Å

e5n6yA3[A:315-474] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase vanadium-iron protein alpha chain ; ligands: 8P8,CO3,HCA ; X-RAY DIFFRACTION 1.35Å

e2ynmD2[D:1-148] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

LIGHT-INDEPENDENT PROTOCHLOROPHYLLIDE REDUCTASE SUBUNIT B ; ligands: 1PE,GOL,K,PMR,SF4 ; X-RAY DIFFRACTION 2.1Å

e2ynmD3[D:158-275] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

LIGHT-INDEPENDENT PROTOCHLOROPHYLLIDE REDUCTASE SUBUNIT B ; ligands: EPE ; X-RAY DIFFRACTION 2.1Å

e2ynmD4[D:276-451] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

LIGHT-INDEPENDENT PROTOCHLOROPHYLLIDE REDUCTASE SUBUNIT B ; ligands: EPE,GOL,PMR ; X-RAY DIFFRACTION 2.1Å

e1mioA1[A:2-201] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE MOLYBDENUM IRON PROTEIN (ALPHA CHAIN) ; ligands: CFM,CLP,HCA ; X-RAY DIFFRACTION

e1mioA2[A:202-321] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE MOLYBDENUM IRON PROTEIN (ALPHA CHAIN) ; ligands: CFM ; X-RAY DIFFRACTION

e1mioA3[A:322-526] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE MOLYBDENUM IRON PROTEIN (ALPHA CHAIN) ; ligands: CFM,HCA ; X-RAY DIFFRACTION

e1mioB1[B:2-163] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE MOLYBDENUM IRON PROTEIN (BETA CHAIN) ; ligands: CA,CLP ; X-RAY DIFFRACTION

e1mioB2[B:164-297] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE MOLYBDENUM IRON PROTEIN (BETA CHAIN) ; X-RAY DIFFRACTION

e1mioB3[B:298-458] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE MOLYBDENUM IRON PROTEIN (BETA CHAIN) ; ligands: CA ; X-RAY DIFFRACTION

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.

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