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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: P-loop domains-like
H: P-loop domains-related
T: P-loop containing nucleoside triphosphate hydrolases
F: Fer4_NifH

PF00142 CL0023

Representatives:

e2afhE1[E:1-289] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein 1 ; ligands: PG4,SF4 ; X-RAY DIFFRACTION 2.1Å

e8dfcF1[F:1-274] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein 1 ; ligands: ADP,ALF,MG,SF4 ; ELECTRON MICROSCOPY

e8dfdE1[E:1-274] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein 1 ; ligands: ADP,ALF,MG,SF4 ; ELECTRON MICROSCOPY

e8dfdF1[F:1-274] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein 1 ; ligands: ADP,ALF,MG,SF4 ; ELECTRON MICROSCOPY

e8dfdG1[G:1-274] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein 1 ; ligands: ADP,ALF,MG,SF4 ; ELECTRON MICROSCOPY

e8dfdH1[H:1-274] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein 1 ; ligands: ADP,ALF,MG,SF4 ; ELECTRON MICROSCOPY

e8oieE1[E:2-273] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ligands: ADP,AF3,MG,SF4 ; ELECTRON MICROSCOPY

e8oieI1[I:2-273] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ligands: ADP,AF3,MG,SF4 ; ELECTRON MICROSCOPY

e8oieJ1[J:2-273] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ligands: ADP,AF3,MG,SF4 ; ELECTRON MICROSCOPY

e1m1yE1[E:1-286] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

nitrogenase IRON protein 1 ; ligands: SF4 ; X-RAY DIFFRACTION 3.2Å

e1g1mB1[B:1-289] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE IRON PROTEIN ; ligands: SF4 ; X-RAY DIFFRACTION 2.25Å

e1cp2A1[A:1-269] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE IRON PROTEIN ; ligands: SF4 ; X-RAY DIFFRACTION 1.93Å

e1g20H1[H:2-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE IRON PROTEIN ; ligands: SF4 ; X-RAY DIFFRACTION 2.2Å

e1m34F1[F:1-274] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase Iron Protein 1 ; ligands: ADP,ALF,MG,SF4 ; X-RAY DIFFRACTION 2.3Å

e1m34G1[G:1-274] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase Iron Protein 1 ; ligands: ADP,ALF,MG,SF4 ; X-RAY DIFFRACTION 2.3Å

e1rw4A1[A:1-272] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein 1 ; ligands: GOL,SF4 ; X-RAY DIFFRACTION 2.5Å

e1g20G1[G:2-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE IRON PROTEIN ; ligands: SF4 ; X-RAY DIFFRACTION 2.2Å

e1xcpA1[A:1-289] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,

Nitrogenase iron protein 1 ; ligands: ADP,MG,SF4 ; X-RAY DIFFRACTION 3.2Å

e2nipB1[B:1-289] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE IRON PROTEIN ; ligands: SF4 ; X-RAY DIFFRACTION 2.2Å

e1g21G1[G:2-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE IRON PROTEIN ; ligands: ATP,MG,SF4 ; X-RAY DIFFRACTION 3.0Å

e1g21H1[H:2-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE IRON PROTEIN ; ligands: ATP,MG,SF4 ; X-RAY DIFFRACTION 3.0Å

e1m1yN1[N:1-289] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

nitrogenase IRON protein 1 ; ligands: SF4 ; X-RAY DIFFRACTION 3.2Å

e1g5pA1[A:1-286] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE IRON PROTEIN ; ligands: SF4 ; X-RAY DIFFRACTION 2.2Å

e1de0B1[B:1-289] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE IRON PROTEIN ; ligands: SF4 ; X-RAY DIFFRACTION 2.4Å

e1de0A1[A:1-289] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE IRON PROTEIN ; ligands: SF4 ; X-RAY DIFFRACTION 2.4Å

e1xcpB1[B:1-289] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,

Nitrogenase iron protein 1 ; ligands: ADP,MG,SF4 ; X-RAY DIFFRACTION 3.2Å

e1m1yP1[P:1-289] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

nitrogenase IRON protein 1 ; ligands: SF4 ; X-RAY DIFFRACTION 3.2Å

e2afhF1[F:1-286] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein 1 ; ligands: PG4,SF4 ; X-RAY DIFFRACTION 2.1Å

e1n2cG1[G:1-274] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE IRON PROTEIN ; ligands: ADP,ALF,MG,SF4 ; X-RAY DIFFRACTION 3.0Å

e2nipA1[A:1-286] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE IRON PROTEIN ; ligands: SF4 ; X-RAY DIFFRACTION 2.2Å

e1m34O1[O:1-274] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase Iron Protein 1 ; ligands: ADP,ALF,MG,SF4 ; X-RAY DIFFRACTION 2.3Å

e1m34M1[M:1-274] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase Iron Protein 1 ; ligands: ADP,ALF,MG,SF4 ; X-RAY DIFFRACTION 2.3Å

e1m1yF1[F:1-289] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

nitrogenase IRON protein 1 ; ligands: SF4 ; X-RAY DIFFRACTION 3.2Å

e1m34P1[P:1-274] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase Iron Protein 1 ; ligands: ADP,ALF,MG,SF4 ; X-RAY DIFFRACTION 2.3Å

e1n2cF1[F:1-274] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE IRON PROTEIN ; ligands: ADP,ALF,MG,SF4 ; X-RAY DIFFRACTION 3.0Å

e1m1yM1[M:1-286] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

nitrogenase IRON protein 1 ; ligands: SF4 ; X-RAY DIFFRACTION 3.2Å

e1g20E1[E:2-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE IRON PROTEIN ; ligands: SF4 ; X-RAY DIFFRACTION 2.2Å

e1n2cH1[H:1-274] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE IRON PROTEIN ; ligands: ADP,ALF,MG,SF4 ; X-RAY DIFFRACTION 3.0Å

e1m34H1[H:1-274] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase Iron Protein 1 ; ligands: ADP,ALF,MG,SF4 ; X-RAY DIFFRACTION 2.3Å

e1m1yG1[G:1-286] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

nitrogenase IRON protein 1 ; ligands: SF4 ; X-RAY DIFFRACTION 3.2Å

e1n2cE1[E:1-274] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE IRON PROTEIN ; ligands: ADP,ALF,MG,SF4 ; X-RAY DIFFRACTION 3.0Å

e1g1mA1[A:1-287] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE IRON PROTEIN ; ligands: SF4 ; X-RAY DIFFRACTION 2.25Å

e1xcpC1[C:1-289] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,

Nitrogenase iron protein 1 ; ligands: ADP,MG,SF4 ; X-RAY DIFFRACTION 3.2Å

e1cp2B1[B:1-269] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE IRON PROTEIN ; ligands: SF4 ; X-RAY DIFFRACTION 1.93Å

e1nipB1[B:1-287] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,

NITROGENASE IRON PROTEIN ; ligands: ADP,MG,SF4 ; X-RAY DIFFRACTION

e1fp6B1[B:1-289] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE IRON PROTEIN ; ligands: ADP,MG,SF4 ; X-RAY DIFFRACTION 2.15Å

e1g20F1[F:2-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE IRON PROTEIN ; ligands: SF4 ; X-RAY DIFFRACTION 2.2Å

e1fp6C1[C:1-285] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE IRON PROTEIN ; ligands: ADP,MG,SF4 ; X-RAY DIFFRACTION 2.15Å

e1nipA1[A:1-283] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,

NITROGENASE IRON PROTEIN ; ligands: ADP,MG,SF4 ; X-RAY DIFFRACTION

e1m34N1[N:1-274] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase Iron Protein 1 ; ligands: ADP,ALF,MG,SF4 ; X-RAY DIFFRACTION 2.3Å

e1m1yH1[H:1-289] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

nitrogenase IRON protein 1 ; ligands: SF4 ; X-RAY DIFFRACTION 3.2Å

e1m34E1[E:1-274] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase Iron Protein 1 ; ligands: ADP,ALF,MG,SF4 ; X-RAY DIFFRACTION 2.3Å

e1m1yO1[O:1-286] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

nitrogenase IRON protein 1 ; ligands: SF4 ; X-RAY DIFFRACTION 3.2Å

e1fp6A1[A:1-289] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE IRON PROTEIN ; ligands: ADP,MG,SF4 ; X-RAY DIFFRACTION 2.15Å

e1fp6D1[D:1-285] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE IRON PROTEIN ; ligands: ADP,MG,SF4 ; X-RAY DIFFRACTION 2.15Å

e1g21F1[F:2-269] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE IRON PROTEIN ; ligands: ATP,MG,SF4 ; X-RAY DIFFRACTION 3.0Å

e1xcpD1[D:1-289] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,

Nitrogenase iron protein 1 ; ligands: ADP,MG,SF4 ; X-RAY DIFFRACTION 3.2Å

e1g21E1[E:2-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE IRON PROTEIN ; ligands: ATP,MG,SF4 ; X-RAY DIFFRACTION 3.0Å

e2c8vA1[A:1-272] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE IRON PROTEIN 1 ; ligands: ATP,MG ; X-RAY DIFFRACTION 2.5Å

e1g5pB1[B:1-289] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE IRON PROTEIN ; ligands: SF4 ; X-RAY DIFFRACTION 2.2Å

e3fwyA1[A:30-297] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Light-independent protochlorophyllide reductase iron-sulfur ATP-binding protein ; ligands: ADP,MG,SF4 ; X-RAY DIFFRACTION 1.63Å

e1xd8A1[A:1-289] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein 1 ; ligands: SF4 ; X-RAY DIFFRACTION 2.7Å

e1xd8B1[B:1-289] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein 1 ; ligands: SF4 ; X-RAY DIFFRACTION 2.7Å

e1xd9A1[A:1-289] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein 1 ; ligands: ADP,MG,SF4 ; X-RAY DIFFRACTION 2.8Å

e1xd9B1[B:1-289] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein 1 ; ligands: ADP,MG,SF4 ; X-RAY DIFFRACTION 2.8Å

e1xdbA1[A:1-289] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein 1 ; ligands: SF4 ; X-RAY DIFFRACTION 2.8Å

e1xdbB1[B:1-289] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein 1 ; ligands: SF4 ; X-RAY DIFFRACTION 2.8Å

e2afiO1[O:2-263] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein 1 ; ligands: ADP,MG,SF4 ; X-RAY DIFFRACTION 3.1Å

e2afkH1[H:1-262] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

; ligands: ACP,MG,SF4

e2afiE1[E:1-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein 1 ; ligands: ADP,MG,SF4 ; X-RAY DIFFRACTION 3.1Å

e2afiH1[H:2-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein 1 ; ligands: ADP,MG,SF4 ; X-RAY DIFFRACTION 3.1Å

e2afiM1[M:4-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein 1 ; ligands: ADP,MG,SF4 ; X-RAY DIFFRACTION 3.1Å

e2afiN1[N:4-273] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein 1 ; ligands: ADP,MG,SF4 ; X-RAY DIFFRACTION 3.1Å

e2afiP1[P:6-272] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein 1 ; ligands: ADP,MG,SF4 ; X-RAY DIFFRACTION 3.1Å

e2afkE1[E:1-270] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

; ligands: ACP,MG,SF4

e2afkG1[G:1-272] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

; ligands: ACP,MG,SF4

e2afiF1[F:1-275] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein 1 ; ligands: ADP,MG,SF4 ; X-RAY DIFFRACTION 3.1Å

e2afiG1[G:1-263] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein 1 ; ligands: ADP,MG,SF4 ; X-RAY DIFFRACTION 3.1Å

e2afkF1[F:1-263] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

; ligands: ACP,MG,SF4

e3fwyB1[B:30-297] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Light-independent protochlorophyllide reductase iron-sulfur ATP-binding protein ; ligands: ADP,MG,SF4 ; X-RAY DIFFRACTION 1.63Å

e2ynmB1[B:28-295] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

LIGHT-INDEPENDENT PROTOCHLOROPHYLLIDE REDUCTASE IRON-SULFUR ATP-BINDING PROTEIN ; ligands: ADP,AF3,EPE,GOL,MG,SF4 ; X-RAY DIFFRACTION 2.1Å

e2ynmA2[A:29-295] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

LIGHT-INDEPENDENT PROTOCHLOROPHYLLIDE REDUCTASE IRON-SULFUR ATP-BINDING PROTEIN ; ligands: 1PE,ADP,AF3,EPE,GOL,MG,SF4 ; X-RAY DIFFRACTION 2.1Å

e4wzaE1[E:1-276] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein 1 ; ligands: ACP,ADP,MG,SF4 ; X-RAY DIFFRACTION 1.8995Å

e4wzaG1[G:1-276] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein 1 ; ligands: ACP,ADP,MG,SF4 ; X-RAY DIFFRACTION 1.8995Å

e4wzaF1[F:1-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein 1 ; ligands: ACP,ADP,MG,SF4 ; X-RAY DIFFRACTION 1.8995Å

e4wzaH1[H:1-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein 1 ; ligands: ACP,ADP,MG,SF4 ; X-RAY DIFFRACTION 1.8995Å

e4wzbG1[G:1-272] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ligands: ACP,MG,SF4 ; X-RAY DIFFRACTION 2.300Å

e4wzbE1[E:1-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ligands: ACP,MG,SF4 ; X-RAY DIFFRACTION 2.300Å

e4wzbF1[F:1-263] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ligands: ACP,MG,SF4 ; X-RAY DIFFRACTION 2.300Å

e4wzbH1[H:1-262] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ligands: ACP,MG,SF4 ; X-RAY DIFFRACTION 2.300Å

e6n4jA1[A:1-289] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein 1 ; ligands: SF4 ; X-RAY DIFFRACTION 1.950Å

e6n4jB1[B:1-286] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein 1 ; ligands: SF4 ; X-RAY DIFFRACTION 1.950Å

e6n4kA1[A:1-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein 1 ; ligands: SF4 ; X-RAY DIFFRACTION 1.756Å

e6n4kB1[B:1-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein 1 ; ligands: SF4 ; X-RAY DIFFRACTION 1.756Å

e6n4lA1[A:1-283] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein 1 ; ligands: ADP,MG,SF4 ; X-RAY DIFFRACTION 1.130Å

e6n4mA1[A:1-283] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein 1 ; ligands: ADP,MG,SF4 ; X-RAY DIFFRACTION 1.580Å

e6q93H1[H:2-288] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein ; ligands: ADP,MG,SF4 ; X-RAY DIFFRACTION 2.20Å

e6q93B1[B:2-276] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein ; ligands: ADP,MG,SF4 ; X-RAY DIFFRACTION 2.20Å

e6q93E1[E:2-276] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein ; ligands: ADP,MG,SF4 ; X-RAY DIFFRACTION 2.20Å

e6q93F1[F:2-274] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein ; ligands: ADP,MG,SF4 ; X-RAY DIFFRACTION 2.20Å

e6q93A1[A:2-277] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein ; ligands: ADP,MG,SF4 ; X-RAY DIFFRACTION 2.20Å

e6q93D1[D:2-273] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein ; ligands: ADP,MG,SF4 ; X-RAY DIFFRACTION 2.20Å

e6q93G1[G:2-273] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein ; ligands: ADP,MG,SF4 ; X-RAY DIFFRACTION 2.20Å

e6q93C1[C:2-285] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein ; ligands: ADP,MG,SF4 ; X-RAY DIFFRACTION 2.20Å

e6nzjA1[A:1-273] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein ; ligands: SF4,SO4 ; X-RAY DIFFRACTION 2.4Å

e6nzjB1[B:1-273] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein ; ligands: SF4,SO4 ; X-RAY DIFFRACTION 2.4Å

e6o0bB1[B:2-288] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein ; ligands: SF4 ; X-RAY DIFFRACTION 1.6Å

e6o0bA1[A:2-286] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein ; ligands: SF4 ; X-RAY DIFFRACTION 1.6Å

e6uykA1[A:30-290] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Light-independent protochlorophyllide reductase iron-sulfur ATP-binding protein ; ligands: SF4 ; X-RAY DIFFRACTION 2.60Å

e6uykB1[B:28-295] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Light-independent protochlorophyllide reductase iron-sulfur ATP-binding protein ; ligands: SF4 ; X-RAY DIFFRACTION 2.60Å

e6uykC1[C:16-293] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Light-independent protochlorophyllide reductase iron-sulfur ATP-binding protein ; ligands: SF4 ; X-RAY DIFFRACTION 2.60Å

e6uykD1[D:30-292] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Light-independent protochlorophyllide reductase iron-sulfur ATP-binding protein ; ligands: SF4 ; X-RAY DIFFRACTION 2.60Å

e7tpnA1[A:1-274] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein 1 ; ligands: ADP,MG,SF4,SFS ; X-RAY DIFFRACTION 1.380Å

e7tpxA1[A:1-274] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein 1 ; ligands: ADP,MG,SF4 ; X-RAY DIFFRACTION 1.350Å

e7ut9E1[E:2-272] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein gamma chain ; ligands: ADP,ATP,MG,SF4 ; ELECTRON MICROSCOPY

e7utaE1[E:2-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein gamma chain ; ligands: 0BE,ADP,MG,SF4 ; ELECTRON MICROSCOPY

e7utaH1[H:2-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein gamma chain ; ligands: 0BE,ADP,MG,SF4 ; ELECTRON MICROSCOPY

e7t4hA1[A:1-272] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein 1 ; ligands: ADP,MG,SF4,SFS ; X-RAY DIFFRACTION 1.510Å

e7tneA1[A:1-276] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein 1 ; ligands: ADP,MG,SF4,SFS ; X-RAY DIFFRACTION 1.39Å

e7tpvA1[A:1-277] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein 1 ; ligands: ADP,MG,SF4 ; X-RAY DIFFRACTION 1.490Å

e7tpwA1[A:1-276] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein 1 ; ligands: ADP,MG,SF4 ; X-RAY DIFFRACTION 1.180Å

e7tpyA1[A:1-272] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein 1 ; ligands: ADP,MG,SF4 ; X-RAY DIFFRACTION 1.48Å

e7tpzA1[A:1-272] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein 1 ; ligands: ADP,MG,SF4 ; X-RAY DIFFRACTION 1.71Å

e7tq0A1[A:1-272] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein 1 ; ligands: ADP,MG,SF4,SFS ; X-RAY DIFFRACTION 1.81Å

e7tq9A1[A:1-272] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein 1 ; ligands: ADP,MG,SF4,SFS ; X-RAY DIFFRACTION 1.60Å

e7tqcA1[A:1-277] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein 1 ; ligands: ADP,MG,SF4,SFS ; X-RAY DIFFRACTION 1.53Å

e7tqiA1[A:1-272] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein 1 ; ligands: ADP,MG,SF4,SFS ; X-RAY DIFFRACTION 1.47Å

e7tqjA1[A:1-272] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein 1 ; ligands: ADP,MG,SF4,SFS ; X-RAY DIFFRACTION 1.48Å

e7tpoA1[A:1-273] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein 1 ; ligands: ADP,MG,SF4,SFS ; X-RAY DIFFRACTION 1.350Å

e7tqeA1[A:1-273] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein 1 ; ligands: ADP,MG,SF4,SFS ; X-RAY DIFFRACTION 1.59Å

e7tqfA1[A:1-273] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein 1 ; ligands: ADP,MG,SF4,SFS ; X-RAY DIFFRACTION 1.45Å

e7tqhA1[A:1-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein 1 ; ligands: ADP,MG,SF4,SFS ; X-RAY DIFFRACTION 1.49Å

e7tqkA1[A:1-273] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein 1 ; ligands: ADP,MG,SF4,SFS ; X-RAY DIFFRACTION 1.480Å

e7ut8E1[E:1-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein gamma chain ; ligands: ATP,MG,SF4 ; ELECTRON MICROSCOPY

e7ut8F1[F:1-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein gamma chain ; ligands: ATP,MG,SF4 ; ELECTRON MICROSCOPY

e7ut9F1[F:1-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein gamma chain ; ligands: ADP,ATP,MG,SF4 ; ELECTRON MICROSCOPY

e7utaF1[F:1-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein gamma chain ; ligands: 0BE,ADP,MG,SF4 ; ELECTRON MICROSCOPY

e7utaG1[G:1-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein gamma chain ; ligands: 0BE,ADP,MG,SF4 ; ELECTRON MICROSCOPY

e7qqaA1[A:2-274] Image Pymol Jmol Links: PDB, SCOP, CATH

Nitrogenase iron protein ; ligands: ADP,MG,SF4 ; X-RAY DIFFRACTION 1.79Å

e7qqaB1[B:2-272] Image Pymol Jmol Links: PDB, SCOP, CATH

Nitrogenase iron protein ; ligands: ADP,MG,SF4 ; X-RAY DIFFRACTION 1.79Å

e7qqaC1[C:2-272] Image Pymol Jmol Links: PDB, SCOP, CATH

Nitrogenase iron protein ; ligands: ADP,MG,SF4 ; X-RAY DIFFRACTION 1.79Å

e7qqaD1[D:2-274] Image Pymol Jmol Links: PDB, SCOP, CATH

Nitrogenase iron protein ; ligands: ADP,MG,SF4 ; X-RAY DIFFRACTION 1.79Å

e8dfcE1[E:1-274] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase iron protein 1 ; ligands: ADP,ALF,MG,SF4 ; ELECTRON MICROSCOPY

e8oieD1[D:2-273] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ligands: ADP,AF3,MG,SF4 ; ELECTRON MICROSCOPY

F: Unmapped domains

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

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