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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

e2afhA1[A:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e2afhC3[C:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e2afiA1[A:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein ; ligands: CFN ; X-RAY DIFFRACTION 3.1Å

e2afiC2[C:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein ; ligands: CFN ; X-RAY DIFFRACTION 3.1Å

e2afiI3[I:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein ; ligands: CFN ; X-RAY DIFFRACTION 3.1Å

e2afiK1[K:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein ; ligands: CFN ; X-RAY DIFFRACTION 3.1Å

e1fp4A1[A:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE MOLYBDENUM-IRON PROTEIN ALPHA CHAIN ; ligands: CFM ; X-RAY DIFFRACTION 2.5Å

e1fp4C3[C:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE MOLYBDENUM-IRON PROTEIN ALPHA CHAIN ; ligands: CFM ; X-RAY DIFFRACTION 2.5Å

e1g20A3[A:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE MOLYBDENUM-IRON PROTEIN ALPHA CHAIN ; ligands: CFM ; X-RAY DIFFRACTION 2.2Å

e1g20C3[C:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE MOLYBDENUM-IRON PROTEIN ALPHA CHAIN ; ligands: CFM ; X-RAY DIFFRACTION 2.2Å

e1g21A2[A:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE MOLYBDENUM-IRON PROTEIN ALPHA CHAIN ; ligands: CFM ; X-RAY DIFFRACTION 3.0Å

e1g21C2[C:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE MOLYBDENUM-IRON PROTEIN ALPHA CHAIN ; ligands: CFM ; X-RAY DIFFRACTION 3.0Å

e1h1lA1[A:210-329] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE MOLYBDENUM IRON PROTEIN ALPHA CHAIN ; ligands: CFM ; X-RAY DIFFRACTION 1.900Å

e1h1lC2[C:210-329] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE MOLYBDENUM IRON PROTEIN ALPHA CHAIN ; ligands: CFM ; X-RAY DIFFRACTION 1.900Å

e3k1aA2[A:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein alpha chain ; ligands: CFN ; X-RAY DIFFRACTION 2.23Å

e3k1aC2[C:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein alpha chain ; ligands: CFN ; X-RAY DIFFRACTION 2.23Å

e1l5hA2[A:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e1m1nC3[C:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e1m1nE3[E:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e1m1nG1[G:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e1m1yA1[A:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein alpha chain ; ligands: CFM ; X-RAY DIFFRACTION 3.2Å

e1m1yC1[C:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein alpha chain ; ligands: CFM ; X-RAY DIFFRACTION 3.2Å

e1m1yI2[I:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein alpha chain ; ligands: CFM ; X-RAY DIFFRACTION 3.2Å

e1m1yK3[K:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein alpha chain ; ligands: CFM ; X-RAY DIFFRACTION 3.2Å

e1m34A2[A:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase Molybdenum-Iron Protein alpha chain ; ligands: CFM ; X-RAY DIFFRACTION 2.3Å

e1m34C2[C:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase Molybdenum-Iron Protein alpha chain ; ligands: CFM ; X-RAY DIFFRACTION 2.3Å

e1m34I2[I:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase Molybdenum-Iron Protein alpha chain ; ligands: CFM ; X-RAY DIFFRACTION 2.3Å

e1m34K2[K:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase Molybdenum-Iron Protein alpha chain ; ligands: CFM ; X-RAY DIFFRACTION 2.3Å

e2minA1[A:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE MOLYBDENUM IRON PROTEIN ; ligands: CFM ; X-RAY DIFFRACTION 2.03Å

e2minC2[C:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE MOLYBDENUM IRON PROTEIN ; ligands: CFM ; X-RAY DIFFRACTION 2.03Å

e3minA2[A:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE MOLYBDENUM IRON PROTEIN ; ligands: CFM ; X-RAY DIFFRACTION 2.03Å

e3minC3[C:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE MOLYBDENUM IRON PROTEIN ; ligands: CFM ; X-RAY DIFFRACTION 2.03Å

e1n2cA3[A:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE MOLYBDENUM-IRON PROTEIN ; ligands: CFM ; X-RAY DIFFRACTION 3.0Å

e1n2cC2[C:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE MOLYBDENUM-IRON PROTEIN ; ligands: CFM ; X-RAY DIFFRACTION 3.0Å

e4nd8A3[A:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE MOLYBDENUM-IRON PROTEIN ALPHA CHAIN ; ligands: ICS ; X-RAY DIFFRACTION 2.0Å

e4nd8C2[C:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NITROGENASE MOLYBDENUM-IRON PROTEIN ALPHA CHAIN ; ligands: ICS ; X-RAY DIFFRACTION 2.0Å

e1qguA1[A:210-329] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN (NITROGENASE MOLYBDENUM IRON PROTEIN) ; ligands: CFM,EDO ; X-RAY DIFFRACTION 1.6Å

e1qguC2[C:210-329] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN (NITROGENASE MOLYBDENUM IRON PROTEIN) ; ligands: CFM,EDO ; X-RAY DIFFRACTION 1.6Å

e1qh1A2[A:210-329] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN (NITROGENASE MOLYBDENUM IRON PROTEIN) ; ligands: CFM,EDO ; X-RAY DIFFRACTION 1.60Å

e1qh1C1[C:210-329] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN (NITROGENASE MOLYBDENUM IRON PROTEIN) ; ligands: CFM,EDO ; X-RAY DIFFRACTION 1.60Å

e1qh8A3[A:210-329] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN (NITROGENASE MOLYBDENUM IRON PROTEIN) ; ligands: CFM,EDO ; X-RAY DIFFRACTION 1.60Å

e1qh8C3[C:210-329] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN (NITROGENASE MOLYBDENUM IRON PROTEIN) ; ligands: CFM,EDO ; X-RAY DIFFRACTION 1.60Å

e4tkuA3[A:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein alpha chain ; ligands: ICS,IMD ; X-RAY DIFFRACTION 1.43Å

e4tkuC3[C:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein alpha chain ; ligands: ICS,IMD ; X-RAY DIFFRACTION 1.43Å

e4tkvA2[A:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein alpha chain ; ligands: ICE,IMD ; X-RAY DIFFRACTION 1.50Å

e4tkvC1[C:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein alpha chain ; ligands: ICE,IMD ; X-RAY DIFFRACTION 1.50Å

e3u7qA3[A:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein alpha chain ; ligands: ICS,IMD ; X-RAY DIFFRACTION 1.00Å

e3u7qC1[C:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein alpha chain ; ligands: ICS,IMD ; X-RAY DIFFRACTION 1.00Å

e4wnaA3[A:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein alpha chain ; ligands: ICS,XE ; X-RAY DIFFRACTION 2.000Å

e4wnaC3[C:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein alpha chain ; ligands: ICS,XE ; X-RAY DIFFRACTION 2.000Å

e4wzaA3[A:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein alpha chain ; ligands: ICS ; X-RAY DIFFRACTION 1.8995Å

e4wzaC2[C:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein alpha chain ; ligands: ICS ; X-RAY DIFFRACTION 1.8995Å

e4wzbA1[A:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ligands: ICS ; X-RAY DIFFRACTION 2.300Å

e4wzbC3[C:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ligands: ICS ; X-RAY DIFFRACTION 2.300Å

e5cx1A3[A:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein alpha chain ; ligands: ICS ; X-RAY DIFFRACTION 1.7476Å

e5cx1C3[C:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein alpha chain ; ligands: ICS ; X-RAY DIFFRACTION 1.7476Å

e5cx1E2[E:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein alpha chain ; ligands: ICS ; X-RAY DIFFRACTION 1.7476Å

e5cx1G2[G:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein alpha chain ; ligands: ICS ; X-RAY DIFFRACTION 1.7476Å

e5cx1I1[I:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein alpha chain ; ligands: ICS ; X-RAY DIFFRACTION 1.7476Å

e5cx1K2[K:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein alpha chain ; ligands: ICS ; X-RAY DIFFRACTION 1.7476Å

e5cx1M3[M:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein alpha chain ; ligands: ICS ; X-RAY DIFFRACTION 1.7476Å

e5cx1O1[O:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein alpha chain ; ligands: ICS ; X-RAY DIFFRACTION 1.7476Å

e4xpiA1[A:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein alpha chain ; ligands: ICS ; X-RAY DIFFRACTION 1.97Å

e4xpiC1[C:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein alpha chain ; ligands: ICS ; X-RAY DIFFRACTION 1.97Å

e5bvgA3[A:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein alpha chain ; ligands: ICG,IMD ; X-RAY DIFFRACTION 1.60Å

e5bvgC2[C:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein alpha chain ; ligands: ICG,IMD ; X-RAY DIFFRACTION 1.60Å

e5bvhA2[A:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein alpha chain ; ligands: ICH,ICS,IMD ; X-RAY DIFFRACTION 1.53Å

e5bvhC3[C:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase molybdenum-iron protein alpha chain ; ligands: ICH,ICS,IMD ; X-RAY DIFFRACTION 1.53Å

e5kojA2[A:227-347] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase protein alpha chain ; ligands: ICS ; X-RAY DIFFRACTION 2.592Å

e5kojC2[C:227-347] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase protein alpha chain ; ligands: ICS ; X-RAY DIFFRACTION 2.592Å

e5kohA1[A:227-347] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase protein alpha chain ; ligands: ICS,MRD ; X-RAY DIFFRACTION 1.83Å

e5kohC1[C:227-347] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nitrogenase protein alpha chain ; ligands: ICS ; X-RAY DIFFRACTION 1.83Å

e5ijyA2[A:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH

e5ijyC1[C:211-331] Image Pymol Jmol Links: PDB, SCOP, CATH

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

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