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1thf

CYCLASE SUBUNIT OF IMIDAZOLEGLYCEROLPHOSPHATE SYNTHASE FROM THERMOTOGA MARITIMA

Method: X-RAY DIFFRACTION Dmax: 57.9 Å Quality: GOOD
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1. Protein Identity and Related Structures Protein Identity & Related Structures

HISF PROTEIN

Thermotoga maritima

UniProt Q9X0C6

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein homooligomer Homooligomer Protein × 2 PDB declaration: dimeric（2） Consistent with protein copy count Chain D； UniProt 1–253 Fragment：CYCLASE SUBUNIT PO4 PHOSPHATE ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions：pH 4.8；pH 4.80 Resolution 1.45 Å R-free 0.214

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

Other PDB Difference from Current Entry 1THF Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
1GPW Structural evidence for ammonia tunneling across the (beta/alpha)8 barrel of the imidazole glycerol phosphate synthase bienzyme complex. Deposited 2001-11-12 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–253（253 aa）
Mutation：YES PO4 PHOSPHATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 8；PROTEIN SOLUTION: 10 MM TRIS (PH 8.0), 1 MM DTT, 1 MM EDTA, 28.8 MG/ML PROTEIN COMPLEX. PRECIPITATE SOLUTION: 15 %[W/V] PEG-8000, 0.9 M AMMONIUM NITRATE, 0.1 M HEPES/HCL (PH 8.5), 10 MM DTT, 5% [V/V] MPD
Resolution 2.40 Å R-free 0.290
1GPW Structural evidence for ammonia tunneling across the (beta/alpha)8 barrel of the imidazole glycerol phosphate synthase bienzyme complex. Deposited 2001-11-12 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain C 1–253（253 aa）
Mutation：YES PO4 PHOSPHATE ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions pH 8；PROTEIN SOLUTION: 10 MM TRIS (PH 8.0), 1 MM DTT, 1 MM EDTA, 28.8 MG/ML PROTEIN COMPLEX. PRECIPITATE SOLUTION: 15 %[W/V] PEG-8000, 0.9 M AMMONIUM NITRATE, 0.1 M HEPES/HCL (PH 8.5), 10 MM DTT, 5% [V/V] MPD
Resolution 2.40 Å R-free 0.290
1GPW Structural evidence for ammonia tunneling across the (beta/alpha)8 barrel of the imidazole glycerol phosphate synthase bienzyme complex. Deposited 2001-11-12 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain E 1–253（253 aa）
Mutation：YES PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 8；PROTEIN SOLUTION: 10 MM TRIS (PH 8.0), 1 MM DTT, 1 MM EDTA, 28.8 MG/ML PROTEIN COMPLEX. PRECIPITATE SOLUTION: 15 %[W/V] PEG-8000, 0.9 M AMMONIUM NITRATE, 0.1 M HEPES/HCL (PH 8.5), 10 MM DTT, 5% [V/V] MPD
Resolution 2.40 Å R-free 0.290
1VH7 Crystal structure of a cyclase subunit of imidazolglycerolphosphate synthase Deposited 2003-12-01 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–253（252 aa）
Not recorded PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.90 Å R-free 0.224
2A0N Crystal structure of Imidazole glycerol phosphate synthase subunit hisF (EC 4.1.3.-) (tm1036) from Thermotoga maritima at 1.64 A resolution Deposited 2005-06-16 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 1–253（253 aa）
Not recorded IOD IODIDE ION × 7 PO4 PHOSPHATE ION × 1 UNL UNKNOWN LIGAND × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP, NANODROP；pH 6.9；273 K；0.2None Nal, 20.0% PEG-3350, No Buffer, pH 6.9, VAPOR DIFFUSION, SITTING DROP, NANODROP, temperature 273K
Resolution 1.64 Å R-free 0.192
2LLE Computational design of an eight-stranded (beta/alpha)-barrel from fragments of different folds Deposited 2011-11-07 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric
Chain A 103–247（145 aa）
Mutation：R4I, D78G, I95L, L201A,V213G No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 7.5；313 K；Ionic strength (raw mmCIF value) 350；Pressure ambient
NMR sample composition 0.5 mM [U-100% 15N] CheYHisF-sfr_RM, 50 mM potassium phosphate, 300 mM potassium chloride, 90% H2O/10% D2O | 90% H2O/10% D2O
NMR sample composition 0.5 mM [U-100% 13C; U-100% 15N] CheYHisF-sfr_RM, 50 mM potassium phosphate, 300 mM potassium chloride, 90% H2O/10% D2O | 90% H2O/10% D2O
Resolution not provided
2W6R Crystal structure of an artificial (ba)8-barrel protein designed from identical half barrels Deposited 2008-12-18 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 123–245（123 aa） Fragment：RESIDUES 123-245 AND 123-253
Chain A 123–253（131 aa） Fragment：RESIDUES 123-245 AND 123-253
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 8；0.1 M TRIS-HCL PH 8.0, 12% W/V PEG 8000
Resolution 2.10 Å R-free 0.285
2WJZ Crystal structure of (HisH) K181A Y138A mutant of imidazoleglycerolphosphate synthase (HisH HisF) which displays constitutive glutaminase activity Deposited 2009-06-02 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–253（253 aa）
Not recorded PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 8.5；PEG8K 10-12%, 100 MM HEPES PH = 8.5 22.5MM NH4NO3 / NH4AC 5% (V/V) MPD 10 MM DTT 20 MM L-GLN PROT. CONC.= 12 MG/ML
Resolution 2.60 Å R-free 0.218
2WJZ Crystal structure of (HisH) K181A Y138A mutant of imidazoleglycerolphosphate synthase (HisH HisF) which displays constitutive glutaminase activity Deposited 2009-06-02 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain E 1–253（253 aa）
Not recorded PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 8.5；PEG8K 10-12%, 100 MM HEPES PH = 8.5 22.5MM NH4NO3 / NH4AC 5% (V/V) MPD 10 MM DTT 20 MM L-GLN PROT. CONC.= 12 MG/ML
Resolution 2.60 Å R-free 0.218
2WJZ Crystal structure of (HisH) K181A Y138A mutant of imidazoleglycerolphosphate synthase (HisH HisF) which displays constitutive glutaminase activity Deposited 2009-06-02 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain C 1–253（253 aa）
Not recorded PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 8.5；PEG8K 10-12%, 100 MM HEPES PH = 8.5 22.5MM NH4NO3 / NH4AC 5% (V/V) MPD 10 MM DTT 20 MM L-GLN PROT. CONC.= 12 MG/ML
Resolution 2.60 Å R-free 0.218
3OG3 Crystal structure of an artificial thermostable (BA)8-barrel protein from identical half barrels Deposited 2010-08-16 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 123–219（97 aa）
Chain A 99–219（121 aa）
Chain A 99–122（24 aa）
Mutation：A3R, Y22H, Y143H Mutation：A3R, Y22H, Y143H Mutation：A3R, Y22H, Y143H SO4 SULFATE ION × 2 CL CHLORIDE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；293 K；0.2 M ammonium sulfate, 18% PEG 4000, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 2.08 Å R-free 0.196
3ZR4 STRUCTURAL EVIDENCE FOR AMMONIA TUNNELING ACROSS THE (BETA-ALPHA)8 BARREL OF THE IMIDAZOLE GLYCEROL PHOSPHATE SYNTHASE BIENZYME COMPLEX Deposited 2011-06-13 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–253（253 aa）
Not recorded GOL GLYCEROL × 3 GLN GLUTAMINE × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.41 Å R-free 0.258
3ZR4 STRUCTURAL EVIDENCE FOR AMMONIA TUNNELING ACROSS THE (BETA-ALPHA)8 BARREL OF THE IMIDAZOLE GLYCEROL PHOSPHATE SYNTHASE BIENZYME COMPLEX Deposited 2011-06-13 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain C 1–253（253 aa）
Not recorded GOL GLYCEROL × 2 GLN GLUTAMINE × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.41 Å R-free 0.258
3ZR4 STRUCTURAL EVIDENCE FOR AMMONIA TUNNELING ACROSS THE (BETA-ALPHA)8 BARREL OF THE IMIDAZOLE GLYCEROL PHOSPHATE SYNTHASE BIENZYME COMPLEX Deposited 2011-06-13 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain E 1–253（253 aa）
Not recorded GOL GLYCEROL × 2 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.41 Å R-free 0.258
4EWN Structure of HisF-D130V+D176V with bound rCdRP Deposited 2012-04-27 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain D 1–253（253 aa）
Mutation：D130V-D176V 0VR 1-(O-carboxy-phenylamino)-1-deoxy-D-ribulose-5-phosphate × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.90 Å R-free 0.236
4FX7 Structure of Sym2 D9V+D55V+D130V+D176V Deposited 2012-07-02 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 123–219（97 aa）
Chain A 99–219（121 aa）
Chain A 99–122（24 aa）
Mutation：A3R, D9V, Y22H, D55V, D130V, Y143H, D176V Mutation：A3R, D9V, Y22H, D55V, D130V, Y143H, D176V Mutation：A3R, D9V, Y22H, D55V, D130V, Y143H, D176V PI HYDROGENPHOSPHATE ION × 2 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.08 Å R-free 0.233
4FX7 Structure of Sym2 D9V+D55V+D130V+D176V Deposited 2012-07-02 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain B 123–219（97 aa）
Chain B 99–219（121 aa）
Chain B 99–122（24 aa）
Mutation：A3R, D9V, Y22H, D55V, D130V, Y143H, D176V Mutation：A3R, D9V, Y22H, D55V, D130V, Y143H, D176V Mutation：A3R, D9V, Y22H, D55V, D130V, Y143H, D176V PI HYDROGENPHOSPHATE ION × 2 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.08 Å R-free 0.233
4FX7 Structure of Sym2 D9V+D55V+D130V+D176V Deposited 2012-07-02 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 3 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain C 123–219（97 aa）
Chain C 99–219（121 aa）
Chain C 99–122（24 aa）
Mutation：A3R, D9V, Y22H, D55V, D130V, Y143H, D176V Mutation：A3R, D9V, Y22H, D55V, D130V, Y143H, D176V Mutation：A3R, D9V, Y22H, D55V, D130V, Y143H, D176V PI HYDROGENPHOSPHATE ION × 2 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.08 Å R-free 0.233
4FX7 Structure of Sym2 D9V+D55V+D130V+D176V Deposited 2012-07-02 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 4 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain D 123–219（97 aa）
Chain D 99–219（121 aa）
Chain D 99–122（24 aa）
Mutation：A3R, D9V, Y22H, D55V, D130V, Y143H, D176V Mutation：A3R, D9V, Y22H, D55V, D130V, Y143H, D176V Mutation：A3R, D9V, Y22H, D55V, D130V, Y143H, D176V PI HYDROGENPHOSPHATE ION × 2 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.08 Å R-free 0.233
4J9J Structure of designed HisF Deposited 2013-02-16 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 97–216（120 aa） Fragment：SEE REMARK 999
Chain A 96–220（125 aa） Fragment：SEE REMARK 999
Mutation：S6I,V45A,T76A,D81G,D156G,D202V Mutation：S6I,V45A,T76A,D81G,D156G,D202V No recorded non-water small molecule X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.30 Å R-free 0.297
5TQL Crystal structure of TIM-Barrel protein HisF-C9S Deposited 2016-10-24 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–253（252 aa）
Mutation：C9S PO4 PHOSPHATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；293 K；0.1 M Tris, pH 7.5, 25% PEG 3350
Resolution 1.90 Å R-free 0.220
5TQL Crystal structure of TIM-Barrel protein HisF-C9S Deposited 2016-10-24 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain B 2–253（252 aa）
Mutation：C9S PO4 PHOSPHATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；293 K；0.1 M Tris, pH 7.5, 25% PEG 3350
Resolution 1.90 Å R-free 0.220
6RTZ Light-Regulation of Imidazole Glycerol Phosphate Synthase by Interference with its Allosteric Machinery through Photo-Sensitive Unnatural Amino Acids Deposited 2019-05-27 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–253（253 aa）
Not recorded PO4 PHOSPHATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；277 K；PEG
Resolution 2.87 Å R-free 0.336
6RU0 Light-Regulation of Imidazole Glycerol Phosphate Synthase by Interference with its Allosteric Machinery through Photo-Sensitive Unnatural Amino Acids Deposited 2019-05-27 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–253（253 aa）
Not recorded PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；277 K；PEG
Resolution 2.65 Å R-free 0.272
6RU0 Light-Regulation of Imidazole Glycerol Phosphate Synthase by Interference with its Allosteric Machinery through Photo-Sensitive Unnatural Amino Acids Deposited 2019-05-27 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain C 1–253（253 aa）
Not recorded PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；277 K；PEG
Resolution 2.65 Å R-free 0.272
6RU0 Light-Regulation of Imidazole Glycerol Phosphate Synthase by Interference with its Allosteric Machinery through Photo-Sensitive Unnatural Amino Acids Deposited 2019-05-27 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain E 1–253（253 aa）
Not recorded PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；277 K；PEG
Resolution 2.65 Å R-free 0.272
6VDG Crystal Structure of the Y182A HisF Mutant from Thermotoga maritima Deposited 2019-12-27 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 1–253（253 aa）
Mutation：Y182A PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8；291.15 K；23% PEG 3350, 20mM Potassium Phosphate
Resolution 2.79 Å R-free 0.263
6YMU Imidazole Glycerol Phosphate Synthase Deposited 2020-04-09 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 1–253（253 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；295 K；PEG
Resolution 2.11 Å R-free 0.250
6YMU Imidazole Glycerol Phosphate Synthase Deposited 2020-04-09 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 3 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain C 1–253（253 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；295 K；PEG
Resolution 2.11 Å R-free 0.250
6YMU Imidazole Glycerol Phosphate Synthase Deposited 2020-04-09 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 5 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain E 1–253（253 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；295 K；PEG
Resolution 2.11 Å R-free 0.250
7AC8 Molecular basis for the unique allosteric activation mechanism of the heterodimeric imidazole glycerol phosphate synthase complex. Deposited 2020-09-10 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 1–253（253 aa）
Not recorded GUO [(2R,3S,4R,5R)-5-[4-aminocarbonyl-5-[(E)-[[(2R,3R,4S,5R)-3,4-bis(oxidanyl)-5-(phosphonooxymethyl)oxolan-2-yl]amino]methylideneamino]imidazol-1-yl]-3,4-bis(oxidanyl)oxolan-2-yl]methyl dihydrogen phosphate × 1 GLN GLUTAMINE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；291.15 K；Pentaerythritol (5/4 PO/OH), sodium thiocyanate, HEPES, L-glutamine, ProFAR
Resolution 2.06 Å R-free 0.186
7AC8 Molecular basis for the unique allosteric activation mechanism of the heterodimeric imidazole glycerol phosphate synthase complex. Deposited 2020-09-10 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain C 1–253（253 aa）
Not recorded GLN GLUTAMINE × 1 PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；291.15 K；Pentaerythritol (5/4 PO/OH), sodium thiocyanate, HEPES, L-glutamine, ProFAR
Resolution 2.06 Å R-free 0.186
7AC8 Molecular basis for the unique allosteric activation mechanism of the heterodimeric imidazole glycerol phosphate synthase complex. Deposited 2020-09-10 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain E 1–253（253 aa）
Not recorded GUO [(2R,3S,4R,5R)-5-[4-aminocarbonyl-5-[(E)-[[(2R,3R,4S,5R)-3,4-bis(oxidanyl)-5-(phosphonooxymethyl)oxolan-2-yl]amino]methylideneamino]imidazol-1-yl]-3,4-bis(oxidanyl)oxolan-2-yl]methyl dihydrogen phosphate × 1 GLN GLUTAMINE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；291.15 K；Pentaerythritol (5/4 PO/OH), sodium thiocyanate, HEPES, L-glutamine, ProFAR
Resolution 2.06 Å R-free 0.186
7QC3 HisF from T. maritima Deposited 2021-11-22 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–253（252 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.3；292 K；100 mM TRIS, 23% PEG 3350
Resolution 1.65 Å R-free 0.157
7QC6 HisF_C9A_L50H_I52H mutant (apo) from T. maritima Deposited 2021-11-22 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–253（252 aa）
Mutation：C9A, L50H, I52H DTT 2,3-DIHYDROXY-1,4-DITHIOBUTANE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.3；292 K；100 mM TRIS, 23% PEG 3350
Resolution 2.10 Å R-free 0.216
7QC7 HisF-C9A-D11E-V33A_L50H_I52H mutant (apo) from T. maritima Deposited 2021-11-22 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–253（252 aa）
Mutation：C9A, D11E, V33A, L50H, I52H MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.3；292 K；100 mM TRIS, 23% PEG 3350
Resolution 1.60 Å R-free 0.159
7QC8 HisF-C9A-D11E-V33A_L50H_I52H mutant in complex with Zn(II) from T. maritima Deposited 2021-11-22 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–253（252 aa）
Mutation：C9A, D11E, V33A, L50H, I52H ZN ZINC ION × 1 SO4 SULFATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.3；292 K；100 mM TRIS, 23% PEG 3350
Resolution 1.80 Å R-free 0.159
7QC9 HisF-C9A-D11E-V33A_L50H_I52H mutant in complex with Ni(II) from T. maritima Deposited 2021-11-22 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–253（252 aa）
Mutation：C9A, D11E, L50H, I52H NI NICKEL (II) ION × 1 SO4 SULFATE ION × 1 EDO 1,2-ETHANEDIOL × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.3；292 K；100 mM TRIS, 23% PEG 3350
Resolution 1.80 Å R-free 0.189
8S8R An induced-fit motion of a mobile loop Deposited 2024-03-07 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain D 1–253（253 aa）
Not recorded PO4 PHOSPHATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；277 K；ammonium phosphate
Resolution 1.20 Å R-free 0.208
8S8S An induced-fit motion of a mobile loop Deposited 2024-03-07 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–251（250 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；277 K；ammonium phosphate
Resolution 1.31 Å R-free 0.209

24 other PDB entries and 40 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name HIS6_THEMA
Isoform —
PDB entities 1
Chains and sequence ranges Author chain D； PDBConstruct 1–253； UniProt 1–253

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

SAXS scattering curve SAXS Profile

SAXS profile for 1thf

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1thf
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1thf
Deposition date deposition_date1998-09-17
Structure title titleCYCLASE SUBUNIT OF IMIDAZOLEGLYCEROLPHOSPHATE SYNTHASE FROM THERMOTOGA MARITIMA
Keywords keywordsTHERMOPHILE, TIM-BARREL, HISTIDINE BIOSYNTHESIS, LYASE, PHOSPHATE-BINDING SITES; LYASE
Experimental Method methodX-RAY DIFFRACTION
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3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier18.68 Å
Radius of gyration Rg (electron density) rg_electron17.46 Å
Forward intensity I(0) i013430100.00
Molecular weight molecular_weight27870.0 kDa
Excluded volume excluded_volume35091 ų
Envelope volume envelope_volume39729 ų
Hydration-shell volume shell_volume18704 ų
Envelope diameter envelope_diameter58.9 Å
Shell Rg shell_rg23.94 Å
Envelope Rg envelope_rg17.63 Å
Shape Rg shape_rg17.46 Å
Total Rg total_rg18.46 Å
Total atoms total_atoms1959
Residues n_residues253
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 Å−1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3
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4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax57.9 Å
Rg (real space) rg_real18.54 Å
Rg uncertainty (real space) rg_real_error0.24 Å
I(0) (real space) i0_real1.3430e+07
I(0) uncertainty (real space) i0_real_error1.6240e+05
Rg (reciprocal space) rg_reciprocal18.56 Å
I(0) (reciprocal space) i0_reciprocal13430000.0000
Solution quality estimate total_estimate0.8948
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary23.8 Å
Skewness Skewness skewness0.081
Kurtosis Kurtosis kurtosis-0.484
Angular range angular_range— – 0.4250 Å−1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha3233000.0000
Real-space data points n_real_points74
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.891; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.983; Smooth: 0.973
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5. Crystallography and Experiment 5. Crystallography & Experiment

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6. Entities and Polymers Entities & Polymers (3)

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7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1thfd_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamilyc.1.2 — Ribulose-phoshate binding barrel
Family Family familyc.1.2.1 — Histidine biosynthesis enzymes

CATH v4.4 (1 domains)

Domain ID domain_id1thfD00
Class class3 — Alpha Beta
Architecture architecture20 — Alpha-Beta Barrel
Topology topology20 — TIM Barrel
Homologous superfamily homologous superfamily70 — Aldolase class I
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8. Citations (2)

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9. Files and Curves (10)