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1opd

HISTIDINE-CONTAINING PROTEIN (HPR), MUTANT WITH SER 46 REPLACED BY ASP (S46D)

Method: X-RAY DIFFRACTION Dmax: 44.1 Å Quality: GOOD
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1. Protein Identity and Related Structures Protein Identity & Related Structures

HISTIDINE-CONTAINING PROTEIN

Escherichia coli

UniProt P0AA04

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 monomer Monomer Protein × 1 PDB declaration: monomeric（1） Consistent with protein copy count Chain A； UniProt 1–85 Mutation：S46D SO4 SULFATE ION × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 1.50 Å R-free 0.234

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 1OPD Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
1CM2 STRUCTURE OF HIS15ASP HPR AFTER HYDROLYSIS OF RINGED SPECIES. Deposited 1999-05-13 Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 1–85（85 aa）
Mutation：HIS15ASP No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 4.6；pH 4.6
Resolution 1.80 Å
1CM3 HIS15ASP HPR FROM E. COLI Deposited 1999-05-13 Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 1–85（85 aa）
Mutation：HIS15ASP No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 5.4；pH 5.4
Resolution 1.60 Å
1GGR COMPLEX OF ENZYME IIAGLC AND THE HISTIDINE-CONTAINING PHOSPHOCARRIER PROTEIN HPR FROM ESCHERICHIA COLI NMR, RESTRAINED REGULARIZED MEAN STRUCTURE Deposited 2000-09-18 Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 1–85（85 aa）
Not recorded PO3 PHOSPHITE ION × 1 SOLUTION NMR
NMR measurement conditions pH 7.1；308 K；Ionic strength (raw mmCIF value) 10 mM SODIUM PHOSPHATE
Resolution not provided
1HDN THE HIGH-RESOLUTION STRUCTURE OF THE HISTIDINE-CONTAINING PHOSPHOCARRIER PROTEIN HPR FROM ESCHERICHIA COLI DETERMINED BY RESTRAINED MOLECULAR DYNAMICS FROM NMR NUCLEAR OVERHAUSER EFFECT DATA Deposited 1994-02-10 Different mutation/modification Different ligand/ion Different experimental method Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 1–85（85 aa）
Not recorded No recorded non-water small molecule SOLUTION NMR mmCIF provides none of the parsed conditions Resolution not provided
1J6T COMPLEX OF ENZYME IIAMTL AND THE HISTIDINE-CONTAINING PHOSPHOCARRIER PROTEIN HPR FROM ESCHERICHIA COLI NMR, RESTRAINED REGULARIZED MEAN STRUCTURE Deposited 2002-08-14 Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 1–85（85 aa）
Not recorded PO3 PHOSPHITE ION × 1 SOLUTION NMR
NMR measurement conditions pH 7；308 K；Ionic strength (raw mmCIF value) 10 mM SODIUM PHOSPHATE
Resolution not provided
1PFH THE PHOSPHORYLATED FORM OF THE HISTIDINE-CONTAINING PHOSPHOCARRIER PROTEIN HPR Deposited 1995-08-18 Different mutation/modification Different ligand/ion Different experimental method Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 1–85（85 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) No recorded non-water small molecule SOLUTION NMR mmCIF provides none of the parsed conditions Resolution not provided
1POH THE 2.0 ANGSTROMS RESOLUTION STRUCTURE OF ESCHERICHIA COLI HISTIDINE-CONTAINING PHOSPHOCARRIER PROTEIN HPR: A REDETERMINATION Deposited 1993-10-19 Different mutation/modification Different ligand/ion Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 1–85（85 aa）
Not recorded SO4 SULFATE ION × 2 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.00 Å
1VRC Complex of enzyme IIAmannose and the histidine-containing phosphocarrier protein HPr from escherichia coli nmr, restrained regularized mean structure Deposited 2005-02-21 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric
Chain C 1–85（85 aa）
Chain D 1–85（85 aa）
Not recorded PO3 PHOSPHITE ION × 2 SOLUTION NMR
NMR measurement conditions pH 6.5；308 K；Ionic strength (raw mmCIF value) 40 mM SODIUM PHOSPHATE
Resolution not provided
2JEL JEL42 FAB/HPR COMPLEX Deposited 1998-02-24 Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain P 1–85（85 aa）
Not recorded SO4 SULFATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 5.8；pH 5.8
Resolution 2.50 Å R-free 0.280
2LRK Solution Structures of the IIA(Chitobiose)-HPr complex of the N,N'-Diacetylchitobiose Deposited 2012-04-06 Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric
Chain D 1–85（85 aa）
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 7.4；308 K；Ionic strength (raw mmCIF value) 0.02；Pressure ambient
NMR sample composition 1.0 mM [U-100% 15N] HPr/IIAChb complex, 1.0 mM [U-100% 13C; U-100% 15N] HPR/IIAChb complex, 1.0 mM [U-100% 13C; U-100% 15N] HPR/IIAChb complex, 90% H2O/10% D2O | 90% H2O/10% D2O
NMR sample composition 1.0 mM [U-100% 15N] HPr/IIAChb complex, 1.0 mM [U-100% 13C; U-100% 15N] HPR/IIAChb complex, 1.0 mM [U-100% 13C; U-100% 15N] HPR/IIAChb complex, 100% D2O | 100% D2O
Resolution not provided
2LRL Solution Structures of the IIA(Chitobiose)-HPr complex of the N,N'-Diacetylchitobiose Branch of the Escherichia coli Phosphotransferase System Deposited 2012-04-06 Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric
Chain D 1–85（85 aa）
Not recorded PO3 PHOSPHITE ION × 1 SOLUTION NMR
NMR measurement conditions pH 7.4；308 K；Ionic strength (raw mmCIF value) 0.02；Pressure ambient
NMR sample composition 1.0 mM [U-99% 13C; U-99% 15N] protein, 1.0 mM D2O, 95% H2O/5% D2O | 95% H2O/5% D2O
Resolution not provided
3CCD 1.0 A Structure of Post-Succinimide His15Asp HPr Deposited 2008-02-25 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric
Chain A 1–85（85 aa）
Chain B 1–85（85 aa）
Mutation：His15Asp Mutation：His15Asp SO4 SULFATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 4.4；287 K；0.1M citrate phosphate buffer, 25% saturated ammonium sulphate, pH 4.4, VAPOR DIFFUSION, HANGING DROP, temperature 287K
Resolution 1.00 Å R-free 0.205
3CCD 1.0 A Structure of Post-Succinimide His15Asp HPr Deposited 2008-02-25 Different mutation/modification Different experimental conditions Different structure-quality metrics Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 1–85（85 aa）
Mutation：His15Asp SO4 SULFATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 4.4；287 K；0.1M citrate phosphate buffer, 25% saturated ammonium sulphate, pH 4.4, VAPOR DIFFUSION, HANGING DROP, temperature 287K
Resolution 1.00 Å R-free 0.205
3CCD 1.0 A Structure of Post-Succinimide His15Asp HPr Deposited 2008-02-25 Different mutation/modification Different experimental conditions Different structure-quality metrics Assembly 3 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain B 1–85（85 aa）
Mutation：His15Asp SO4 SULFATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 4.4；287 K；0.1M citrate phosphate buffer, 25% saturated ammonium sulphate, pH 4.4, VAPOR DIFFUSION, HANGING DROP, temperature 287K
Resolution 1.00 Å R-free 0.205
3EZA COMPLEX OF THE AMINO TERMINAL DOMAIN OF ENZYME I AND THE HISTIDINE-CONTAINING PHOSPHOCARRIER PROTEIN HPR FROM ESCHERICHIA COLI NMR, RESTRAINED REGULARIZED MEAN STRUCTURE Deposited 1998-11-03 Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 1–85（85 aa）
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 7；313 K
Resolution not provided
3EZB COMPLEX OF THE AMINO TERMINAL DOMAIN OF ENZYME I AND THE HISTIDINE-CONTAINING PHOSPHOCARRIER PROTEIN HPR FROM ESCHERICHIA COLI Deposited 1998-11-03 Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 1–85（85 aa）
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 7；313 K
Resolution not provided
3EZE COMPLEX OF THE AMINO TERMINAL DOMAIN OF ENZYME I AND THE HISTIDINE-CONTAINING PHOSPHOCARRIER PROTEIN HPR FROM ESCHERICHIA COLI NMR, RESTRAINED REGULARIZED MEAN STRUCTURE Deposited 1998-11-04 Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 1–85（85 aa）
Not recorded PO3 PHOSPHITE ION × 1 SOLUTION NMR
NMR measurement conditions pH 7；313 K
Resolution not provided
4XWJ Histidine-containing phosphocarrier protein (HPr) and antisigma factor Rsd complex Deposited 2015-01-29 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 B 1–85（85 aa）
Mutation：F2S No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；287.15 K；0.1 M NaCl, 0.1 M HEPES (pH 7.5), 1.6 M ammonium sulfate
Resolution 2.10 Å R-free 0.299
5YA0 Crystal structure of LsrK and HPr complex Deposited 2017-08-29 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 C 1–85（85 aa）
Not recorded HEZ HEXANE-1,6-DIOL × 1 PO4 PHOSPHATE ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 4.2；293 K；5~20% (v/v) PEG-400, 0.1 M sodium phosphate-citrate (pH 4.2), and 0.2 M lithium sulfate
Resolution 3.00 Å R-free 0.239
5YA0 Crystal structure of LsrK and HPr complex Deposited 2017-08-29 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 D 1–85（85 aa）
Not recorded HEZ HEXANE-1,6-DIOL × 1 PO4 PHOSPHATE ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 4.2；293 K；5~20% (v/v) PEG-400, 0.1 M sodium phosphate-citrate (pH 4.2), and 0.2 M lithium sulfate
Resolution 3.00 Å R-free 0.239
5YA1 crystal structure of LsrK-HPr complex with ATP Deposited 2017-08-29 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 C 1–85（85 aa）
Not recorded ATP ADENOSINE-5'-TRIPHOSPHATE × 1 HEZ HEXANE-1,6-DIOL × 2 PO4 PHOSPHATE ION × 5 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；5~20% (v/v) PEG-400, 0.1M sodium phosphate-citrate (pH 4.2), 0.2M lithium sulfate
Resolution 2.70 Å R-free 0.254
5YA1 crystal structure of LsrK-HPr complex with ATP Deposited 2017-08-29 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 D 1–85（85 aa）
Not recorded ATP ADENOSINE-5'-TRIPHOSPHATE × 1 HEZ HEXANE-1,6-DIOL × 2 PO4 PHOSPHATE ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；5~20% (v/v) PEG-400, 0.1M sodium phosphate-citrate (pH 4.2), 0.2M lithium sulfate
Resolution 2.70 Å R-free 0.254
5YA2 Crystal structure of LsrK-HPr complex with ADP Deposited 2017-08-30 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 C 1–85（85 aa）
Not recorded ADP ADENOSINE-5'-DIPHOSPHATE × 1 HEZ HEXANE-1,6-DIOL × 1 PO4 PHOSPHATE ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；5~20%(v/v) PEG-400, 0.1M sodium phosphate-citrate (pH 4.2), 0.2M lithium sulfate
Resolution 2.70 Å R-free 0.255
5YA2 Crystal structure of LsrK-HPr complex with ADP Deposited 2017-08-30 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 D 1–85（85 aa）
Not recorded ADP ADENOSINE-5'-DIPHOSPHATE × 1 HEZ HEXANE-1,6-DIOL × 1 PO4 PHOSPHATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；5~20%(v/v) PEG-400, 0.1M sodium phosphate-citrate (pH 4.2), 0.2M lithium sulfate
Resolution 2.70 Å R-free 0.255
6KCR X-ray structure of the MtlR-HPr complex from Escherichia coli Deposited 2019-06-28 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 B 1–85（85 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；289 K；100 mM Tris-HCl (pH 8.5), 200 mM Mg-acetate, 15% polyethylene glycol (PEG) 8000
Resolution 3.50 Å R-free 0.260
6KCR X-ray structure of the MtlR-HPr complex from Escherichia coli Deposited 2019-06-28 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 D 1–85（85 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；289 K；100 mM Tris-HCl (pH 8.5), 200 mM Mg-acetate, 15% polyethylene glycol (PEG) 8000
Resolution 3.50 Å R-free 0.260
9S8B Structure of glycogen phosphorylase - dimeric form - in complex with HPr from Escherichia coli Deposited 2025-08-05 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric
Chain C 1–85（85 aa）
Chain D 1–85（85 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.79 Å
9S8K Structure of glycogen phosphorylase - tetrameric form - in complex with HPr from Escherichia coli Deposited 2025-08-05 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain E 1–85（85 aa）
Chain F 1–85（85 aa）
Chain G 1–85（85 aa）
Chain H 1–85（85 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.06 Å

22 other PDB entries and 28 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name PTHP_ECOLI
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–85； UniProt 1–85

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 1opd

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1opd
Deposition date deposition_date1996-08-01
Structure title titleHISTIDINE-CONTAINING PROTEIN (HPR), MUTANT WITH SER 46 REPLACED BY ASP (S46D)
Keywords keywordsPHOSPHOTRANSFERASE, HISTIDINE; PHOSPHOTRANSFERASE
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_guinier13.46 Å
Radius of gyration Rg (electron density) rg_electron11.84 Å
Forward intensity I(0) i01910360.00
Molecular weight molecular_weight9240.0 kDa
Excluded volume excluded_volume11531 ų
Envelope volume envelope_volume12868 ų
Hydration-shell volume shell_volume9444 ų
Envelope diameter envelope_diameter41.8 Å
Shell Rg shell_rg17.40 Å
Envelope Rg envelope_rg12.09 Å
Shape Rg shape_rg11.83 Å
Total Rg total_rg13.25 Å
Total atoms total_atoms647
Residues n_residues85
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 dmax44.1 Å
Rg (real space) rg_real13.37 Å
Rg uncertainty (real space) rg_real_error0.29 Å
I(0) (real space) i0_real1.9100e+06
I(0) uncertainty (real space) i0_real_error2.0510e+04
Rg (reciprocal space) rg_reciprocal13.38 Å
I(0) (reciprocal space) i0_reciprocal1910000.0000
Solution quality estimate total_estimate0.8776
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary17.9 Å
Skewness Skewness skewness0.128
Kurtosis Kurtosis kurtosis-0.297
Angular range angular_range— – 0.5000 Å−1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha312000.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.809; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.999; Smooth: 0.977
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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_idd1opda_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.94 — HPr-like
Superfamily Superfamily superfamilyd.94.1 — HPr-like
Family Family familyd.94.1.1 — HPr-like

CATH v4.4 (1 domains)

Domain ID domain_id1opdA00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1340 — Histidine-containing Protein; Chain: A;
Homologous superfamily homologous superfamily10 — HPr-like
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8. Citations (2)

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9. Files and Curves (10)