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Protein Structures and Oligomeric States

Enter a protein name, UniProt accession or PDB ID. Name searches ask you to confirm the protein identity before related structures are queried.

Current Protein Identity：P24474 New Search
12PDB entries
12Biological assembly
21chain/assembly records
Main Difference Dimensions in This Set
Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics

Difference tags compare only the current result set; every original PDB and assembly record remains separate.

Related-Structure Differences

Each row represents one biological assembly in one PDB entry; multiple monomers of the same protein are listed separately.

PDB Entry Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Experimental Method Experimental Conditions Structure Quality
1BL9 CONFORMATIONAL CHANGES OCCURRING UPON REDUCTION IN NITRITE REDUCTASE FROM PSEUDOMONAS AERUGINOSA Deposited 1998-07-20 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 26–568（543 aa）
Chain B 26–568（543 aa）
Not recorded HEC HEME C × 2 DHE HEME D × 2 OH HYDROXIDE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 7.2；pH 7.2
Resolution 2.90 Å R-free 0.233
1GJQ Pseudomonas aeruginosa cd1 nitrite reductase reduced cyanide complex Deposited 2001-08-01 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 26–568（543 aa）
Chain B 26–568（543 aa）
Not recorded HEC HEME C × 2 DHE HEME D × 2 CYN CYANIDE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 8；2M NA/K2 PHOSPHATE, 50MM TRIS-HCL, PH 8.4
Resolution 2.70 Å R-free 0.247
1HZU DOMAIN SWING UPON HIS TO ALA MUTATION IN NITRITE REDUCTASE OF PSEUDOMONAS AERUGINOSA Deposited 2001-01-26 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 26–568（543 aa）
Mutation：H327A HEC HEME C × 2 DHE HEME D × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.5；293 K；PEG 5000, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 2.70 Å R-free 0.248
1HZV DOMAIN SWING UPON HIS TO ALA MUTATION IN NITRITE REDUCTASE OF PSEUDOMONAS AERUGINOSA Deposited 2001-01-26 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 26–568（543 aa）
Mutation：H369A HEC HEME C × 2 DHE HEME D × 2 NO NITRIC OXIDE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；PEG6000, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 2.83 Å R-free 0.296
1N15 FOLLOWING THE C HEME REDUCTION IN NITRITE REDUCTASE FROM PSEUDOMONAS AERUGINOSA Deposited 1998-09-04 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 26–568（543 aa）
Chain B 26–568（543 aa）
Not recorded HEC HEME C × 2 DHE HEME D × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 7.2；pH 7.2
Resolution 2.90 Å R-free 0.247
1N50 FOLLOWING THE C HEME REDUCTION IN NITRITE REDUCTASE FROM PSEUDOMONAS AERUGINOSA Deposited 1998-09-04 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 26–568（543 aa）
Chain B 26–568（543 aa）
Not recorded HEC HEME C × 2 DHE HEME D × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 7.2；pH 7.2
Resolution 2.90 Å R-free 0.246
1N90 FOLLOWING THE C HEME REDUCTION IN NITRITE REDUCTASE FROM PSEUDOMONAS AERUGINOSA Deposited 1998-09-04 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 26–568（543 aa）
Chain B 26–568（543 aa）
Not recorded HEC HEME C × 2 DHE HEME D × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 7.2；pH 7.2
Resolution 2.90 Å R-free 0.241
1NIR OXYDIZED NITRITE REDUCTASE FROM PSEUDOMONAS AERUGINOSA Deposited 1997-06-17 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 26–568（543 aa）
Chain B 26–568（543 aa）
Not recorded PO4 PHOSPHATE ION × 2 CL CHLORIDE ION × 2 OH HYDROXIDE ION × 2 HEC HEME C × 2 DHE HEME D × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 8.4；PROTEIN WAS CRYSTALLIZED FROM @M NA/K2 PHOSPHATE, 50MM TRIS-HCL, PH 8.4
Resolution 2.15 Å R-free 0.242
1NNO CONFORMATIONAL CHANGES OCCURRING UPON NO BINDING IN NITRITE REDUCTASE FROM PSEUDOMONAS AERUGINOSA Deposited 1998-07-20 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 26–568（543 aa）
Chain B 26–568（543 aa）
Not recorded HEC HEME C × 2 DHE HEME D × 2 NO NITRIC OXIDE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 7.2；pH 7.2
Resolution 2.65 Å R-free 0.243
5GUW Complex of Cytochrome cd1 Nitrite Reductase and Nitric Oxide Reductase in Denitrification of Pseudomonas aeruginosa Deposited 2016-08-31 Assembly 3 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain M 1–568（568 aa） Fragment：cd1 nitrite reductase
Chain N 1–568（568 aa） Fragment：cd1 nitrite reductase
Not recorded HEC HEME C × 2 DHE HEME D × 2 CL CHLORIDE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 6.5；293 K；0.1M MES, 0.2M CsCl, 12% PEG3350
Resolution 3.20 Å R-free 0.254
6TPO Conformation of cd1 nitrite reductase NirS without bound heme d1 Deposited 2019-12-13 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 26–568（543 aa）
Not recorded 1PE PENTAETHYLENE GLYCOL × 2 BU3 (R,R)-2,3-BUTANEDIOL × 2 HEC HEME C × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.2；293 K；0.1M Phosphate/citrate pH4.2 40% (v/v) PEG300
Resolution 1.86 Å R-free 0.194
6TSI cd1 nitrite reductase NirS with bound dihydro-heme d1 Deposited 2019-12-20 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 26–568（543 aa）
Chain B 26–568（543 aa）
Not recorded HEC HEME C × 2 DHE HEME D × 2 PO4 PHOSPHATE ION × 5 CL CHLORIDE ION × 5 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8；293 K；1.9M K2HPO4 0.1M Tris-HCl pH 8
Resolution 2.38 Å R-free 0.280

This page presents structural evidence recorded in PDB/mmCIF.“No recorded non-water small molecule” does not prove that the experimental sample was ligand-free; experimental conditions belong to the PDB experiment, while ligands and copy counts are shown for each biological assembly.