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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：Q5YD59 New Search
8PDB entries
11Biological assembly
11chain/assembly records
Main Difference Dimensions in This Set
Different mutation/modification Different assembly state Different ligand/ion Different experimental method 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
2CM4 The complement inhibitor OmCI in complex with ricinoleic acid Deposited 2006-05-04 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 19–168（150 aa）
Mutation：YES ACT ACETATE ION × 1 RCL RICINOLEIC ACID × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 4.6；30% PEG 4000 0.1 M SODIUM ACETATE PH 4.6 0.2 M AMMONIUM ACETATE
Resolution 1.90 Å
2CM9 The complement inhibitor OmCI in complex with ricinoleic acid Deposited 2006-05-04 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 19–168（150 aa）
Mutation：YES RCL RICINOLEIC ACID × 1 ACT ACETATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 4.6；30% PEG 4000 0.1 M SODIUM ACETATE PH 4.6 0.2 M AMMONIUM ACETATE
Resolution 2.30 Å
3ZUI OMCI in complex with palmitoleic acid Deposited 2011-07-19 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 19–168（150 aa）
Not recorded PAM PALMITOLEIC ACID × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 8.5；30% PEG 4000, 0.2 M MGCL2, 0.1 M TRIS PH 8.5.
Resolution 1.71 Å R-free 0.223
3ZUO OMCI in complex with leukotriene B4 Deposited 2011-07-19 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 19–168（150 aa）
Not recorded LTB LEUKOTRIENE B4 × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 8.4；21% PEG 4000, 0.2 M SODIUM ACETATE, TRIS 0.1 M PH 8.4.
Resolution 1.86 Å R-free 0.238
3ZUO OMCI in complex with leukotriene B4 Deposited 2011-07-19 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 19–168（150 aa）
Not recorded LTB LEUKOTRIENE B4 × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 8.4；21% PEG 4000, 0.2 M SODIUM ACETATE, TRIS 0.1 M PH 8.4.
Resolution 1.86 Å R-free 0.238
3ZUO OMCI in complex with leukotriene B4 Deposited 2011-07-19 Assembly 3 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain C 19–168（150 aa）
Not recorded LTB LEUKOTRIENE B4 × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 8.4；21% PEG 4000, 0.2 M SODIUM ACETATE, TRIS 0.1 M PH 8.4.
Resolution 1.86 Å R-free 0.238
3ZUO OMCI in complex with leukotriene B4 Deposited 2011-07-19 Assembly 4 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain D 19–168（150 aa）
Not recorded LTB LEUKOTRIENE B4 × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 8.4；21% PEG 4000, 0.2 M SODIUM ACETATE, TRIS 0.1 M PH 8.4.
Resolution 1.86 Å R-free 0.238
5HCC Ternary complex of human Complement C5 with Ornithodoros moubata OmCI and Dermacentor andersoni RaCI3. Deposited 2016-01-04 Assembly 1 Other combination Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain C 19–168（150 aa）
Mutation：N78Q, N102Q EDO 1,2-ETHANEDIOL × 7 CYS CYSTEINE × 1 DIO 1,4-DIETHYLENE DIOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 9；294 K；10% PEG 20K, 2% v/v 1,4 Dioxane, 0.1 M Bicine pH 9.0
Resolution 2.59 Å R-free 0.267
5HCD Ternary complex of human Complement C5 with Ornithodoros moubata OmCI and Rhipicephalus microplus RaCI2 Deposited 2016-01-04 Assembly 1 Other combination Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain C 19–168（150 aa） Fragment：UNP residues 19-168
Mutation：N78Q, N102Q CYS CYSTEINE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 9；294 K；10% (w/v) PEG 20K, 2%(v/v)1,4 Dioxane, 0.1M Bicine pH 9.0
Resolution 2.98 Å R-free 0.282
5HCE Ternary complex of human Complement C5 with Ornithodoros moubata OmCI and Rhipicephalus appendiculatus RaCI1 Deposited 2016-01-04 Assembly 1 Other combination Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain C 19–168（150 aa） Fragment：UNP residues 19-168
Mutation：N78Q, N102Q CYS CYSTEINE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 9；294 K；10% PEG 6K, 0.1 M Bicine pH 9.0
Resolution 3.12 Å R-free 0.281
6RQJ Structure of human complement C5 complexed with tick inhibitors OmCI, RaCI1 and CirpT1 Deposited 2019-05-15 Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain C 19–168（150 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 Å

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.