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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：P37300 New Search
4PDB entries
4Biological assembly
4chain/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
1CNN OMEGA-CONOTOXIN MVIIC FROM CONUS MAGUS Deposited 1999-05-20 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 3–28（26 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 3.5；293 K
NMR sample composition 95% WATER/ 5% D2O
Resolution not provided
1OMN SOLUTION STRUCTURE OF OMEGA-CONOTOXIN MVIIC, A HIGH AFFINITY OF P-TYPE CALCIUM CHANNELS, USING 1H NMR SPECTROSCOPY AND COMPLETE RELAXATION MATRIX ANALYSIS Deposited 1994-12-20 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 3–28（26 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
1V4Q Three-dimensional solution structure of the analogue peptide of omega-conotoxin MVIIC Deposited 2003-11-17 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 3–28（26 aa）
Mutation：S17K/S19R/K25R Non-standard monomer：Yes (specific site not provided by mmCIF) No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 4；288 K；Ionic strength (raw mmCIF value) 0；Pressure ambient
NMR sample composition 9mM omega-conotoxin MVIIC analogue; 90% H2O, 10% D2O | 90% H2O/10% D2O
NMR sample composition 9mM omega-conotoxin MVIIC analogue; D2O | D2O
Resolution not provided
8X91 P/Q type calcium channel in complex with omega-conotoxin MVIIC Deposited 2023-11-29 Assembly 1 Other combination Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain X 3–28（26 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 CA CALCIUM ION × 3 CLR CHOLESTEROL × 5 PT5 [(2R)-1-octadecanoyloxy-3-[oxidanyl-[(1R,2R,3S,4R,5R,6S)-2,3,6-tris(oxidanyl)-4,5-diphosphonooxy-cyclohexyl]oxy-phospho ryl]oxy-propan-2-yl] (8Z)-icosa-5,8,11,14-tetraenoate × 1 Y01 CHOLESTEROL HEMISUCCINATE × 3 3PE 1,2-Distearoyl-sn-glycerophosphoethanolamine × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.11 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.