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MMP23, a metalloprotease with a toxin-like potassium channel blocking domain and immunomodulatory role with relevance in prostate cancer
Authors
Khoo, K.K., Feng, Z.
Assembly
MMP23-BgK
Entity
1. MMP23-BgK (polymer, Thiol state: all disulfide bound), 37 monomers, 4434.269 Da Detail

YGCLDRIFVC TSWARKGFCD VRQRLMKRLC PRSCDFC


Formula weight
4434.269 Da
Entity Connection
disulfide 3 Detail

IDTypeValue orderAtom ID 1Atom ID 2
1disulfidesing1:CYS3:SG1:CYS37:SG
2disulfidesing1:CYS10:SG1:CYS30:SG
3disulfidesing1:CYS19:SG1:CYS34:SG

Source organism
Rattus norvegicus
Exptl. method
solution NMR
Refine. method
simulated annealing
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 100.0 %, Completeness: 99.2 %, Completeness (bb): 98.7 % Detail

Polymer type: polypeptide(L)

Total1H
All99.2 % (234 of 236)99.2 % (234 of 236)
Backbone98.7 % (74 of 75)98.7 % (74 of 75)
Sidechain99.4 % (160 of 161)99.4 % (160 of 161)
Aromatic96.0 % (24 of 25)96.0 % (24 of 25)
Methyl100.0 % (14 of 14)100.0 % (14 of 14)

1. MMP23-BgK

YGCLDRIFVC TSWARKGFCD VRQRLMKRLC PRSCDFC

Sample #1

Solvent system 94% H2O/6% D2O, Pressure 1 atm, Temperature 293 K, pH 5.00


#NameIsotope labelingTypeConcentration
1MMP23-BgKnatural abundance2.26 mM
2H2Onatural abundance94 %
3D2O[U-100% 2H]6 %
Sample #2

Solvent system 100% D2O, Pressure 1 atm, Temperature 293 K, pH 5.00


#NameIsotope labelingTypeConcentration
4MMP23-BgKnatural abundance2.2-2.3 mM
5D2O[U-100% 2H]100 %

Protein Blocks Logo
Calculated from 20 models in PDB: 2K72, Strand ID: A Detail


Release date
2009-12-10
Citation
Potassium channel modulation by a toxin domain in matrix metalloprotease 23
Rangaraju, S., Khoo, K.K., Feng, Z., Crossley, G., Nugent, D., Khaytin, I., Chi, V., Pham, C., Calabresi, P., Pennington, M.W., Norton, R.S., Chandy, K.
J. Biol. Chem. (2010), 285, 9124-9136, PubMed 19965868 , DOI 10.1074/jbc.M109.071266 ,
Related entities 1. MMP23-BgK, : 1 : 2 : 2 : 56 entities Detail
Interaction partners 1. MMP23-BgK, : 1 interactors Detail
Experiments performed 9 experiments Detail
NMR combined restraints 4 contents Detail
Keywords metalloprotease, MMP23, potassium channel, toxin