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Structure of the C-Terminal Domain of the SecA ATPase
Authors
Dempsey, B.R., Wrona, M., Moulin, J.M., Gloor, G.B., Jalilehvand, F., Lajoie, G., Shaw, G.S., Shilton, B.H.
Assembly
SecA
Entity
1. SecA (polymer, Thiol state: all other bound), 22 monomers, 2418.779 Da Detail

KVGRNDPCPC GSGKKYKQCH GR


2. ZN (non-polymer), 65.409 Da
Total weight
2484.188 Da
Max. entity weight
2418.779 Da
Entity Connection
na 4 Detail

IDTypeValue orderAtom ID 1Atom ID 2
1nasing1:CYS8:SG2:ZN1:ZN
2nasing1:CYS10:SG2:ZN1:ZN
3nasing1:CYS19:SG2:ZN1:ZN
4nasing1:HIS20:ND12:ZN1:ZN

Source organism
Escherichia coli
Exptl. method
NMR
Refine. method
simulated annealing
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 100.0 %, Completeness: 64.0 %, Completeness (bb): 64.8 % Detail

Polymer type: polypeptide(L)

Total1H13C
All64.0 % (146 of 228)84.7 % (116 of 137)33.0 % (30 of 91)
Backbone64.8 % (70 of 108)100.0 % (46 of 46)38.7 % (24 of 62)
Sidechain56.5 % (78 of 138)76.9 % (70 of 91)17.0 % (8 of 47)
Aromatic33.3 % (4 of 12)66.7 % (4 of 6) 0.0 % (0 of 6)
Methyl25.0 % (1 of 4)50.0 % (1 of 2) 0.0 % (0 of 2)

1. SecA

KVGRNDPCPC GSGKKYKQCH GR

Sample

Pressure 1 atm, Temperature 298 K, pH 7.0


#NameIsotope labelingTypeConcentration
1SecA1.7 mM
2deuterated Pipes buffer20 mM
3NaCl50 mM
4TCEP0.5 mM
5ZnCl23.4 mM
6H2O90 %
7D2O10 %

Protein Blocks Logo
Calculated from 20 models in PDB: 1SX1, Strand ID: A Detail


Release date
2004-09-06
Citation
Solution NMR structure and X-ray absorption analysis of the C-terminal zinc-binding domain of the SecA ATPase
Dempsey, B.R., Wrona, M., Moulin, J.M., Gloor, G.B., Jalilehvand, F., Lajoie, G., Shaw, G.S., Shilton, B.H.
Biochemistry (2004), 43, 9361-9371, PubMed 15260479 , DOI 10.1021/bi0493057 ,
Related entities 1. SecA, : 1 : 22 : 67 : 3 : 30 entities Detail
Interaction partners 1. SecA, : 94 interactors Detail
Experiments performed 2 experiments Detail
nullKeywords metal ion, no secondary structure, structural zinc coordination, tetrahedral coordination, zinc