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Solution structure of S100A1 Ca2+
Authors
Budzinska, M., Ruszczynska-Bartnik, K., Belczyk-Ciesielska, A., Bierzynski, A., Ejchart, A.
Assembly
S100A1 homodimer
Entity
1. S100A1 Ca2+ (polymer, Thiol state: all free), 93 monomers, 10414.49 × 2 Da Detail

GSELETAMET LINVFHAHSG KEGDKYKLSK KELKELLQTE LSGFLDAQKD VDAVDKVMKE LDENGDGEVD FQEYVVLVAA LTVACNNFFW ENS


2. CALCIUM ION (non-polymer), 1 monomers, 40.078 × 4 Da
Total weight
20989.293 Da
Max. entity weight
10414.49 Da
Source organism
Escherichia coli
Exptl. method
solution NMR
Refine. method
simulated annealing
Data set
assigned_chemical_shifts, heteronucl_NOEs, heteronucl_T1_relaxation, heteronucl_T2_relaxation
Chem. Shift Complete
Sequence coverage: 97.8 %, Completeness: 92.3 %, Completeness (bb): 94.1 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All92.3 % (991 of 1074)93.1 % (515 of 553)91.4 % (383 of 419)91.2 % (93 of 102)
Backbone94.1 % (525 of 558)93.8 % (180 of 192)95.2 % (260 of 273)91.4 % (85 of 93)
Sidechain91.2 % (550 of 603)92.8 % (335 of 361)88.8 % (207 of 233)88.9 % (8 of 9)
Aromatic64.0 % (55 of 86)72.1 % (31 of 43)54.8 % (23 of 42)100.0 % (1 of 1)
Methyl99.1 % (105 of 106)100.0 % (53 of 53)98.1 % (52 of 53)

1. S100A1 Ca2+

GSELETAMET LINVFHAHSG KEGDKYKLSK KELKELLQTE LSGFLDAQKD VDAVDKVMKE LDENGDGEVD FQEYVVLVAA LTVACNNFFW ENS

Sample #1

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 310 K, pH 7.2


#NameIsotope labelingTypeConcentration
1D2Onatural abundance10 %
2H2Onatural abundance90 %
3sodium chloridenatural abundance50 mM
4CALCIUM IONnatural abundance10 mM
5S100A1[U-99% 13C; U-99% 15N]0.8 mM
6TRIS-d11natural abundance50 mM
Sample #2

Solvent system 100% D2O, Pressure 1 atm, Temperature 310 K, pH 7.2


#NameIsotope labelingTypeConcentration
7D2Onatural abundance100 %
8sodium chloridenatural abundance50 mM
9CALCIUM IONnatural abundance10 mM
10S100A1[U-99% 13C; U-99% 15N]0.8 mM
11TRIS-d11natural abundance50 mM
Sample #3

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 310 K, pH 7.2


#NameIsotope labelingTypeConcentration
12D2Onatural abundance10 %
13H2Onatural abundance90 %
14sodium chloridenatural abundance50 mM
15CALCIUM IONnatural abundance10 mM
16S100A1[U-99% 15N]0.8 mM
17TRIS-d11natural abundance50 mM

LACS Plot; CA
Referencing offset: 0.15 ppm, Outliers: 2 Detail
LACS Plot; CB
Referencing offset: 0.15 ppm, Outliers: 2 Detail
LACS Plot; HA
Referencing offset: 0.07 ppm, Outliers: 4 Detail
LACS Plot; CO
Referencing offset: -0.27 ppm, Outliers: 1 Detail
Protein Blocks Logo
Calculated from 20 models in PDB: 2LP3, Strand ID: A, B Detail


Heteronucl. T1
221 T1 values in 3 lists
Coherence Sz, Field strength (1H) 400 MHz, 500 MHz, 700 MHz, Pressure 1 atm, Temperature 310 K, pH 7.2 Detail
Heteronucl. T2
224 T2 values in 3 lists
Coherence S(+,-), Field strength (1H) 400 MHz, 500 MHz, 700 MHz, Pressure 1 atm, Temperature 310 K, pH 7.2 Detail
Heteronucl. NOE
199 NOE values in 3 lists
Value type peak height, Field strength (1H) 400 MHz, 500 MHz, 700 MHz, Pressure 1 atm, Temperature 310 K, pH 7.2 Detail
Heteronucl. T1/T2
219 T1/T2 values in 3 lists
Field strength (1H) 400 MHz, 500 MHz, 700 MHz, Pressure 1 atm, Temperature 310 K, pH 7.2 Detail
Release date
2013-02-17
Citation
Impact of calcium binding and thionylation of S100A1 protein on its nuclear magnetic resonance-derived structure and backbone dynamics
Nowakowski, M., Ruszczyska-Bartnik, K., Budziska, M., Jaremko, L., Jaremko, M., Zdanowski, K., Bierzyski, A., Ejchart, A.
Biochemistry (2013), 52, 1149-1159, PubMed 23351007 , DOI 10.1021/bi3015407 ,
Related entities 1. S100A1 Ca2+, : 1 : 6 : 2 : 4 : 260 entities Detail
Interaction partners 1. S100A1 Ca2+, : 11 interactors Detail
Experiments performed 23 experiments Detail
NMR combined restraints 5 contents Detail
Keywords 15N relaxation, calcium binding protein, human S100A1, S100A1 Ca2+, S100 protein family