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NMR structure of the S100A6 dimer in complex with a binding fragment of the Siah-1 interacting protein
Authors
Lee, Y., Chazin, W.J.
Assembly
Complex of S100A6 and SIP(189-219)
Entity
1. S100A6 (polymer, Thiol state: not present), 90 monomers, 10153.61 × 2 Da Detail

MASPLDQAIG LLIGIFHKYS GKEGDKHTLS KKELKELIQK ELTIGSKLQD AEIVKLMDDL DRNKDQEVNF QEYITFLGAL AMIYNEALKG


2. SIP(189-219) (polymer, Thiol state: not present), 35 monomers, 3940.375 × 2 Da Detail

GPGSSEGLMN VLKKIYEDGD DDMKRTINKA WVESR


Total weight
28187.97 Da
Max. entity weight
10153.61 Da
Source organism
Oryctolagus cuniculus , Mus musculus
Exptl. method
solution NMR
Refine. method
simulated annealing
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 94.4 %, Completeness: 52.8 %, Completeness (bb): 71.7 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All52.8 % (785 of 1486)46.7 % (364 of 780)53.5 % (306 of 572)85.8 % (115 of 134)
Backbone71.7 % (535 of 746)66.0 % (171 of 259)69.8 % (254 of 364)89.4 % (110 of 123)
Sidechain41.5 % (354 of 854)37.0 % (193 of 521)48.4 % (156 of 322)45.5 % (5 of 11)
Aromatic23.2 % (19 of 82)24.4 % (10 of 41)20.0 % (8 of 40)100.0 % (1 of 1)
Methyl34.8 % (48 of 138)37.7 % (26 of 69)31.9 % (22 of 69)

1. S100A6

MASPLDQAIG LLIGIFHKYS GKEGDKHTLS KKELKELIQK ELTIGSKLQD AEIVKLMDDL DRNKDQEVNF QEYITFLGAL AMIYNEALKG

2. SIP(189-219)

GPGSSEGLMN VLKKIYEDGD DDMKRTINKA WVESR

Sample #1

Solvent system 93% H2O/5% D2O/2% d-TFE, Pressure 1 atm, Temperature 318 K, pH 6.5, Details Contains double-labeled SIP(189-219) and unlabeled S100A6. 2% TFE(trifluoroethanol) was added to improve spectral quality.


#NameIsotope labelingTypeConcentration
1SIP(189-219)[U-100% 13C; U-100% 15N]1 mM
2S100A6natural abundance1 mM
3TRIS[U-2H]0.05 mM
4Ca2+natural abundance0.01 mM
5H2O93 %
6D2O5 %
7d-TFE2 %
Sample #2

Solvent system 93% H2O/5% D2O/2% d-TFE, Pressure 1 atm, Temperature 318 K, pH 6.5, Details Contains 15N-labeled SIP(189-219) and unlabeled S100A6. 2% d-TFE was added to improve spectral quality


#NameIsotope labelingTypeConcentration
8SIP(189-219)[U-100% 15N]1 mM
9S100A6natural abundance1 mM
10TRIS[U-2H]0.05 mM
11Ca2+natural abundance0.01 mM
12H2O93 %
13D2O5 %
14d-TFE2 %
Sample #3

Solvent system 98% D2O/2% d-TFE, Pressure 1 atm, Temperature 318 K, pH 6.5, Details Contains 13C-labeled SIP(189-219) and unlabeled S100A6. 2% d-TFE was added to improve spectral quality.


#NameIsotope labelingTypeConcentration
15SIP(189-219)[U-100% 13C]1 mM
16S100A6natural abundance1 mM
17TRIS[U-2H]0.05 mM
18Ca2+natural abundance0.01 mM
19D2O98 %
20d-TFE2 %
Sample #4

Solvent system 93% H2O/5% D2O/2% d-TFE, Pressure 1 atm, Temperature 318 K, pH 6.5, Details Contains 13C-labeled SIP(189-219) and 15N-labeled S100A6. 2% TFE was added to improve spectral quality.


#NameIsotope labelingTypeConcentration
21SIP(189-219)[U-100% 13C]2.3 mM
22S100A6[U-100% 15N]2.3 mM
23TRIS[U-2H]0.05 mM
24Ca2+natural abundance0.01 mM
25H2O93 %
26D2O5 %
27d-TFE2 %
Sample #5

Solvent system 93% H2O/5% D2O/2% d-TFE, Pressure 1 atm, Temperature 318 K, pH 6.5, Details Contains unlabeled SIP(189-219) and double-labeled S100A6. 2% TFE was added to improve spectral quality.


#NameIsotope labelingTypeConcentration
28SIP(189-219)natural abundance1 mM
29S100A6[U-100% 13C; U-100% 15N]1 mM
30TRIS[U-2H]0.05 mM
31Ca2+natural abundance0.01 mM
32H2O93 %
33D2O5 %
34d-TFE2 %

Protein Blocks Logo
Calculated from 20 models in PDB: 2JTT, Strand ID: A, B, C, D Detail


Release date
2008-10-28
Citation
Structure of the S100A6 complex with a fragment from the C-terminal domain of Siah-1 interacting protein: a novel mode for S100 protein target recognition
Lee, Y., Dimitrova, Y.N., Schneider, G., Ridenour, W.B., Bhattacharya, S., Soss, S.E., Caprioli, R.M., Filipek, A., Chazin, W.J.
Biochemistry (2008), 47, 10921-10932, PubMed 18803400 , DOI 10.1021/bi801233z ,
Related entities 1. S100A6, : 71 entities Detail
Related entities 2. SIP(189-219), : 1 : 9 : 34 entities Detail
Interaction partners 2. SIP(189-219), : 20 interactors Detail
Experiments performed 13 experiments Detail
NMR combined restraints 4 contents Detail
Keywords beta-catenin, E3 ligase complex, S100A6, Siah-1 interacting protein, ubiquitination