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Solution structure of the chromodomain of HP1a with the phosphorylated N-terminal tail complexed with H3K9me3 peptide
Authors
Kawaguchi, A., Nishimura, Y.
Assembly
Chromodomain of HP1a with the phosphorylated N-terminal tail complexed with H3K9me3 peptide
Entity
1. Chromodomain of HP1a with the phosphorylated N-terminal tail complexed with H3K9me3 peptide, entity 1 (polymer, Thiol state: all free), 83 monomers, 10149.89 Da Detail

GSHMGKKTKR TADXXXXEDE EEYVVEKVLD RRMVKGQVEY LLKWKGFSEE HNTWEPEKNL DCPELISEFM KKYKKMKEGE NNK


2. Chromodomain of HP1a with the phosphorylated N-terminal tail complexed with H3K9me3 peptide, entity 2 (polymer, Thiol state: not present), 18 monomers, 2020.319 Da Detail

ARTKQTARXS TGGKAPRY


Total weight
12170.209 Da
Max. entity weight
10149.89 Da
Source organism
Mus musculus
Exptl. method
solution NMR
Data set
assigned_chemical_shifts
Chem. Shift Complete1
Sequence coverage: 78.2 %, Completeness: 77.9 %, Completeness (bb): 81.6 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All77.9 % (920 of 1181)75.7 % (476 of 629)80.2 % (357 of 445)81.3 % (87 of 107)
Backbone81.6 % (465 of 570)80.1 % (157 of 196)82.2 % (231 of 281)82.8 % (77 of 93)
Sidechain75.6 % (529 of 700)73.7 % (319 of 433)79.1 % (200 of 253)71.4 % (10 of 14)
Aromatic81.0 % (68 of 84)81.0 % (34 of 42)80.0 % (32 of 40)100.0 % (2 of 2)
Methyl82.8 % (53 of 64)81.3 % (26 of 32)84.4 % (27 of 32)

1. entity 1

GSHMGKKTKR TADXXXXEDE EEYVVEKVLD RRMVKGQVEY LLKWKGFSEE HNTWEPEKNL DCPELISEFM KKYKKMKEGE NNK

2. entity 2

ARTKQTARXS TGGKAPRY

Sample #1

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 298 K, pH 6.8


#NameIsotope labelingTypeConcentration
1HP1alpha[U-99% 13C; U-99% 15N]protein0.0 ~ 0.0 mM
2H3K9me3[U-99% 13C; U-99% 15N]protein0.0 ~ 0.0 mM
3potassium phosphatenatural abundancebuffer20 mM
4sodium chloridenatural abundancesalt10 mM
5DTTnatural abundance5 mM
6H2Onatural abundancesolvent90 %
7D2O[U-2H]solvent10 %
Sample #2

Solvent system 100% D2O, Pressure 1 atm, Temperature 298 K, pH 6.8


#NameIsotope labelingTypeConcentration
8HP1alpha[U-99% 13C; U-99% 15N]protein0.0 ~ 0.0 mM
9H3K9me3[U-99% 13C; U-99% 15N]protein0.0 ~ 0.0 mM
10potassium phosphate"natural abundancebuffer20 mM
11sodium chloridenatural abundancesalt10 mM
12DTTnatural abundance5 mM
13D2O[U-2H]solvent100 %

Chem. Shift Complete2
Sequence coverage: 23.8 %, Completeness: 44.3 %, Completeness (bb): 46.0 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All44.3 % (1046 of 2362)45.9 % (578 of 1258)42.0 % (374 of 890)43.9 % (94 of 214)
Backbone46.0 % (524 of 1140)49.0 % (192 of 392)44.1 % (248 of 562)45.2 % (84 of 186)
Sidechain43.0 % (602 of 1400)44.6 % (386 of 866)40.7 % (206 of 506)35.7 % (10 of 28)
Aromatic42.9 % (72 of 168)45.2 % (38 of 84)40.0 % (32 of 80)50.0 % (2 of 4)
Methyl47.7 % (61 of 128)53.1 % (34 of 64)42.2 % (27 of 64)

1. entity 1

GSHMGKKTKR TADXXXXEDE EEYVVEKVLD RRMVKGQVEY LLKWKGFSEE HNTWEPEKNL DCPELISEFM KKYKKMKEGE NNK

2. entity 2

ARTKQTARXS TGGKAPRY

Sample

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 298 K, pH 6.8


#NameIsotope labelingTypeConcentration
1HP1alpha[U-99% 13C; U-99% 15N]protein0.0 ~ 0.0 mM
2H3K9me3[U-99% 13C; U-99% 15N]protein0.0 ~ 0.0 mM
3potassium phosphatenatural abundancebuffer20 mM
4sodium chloridenatural abundancesalt10 mM
5DTTnatural abundance5 mM
6H2Onatural abundancesolvent90 %
7D2O[U-2H]solvent10 %

Release date
2015-12-20
Citation
Extended string-like binding of the phosphorylated HP1α N-terminal tail to the lysine 9-methylated histone H3 tail
Shimojo, H., Kawaguchi, A., Oda, T., Hashiguchi, N., Omori, S., Moritsugu, K., Kidera, A., Hiragami-Hamada, K., Nakayama, J., Sato, M., Nishimura, Y.
Sci. Rep. (2016), 6, 22527-22527, PubMed 26934956 , DOI 10.1038/srep22527 ,
Related entities 1. Chromodomain of HP1a with the phosphorylated N-terminal tail complexed with H3K9me3 peptide, entity 1, : 1 : 1 : 3 : 21 entities Detail
Related entities 2. Chromodomain of HP1a with the phosphorylated N-terminal tail complexed with H3K9me3 peptide, entity 2, : 107 : 37 entities Detail
Interaction partners 2. Chromodomain of HP1a with the phosphorylated N-terminal tail complexed with H3K9me3 peptide, entity 2, : 1 interactors Detail
Experiments performed 15 experiments Detail
Chemical shift validation 5 contents Detail
Keywords chromodomain, hp1alpha