- PDB-1s7t: Crystal structures of the murine class I major histocompatibility... -
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基本情報
登録情報
データベース: PDB / ID: 1s7t
タイトル
Crystal structures of the murine class I major histocompatibility complex H-2Kb in complex with LCMV-derived gp33 index peptide and three of its escape variants
要素
Beta-2-microglobulin
Glycoprotein 9-residue peptide
H-2 class I histocompatibility antigen, K-B alpha chain
キーワード
IMMUNE SYSTEM / LCMV / MHC class I / immune escape
機能・相同性
機能・相同性情報
Endosomal/Vacuolar pathway / DAP12 interactions / Antigen Presentation: Folding, assembly and peptide loading of class I MHC / ER-Phagosome pathway / DAP12 signaling / Immunoregulatory interactions between a Lymphoid and a non-Lymphoid cell / antigen processing and presentation of exogenous peptide antigen via MHC class I / inner ear development / host cell Golgi membrane / antigen processing and presentation of endogenous peptide antigen via MHC class I via ER pathway, TAP-dependent ...Endosomal/Vacuolar pathway / DAP12 interactions / Antigen Presentation: Folding, assembly and peptide loading of class I MHC / ER-Phagosome pathway / DAP12 signaling / Immunoregulatory interactions between a Lymphoid and a non-Lymphoid cell / antigen processing and presentation of exogenous peptide antigen via MHC class I / inner ear development / host cell Golgi membrane / antigen processing and presentation of endogenous peptide antigen via MHC class I via ER pathway, TAP-dependent / cellular defense response / receptor-mediated endocytosis of virus by host cell / Neutrophil degranulation / lumenal side of endoplasmic reticulum membrane / cellular response to iron(III) ion / antigen processing and presentation of exogenous protein antigen via MHC class Ib, TAP-dependent / negative regulation of forebrain neuron differentiation / peptide antigen assembly with MHC class I protein complex / regulation of erythrocyte differentiation / regulation of iron ion transport / MHC class I peptide loading complex / response to molecule of bacterial origin / HFE-transferrin receptor complex / T cell mediated cytotoxicity / antigen processing and presentation of endogenous peptide antigen via MHC class I / positive regulation of T cell cytokine production / MHC class I protein complex / peptide antigen binding / negative regulation of neurogenesis / positive regulation of T cell mediated cytotoxicity / positive regulation of receptor-mediated endocytosis / multicellular organismal-level iron ion homeostasis / cellular response to nicotine / phagocytic vesicle membrane / positive regulation of cellular senescence / negative regulation of epithelial cell proliferation / sensory perception of smell / negative regulation of neuron projection development / iron ion transport / T cell differentiation in thymus / protein refolding / protein homotetramerization / amyloid fibril formation / intracellular iron ion homeostasis / learning or memory / host cell endoplasmic reticulum membrane / defense response to bacterium / external side of plasma membrane / fusion of virus membrane with host endosome membrane / viral envelope / virion attachment to host cell / host cell plasma membrane / virion membrane / structural molecule activity / Golgi apparatus / protein homodimerization activity / extracellular space / metal ion binding / membrane / cytosol 類似検索 - 分子機能
Arenavirus glycoprotein, zinc binding domain / Arenavirus glycoprotein / Arenavirus glycoprotein / MHC class I, alpha chain, C-terminal / MHC_I C-terminus / MHC class I-like antigen recognition-like / Murine Class I Major Histocompatibility Complex, H2-DB; Chain A, domain 1 / MHC class I alpha chain, alpha1 alpha2 domains / Class I Histocompatibility antigen, domains alpha 1 and 2 / Beta-2-Microglobulin ...Arenavirus glycoprotein, zinc binding domain / Arenavirus glycoprotein / Arenavirus glycoprotein / MHC class I, alpha chain, C-terminal / MHC_I C-terminus / MHC class I-like antigen recognition-like / Murine Class I Major Histocompatibility Complex, H2-DB; Chain A, domain 1 / MHC class I alpha chain, alpha1 alpha2 domains / Class I Histocompatibility antigen, domains alpha 1 and 2 / Beta-2-Microglobulin / : / MHC class I-like antigen recognition-like / MHC class I-like antigen recognition-like superfamily / MHC classes I/II-like antigen recognition protein / : / Immunoglobulin/major histocompatibility complex, conserved site / Immunoglobulins and major histocompatibility complex proteins signature. / Immunoglobulin C-Type / Immunoglobulin C1-set / Immunoglobulin C1-set domain / Ig-like domain profile. / Immunoglobulin-like domain / Immunoglobulin-like domain superfamily / Immunoglobulin-like fold / Immunoglobulins / Immunoglobulin-like / Sandwich / 2-Layer Sandwich / Mainly Beta / Alpha Beta 類似検索 - ドメイン・相同性
Beta-2-microglobulin / H-2 class I histocompatibility antigen, K-B alpha chain / Pre-glycoprotein polyprotein GP complex 類似検索 - 構成要素
SEQUENCE THE CYSTEINE IN THE ORIGINAL SEQUENCE IS REPLACED INTENTIONALLY BY A METHIONINE TO AVOID ...SEQUENCE THE CYSTEINE IN THE ORIGINAL SEQUENCE IS REPLACED INTENTIONALLY BY A METHIONINE TO AVOID OXIDATION OF THE PEPTIDE.
分子量: 1029.232 Da / 分子数: 2 / Mutation: Y4F / 由来タイプ: 合成 詳細: The peptide was chemically synthesized, the sequence of the peptide is naturally found in Lymphocytic choriomeningitis virus 参照: UniProt: P07399
解像度: 2.3→19.88 Å / SU B: 6.306 / SU ML: 0.153 / 交差検証法: THROUGHOUT / ESU R: 0.283 / ESU R Free: 0.225 / 立体化学のターゲット値: MAXIMUM LIKELIHOOD / 詳細: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
Rfactor
反射数
%反射
Selection details
Rfree
0.25193
1915
4.1 %
RANDOM
Rwork
0.20467
-
-
-
obs
0.20652
45308
99.21 %
-
all
-
47923
-
-
溶媒の処理
イオンプローブ半径: 0.8 Å / 減衰半径: 0.8 Å / VDWプローブ半径: 1.4 Å
原子変位パラメータ
Biso mean: 27.089 Å2
Baniso -1
Baniso -2
Baniso -3
1-
-0.05 Å2
0 Å2
0 Å2
2-
-
0.06 Å2
0 Å2
3-
-
-
-0.01 Å2
精密化ステップ
サイクル: LAST / 解像度: 2.3→19.88 Å
タンパク質
核酸
リガンド
溶媒
全体
原子数
6258
0
0
363
6621
拘束条件
Refine-ID
タイプ
Dev ideal
Dev ideal target
数
X-RAY DIFFRACTION
r_bond_refined_d
0.01
0.021
6442
X-RAY DIFFRACTION
r_bond_other_d
0.002
0.02
5566
X-RAY DIFFRACTION
r_angle_refined_deg
1.195
1.934
8750
X-RAY DIFFRACTION
r_angle_other_deg
0.805
3
12982
X-RAY DIFFRACTION
r_dihedral_angle_1_deg
6.459
5
760
X-RAY DIFFRACTION
r_dihedral_angle_2_deg
X-RAY DIFFRACTION
r_dihedral_angle_3_deg
X-RAY DIFFRACTION
r_dihedral_angle_4_deg
X-RAY DIFFRACTION
r_chiral_restr
0.079
0.2
900
X-RAY DIFFRACTION
r_gen_planes_refined
0.004
0.02
7166
X-RAY DIFFRACTION
r_gen_planes_other
0.002
0.02
1364
X-RAY DIFFRACTION
r_nbd_refined
0.189
0.2
1102
X-RAY DIFFRACTION
r_nbd_other
0.236
0.2
6313
X-RAY DIFFRACTION
r_nbtor_refined
X-RAY DIFFRACTION
r_nbtor_other
0.084
0.2
3835
X-RAY DIFFRACTION
r_xyhbond_nbd_refined
0.212
0.2
325
X-RAY DIFFRACTION
r_xyhbond_nbd_other
X-RAY DIFFRACTION
r_metal_ion_refined
X-RAY DIFFRACTION
r_metal_ion_other
X-RAY DIFFRACTION
r_symmetry_vdw_refined
0.102
0.2
12
X-RAY DIFFRACTION
r_symmetry_vdw_other
0.152
0.2
85
X-RAY DIFFRACTION
r_symmetry_hbond_refined
0.154
0.2
10
X-RAY DIFFRACTION
r_symmetry_hbond_other
X-RAY DIFFRACTION
r_mcbond_it
0.547
1.5
3820
X-RAY DIFFRACTION
r_mcbond_other
X-RAY DIFFRACTION
r_mcangle_it
1.07
2
6176
X-RAY DIFFRACTION
r_scbond_it
1.525
3
2622
X-RAY DIFFRACTION
r_scangle_it
2.652
4.5
2574
X-RAY DIFFRACTION
r_rigid_bond_restr
X-RAY DIFFRACTION
r_sphericity_free
X-RAY DIFFRACTION
r_sphericity_bonded
LS精密化 シェル
解像度: 2.297→2.356 Å / Total num. of bins used: 20 /