- PDB-5occ: Crystal structure of CD32b (Fc Gamma Receptor IIb) in complex wit... -
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基本情報
登録情報
データベース: PDB / ID: 5occ
タイトル
Crystal structure of CD32b (Fc Gamma Receptor IIb) in complex with Human IgG1 Fab fragment (6G08)
要素
6G08 Fab Light Chain
6G08 Fab heavy chain
Low affinity immunoglobulin gamma Fc region receptor II-b
キーワード
IMMUNE SYSTEM / cd32b / Complex / Fab / mAb
機能・相同性
機能・相同性情報
negative regulation of type I hypersensitivity / negative regulation of antibody-dependent cellular cytotoxicity / immune effector process / follicular dendritic cell activation / immune complex clearance by monocytes and macrophages / regulation of B cell antigen processing and presentation / regulation of immune complex clearance by monocytes and macrophages / regulation of endoplasmic reticulum stress-induced neuron intrinsic apoptotic signaling pathway / positive regulation of response to endoplasmic reticulum stress / negative regulation of acute inflammatory response to antigenic stimulus ...negative regulation of type I hypersensitivity / negative regulation of antibody-dependent cellular cytotoxicity / immune effector process / follicular dendritic cell activation / immune complex clearance by monocytes and macrophages / regulation of B cell antigen processing and presentation / regulation of immune complex clearance by monocytes and macrophages / regulation of endoplasmic reticulum stress-induced neuron intrinsic apoptotic signaling pathway / positive regulation of response to endoplasmic reticulum stress / negative regulation of acute inflammatory response to antigenic stimulus / positive regulation of humoral immune response / negative regulation of neutrophil activation / negative regulation of dendritic cell antigen processing and presentation / negative regulation of B cell receptor signaling pathway / negative regulation of humoral immune response mediated by circulating immunoglobulin / low-affinity IgG receptor activity / follicular B cell differentiation / negative regulation of cytotoxic T cell degranulation / negative regulation of immunoglobulin production / cellular response to molecule of bacterial origin / negative regulation of dendritic cell differentiation / regulation of dendritic spine maintenance / negative regulation of B cell activation / IgG receptor activity / regulation of adaptive immune response / mature B cell differentiation involved in immune response / negative regulation of macrophage activation / Fc-gamma receptor signaling pathway / negative regulation of immune response / regulation of signaling receptor activity / negative regulation of phagocytosis / antibody-dependent cellular cytotoxicity / IgG binding / negative regulation of cytokine production / phagocytosis, engulfment / negative regulation of interleukin-10 production / regulation of innate immune response / negative regulation of B cell proliferation / immunoglobulin mediated immune response / phagocytosis / positive regulation of phagocytosis / cerebellum development / receptor-mediated endocytosis / positive regulation of JNK cascade / response to bacterium / defense response / cellular response to amyloid-beta / antigen processing and presentation of exogenous peptide antigen via MHC class II / positive regulation of tumor necrosis factor production / Immunoregulatory interactions between a Lymphoid and a non-Lymphoid cell / amyloid-beta binding / cell body / dendritic spine / cell surface receptor signaling pathway / inflammatory response / external side of plasma membrane / protein-containing complex binding / plasma membrane 類似検索 - 分子機能
分子量: 19713.928 Da / 分子数: 1 / 由来タイプ: 組換発現 詳細: Crystal structure does not resolve residues 1-10, 32-36. Residue 44 modelled as ALA due to lack of density. 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: FCGR2B, CD32, FCG2, IGFR2 / 細胞株 (発現宿主): HEK293 / 発現宿主: Homo sapiens (ヒト) / Variant (発現宿主): EBNA / 参照: UniProt: P31994
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抗体 , 2種, 2分子 HL
#2: 抗体
6G08Fabheavychain
分子量: 23091.699 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 細胞株 (発現宿主): HEK293 / 発現宿主: Homo sapiens (ヒト) / Variant (発現宿主): EBNA
#3: 抗体
6G08FabLightChain
分子量: 22820.160 Da / 分子数: 1 / 由来タイプ: 組換発現 詳細: Terminal serine is not resolved in resolved in electron density 由来: (組換発現) Homo sapiens (ヒト) / 細胞株 (発現宿主): HEK293 / 発現宿主: Homo sapiens (ヒト) / Variant (発現宿主): EBNA
プロトコル: SINGLE WAVELENGTH / 単色(M)・ラウエ(L): M / 散乱光タイプ: x-ray
放射波長
波長: 0.98 Å / 相対比: 1
反射
解像度: 2.5→134.95 Å / Num. obs: 23884 / % possible obs: 99.5 % / 冗長度: 5.5 % / CC1/2: 0.99 / Rmerge(I) obs: 0.134 / Net I/σ(I): 9.6
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解析
ソフトウェア
名称
バージョン
分類
REFMAC
5.8.0158
精密化
XDS
データ削減
Aimless
データスケーリング
MOLREP
位相決定
精密化
解像度: 2.5→134.95 Å / Cor.coef. Fo:Fc: 0.95 / Cor.coef. Fo:Fc free: 0.908 / SU B: 24.589 / SU ML: 0.248 / 交差検証法: THROUGHOUT / ESU R: 0.466 / ESU R Free: 0.294 / 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
0.26077
1281
5.1 %
RANDOM
Rwork
0.19229
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obs
0.19585
23884
99.25 %
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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: 1.2 Å / 溶媒モデル: MASK