- PDB-2cn4: The crystal structure of the secreted dimeric form of the hemopho... -
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IDまたはキーワード:
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基本情報
登録情報
データベース: PDB / ID: 2cn4
タイトル
The crystal structure of the secreted dimeric form of the hemophore HasA reveals a domain swapping with an exchanged heme ligand
要素
HEMOPHORE HASA
キーワード
TRANSPORT PROTEIN / DOMAIN SWAPPING / HEME / IRON / DIMERIC FORM / METAL-BINDING
機能・相同性
機能・相同性情報
extracellular region / metal ion binding 類似検索 - 分子機能
Heme-binding Protein A; Chain: A; / Haem-binding HasA / Haem-binding HasA / Haem-binding HasA superfamily / Heme-binding protein A (HasA) / 2-Layer Sandwich / Alpha Beta 類似検索 - ドメイン・相同性
PROTOPORPHYRIN IX CONTAINING FE / PHOSPHATE ION / Hemophore HasA 類似検索 - 構成要素
SHEET THE SHEET STRUCTURE OF THIS MOLECULE IS BIFURCATED. IN ORDER TO REPRESENT THIS FEATURE IN ... SHEET THE SHEET STRUCTURE OF THIS MOLECULE IS BIFURCATED. IN ORDER TO REPRESENT THIS FEATURE IN THE SHEET RECORDS BELOW, TWO SHEETS ARE DEFINED.
IT IS CAPABLE OF BINDING FREE HEME AS WELL AS CAN ACQUIRE IT FROM THE HEMOGLOBIN.IT IS REPONSIBLE ...IT IS CAPABLE OF BINDING FREE HEME AS WELL AS CAN ACQUIRE IT FROM THE HEMOGLOBIN.IT IS REPONSIBLE FOR TRANSFERRING HEME FROM HEMOGLOB TO THE HASR RECEPTOR WHICH RELEASES IT INTO THE BACTERIUM.
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実験情報
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実験
実験
手法: X線回折 / 使用した結晶の数: 1
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試料調製
結晶
マシュー密度: 2.17 Å3/Da / 溶媒含有率: 43 %
結晶化
pH: 8.5 詳細: 2 MICROLITERS PROTEIN (AT A CONCENTRATION OF ABOUT 4 MG/ML) WERE MIXED WITH 1 MICROLITER RESERVOIR CONSISTING OF 100 MM TRIS BUFFER AT PH 8.5, 2 M K2HPO4 AND 2 M NAH2PO4.
解像度: 2.3→30 Å / Cor.coef. Fo:Fc: 0.939 / Cor.coef. Fo:Fc free: 0.889 / SU B: 4.185 / SU ML: 0.105 / 交差検証法: THROUGHOUT / ESU R: 0.492 / ESU R Free: 0.246 / 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
0.224
676
5 %
RANDOM
Rwork
0.169
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obs
0.172
12866
95.3 %
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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: 1.4 Å / 溶媒モデル: BABINET MODEL WITH MASK