1CPR

ST. LOUIS CYTOCHROME C' FROM THE PURPLE PHOTOTROPIC BACTERIUM, RHODOBACTER CAPSULATUS

1CPR の概要

• エントリーDOI: 10.2210/pdb1cpr/pdb
• 分子名称: CYTOCHROME C', ZINC ION, PROTOPORPHYRIN IX CONTAINING FE, ... (4 entities in total)
• 機能のキーワード: electron transport, heme protein, cytochrome
• 由来する生物種: Rhodobacter capsulatus
• タンパク質・核酸の鎖数: 1
• 化学式量合計: 14149.65

構造登録者

Tahirov, T.H.,Misaki, S.,Meyer, T.E.,Cusanovich, M.A.,Yasuoka, N. (登録日: 1996-04-09, 公開日: 1997-01-27, 最終更新日: 2024-11-20)

主引用文献

Tahirov, T.H.,Misaki, S.,Meyer, T.E.,Cusanovich, M.A.,Higuchi, Y.,Yasuoka, N.
Structure of cytochrome c' from Rhodobacter capsulatus strain St Louis: an unusual molecular association induced by bridging Zn ions.
Acta Crystallogr.,Sect.D, 53:658-664, 1997

PubMed Abstract: Rhodobacter capsulatus strain St Louis cytochrome c' (RCCP-SL) has been crystallized and the structure solved by molecular replacement. It was refined at 2.1 A resolution to an R value of 18.4%, and compared with Rhodobacter capsulatus strain M110 cytochrome c' (RCCP-M110). Although these two proteins are very similar in sequence and structure, the intermolecular interaction is largely different. In RCCP-M110, the molecules dimerize through interaction of helix B to form an antiparallel arrangement. When crystallized in the presence of Zn ions, molecules of RCCP-SL were found to be arranged as linear polymers connected by the bridging Zn ions. The changes in conformation of the side chains induced by binding of the Zn ions, by the substitution of Glu90 for Asp90, and by the different arrangement of the molecules, are discussed in detail.

PubMed: 15299853
DOI: 10.1107/S0907444997005805

実験手法

X-RAY DIFFRACTION (2.1 Å)