ジスルフィド結合 2024年 03月 8日(金曜日) 16:07 - 野中 孝昌 の投稿 返信数: 0 ジスルフィド結合システインの側鎖のイオウ原子どうしの共有結合をジスルフィド結合という。スルファニル基（チオール基）の酸化で生じる。 パーマリンク
![\tdplotsetmaincoords{120}{15}\begin{tikzpicture}[scale=1,tdplot_main_coords,scale=0.7,,rotate=70,declare function = {opc=0.9;PDB=3DH5; sg=P3221;a=64.129; b=64.129; c=63.803; alpha=90; beta=90; gamma=120;x0=10.531; y0=15.975; z0=12.2455;vdw=2; lw=3;}]\coordinate (AN) at (10.143-x0, 13.311-y0, 14.464-z0);\coordinate (ACA) at (10.844-x0, 14.520-y0, 14.906-z0);\coordinate (AC) at (10.910-x0, 14.484-y0, 16.430-z0);\coordinate (AO) at (9.881-x0, 14.379-y0, 17.086-z0);\coordinate (ACB) at (10.117-x0, 15.802-y0, 14.493-z0);\coordinate (ASG) at (9.657-x0, 15.922-y0, 12.737-z0);\coordinate (AH1) at (11.831-x0, 14.532-y0, 14.443-z0);\coordinate (AH2) at (10.824-x0, 16.612-y0, 14.669-z0);\coordinate (AH3) at (9.204-x0, 15.875-y0, 15.084-z0);\coordinate (AH5) at (9.145-x0, 13.320-y0, 14.307-z0);\coordinate (BN) at (10.901-x0, 18.110-y0, 9.443-z0);\coordinate (BCA) at (10.841-x0, 18.579-y0, 10.830-z0);\coordinate (BC) at (11.306-x0, 20.043-y0, 10.740-z0);\coordinate (BO) at (12.038-x0, 20.420-y0, 9.802-z0);\coordinate (BCB) at (11.838-x0, 17.794-y0, 11.671-z0);\coordinate (BSG) at (11.405-x0, 16.028-y0, 11.754-z0);\coordinate (BH1) at (11.610-x0, 17.449-y0, 9.160-z0);\coordinate (BH2) at (9.854-x0, 18.465-y0, 11.278-z0);\coordinate (BH3) at (11.819-x0, 18.196-y0, 12.684-z0);\coordinate (BH4) at (12.830-x0, 17.895-y0, 11.230-z0);\foreach \labelx /\labely in {ACB/AH2, ACB/AH3, BCB/BH3, BCB/BH4}\draw[line width = lw, Pink1] (\labelx) -- (\labely);\foreach \labelx /\labely /\labelz in {ACA/ACB/ASG, BCA/BCB/BSG}\draw[line width = lw, gray] (\labelx) -- (\labely) -- (\labelz);\draw[line width = lw, Yellow3] (ASG) -- (BSG);\foreach \label in {ACA, ACB, BCA, BCB}\shade[ball color = black, opacity=opc] (\label) circle (vdw*1.70 mm);\foreach \label in {ASG, BSG}\shade[ball color = Yellow1, opacity=opc] (\label) circle (vdw*1.80 mm);\foreach \label in {AH2, AH3, BH3, BH4}\shade[ball color = white, opacity=opc] (\label) circle (vdw*1.20 mm);\foreach \label in {ACA, BCA}\node[white] at (\label) {\scriptsize $\rm C_\alpha$};\end{tikzpicture}](https://gaia-sb.iwate-med.ac.jp/pharm/filter/tex/pix.php/30eb39be848e63e6d11c9502ef34f6a9.svg "\tdplotsetmaincoords{120}{15}\begin{tikzpicture}[scale=1,tdplot_main_coords,scale=0.7,,rotate=70,declare function = {opc=0.9;PDB=3DH5; sg=P3221;a=64.129; b=64.129; c=63.803; alpha=90; beta=90; gamma=120;x0=10.531; y0=15.975; z0=12.2455;vdw=2; lw=3;}]\coordinate (AN) at (10.143-x0, 13.311-y0, 14.464-z0);\coordinate (ACA) at (10.844-x0, 14.520-y0, 14.906-z0);\coordinate (AC) at (10.910-x0, 14.484-y0, 16.430-z0);\coordinate (AO) at (9.881-x0, 14.379-y0, 17.086-z0);\coordinate (ACB) at (10.117-x0, 15.802-y0, 14.493-z0);\coordinate (ASG) at (9.657-x0, 15.922-y0, 12.737-z0);\coordinate (AH1) at (11.831-x0, 14.532-y0, 14.443-z0);\coordinate (AH2) at (10.824-x0, 16.612-y0, 14.669-z0);\coordinate (AH3) at (9.204-x0, 15.875-y0, 15.084-z0);\coordinate (AH5) at (9.145-x0, 13.320-y0, 14.307-z0);\coordinate (BN) at (10.901-x0, 18.110-y0, 9.443-z0);\coordinate (BCA) at (10.841-x0, 18.579-y0, 10.830-z0);\coordinate (BC) at (11.306-x0, 20.043-y0, 10.740-z0);\coordinate (BO) at (12.038-x0, 20.420-y0, 9.802-z0);\coordinate (BCB) at (11.838-x0, 17.794-y0, 11.671-z0);\coordinate (BSG) at (11.405-x0, 16.028-y0, 11.754-z0);\coordinate (BH1) at (11.610-x0, 17.449-y0, 9.160-z0);\coordinate (BH2) at (9.854-x0, 18.465-y0, 11.278-z0);\coordinate (BH3) at (11.819-x0, 18.196-y0, 12.684-z0);\coordinate (BH4) at (12.830-x0, 17.895-y0, 11.230-z0);\foreach \labelx /\labely in {ACB/AH2, ACB/AH3, BCB/BH3, BCB/BH4}\draw[line width = lw, Pink1] (\labelx) -- (\labely);\foreach \labelx /\labely /\labelz in {ACA/ACB/ASG, BCA/BCB/BSG}\draw[line width = lw, gray] (\labelx) -- (\labely) -- (\labelz);\draw[line width = lw, Yellow3] (ASG) -- (BSG);\foreach \label in {ACA, ACB, BCA, BCB}\shade[ball color = black, opacity=opc] (\label) circle (vdw*1.70 mm);\foreach \label in {ASG, BSG}\shade[ball color = Yellow1, opacity=opc] (\label) circle (vdw*1.80 mm);\foreach \label in {AH2, AH3, BH3, BH4}\shade[ball color = white, opacity=opc] (\label) circle (vdw*1.20 mm);\foreach \label in {ACA, BCA}\node[white] at (\label) {\scriptsize $\rm C_\alpha$};\end{tikzpicture}")
ジスルフィド結合