Calcium in the structure of Crystal Structure Analysis of the Trichosanthin Delta C7 (pdb 1j4g)

The binding sites of Calcium atom in the structure of Crystal Structure Analysis of the Trichosanthin Delta C7 (pdb code 1j4g). This binding sites where shown with 5.0 Angstroms radius around Calcium atom. The 1j4g structure was solved by Y.DING, H.M.TOO, Z.L.WANG, Y.W.LIU, Y.C.DONG, P.C.SHAW, Z.H.RAO, with X-Ray Crystallography technique, brief refinement statistics is given in the table below: Resolution (A) 30.0-2.0 Space group P1211 a (A) 71.560 b (A) 74.400 c (A) 87.560 alpha (°) 90.00 beta (°) 96.96 gamma (°) 90.00 Rfactor (%) 17.4 Rfree (%) 23.5 Calcium Binding Sites: Calcium binding site 1 out of 4 in 1j4g Click to enlarge Click to enlarge Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 1 of Calcium in the PDB 1j4g. Coordination sphere was calculated for all residues within 5.0 Angstroms distance from the central Calcium atom, shown by VdW sphere Residues shown as a stick model or VDW spheres: A: Leu36, A: Leu37, A: Ser39, A: Gln200, A: Leu240, A: Hoh1332, A: Hoh1335, A: Hoh1343, A: Hoh1346, A: Hoh1379, conact list: Atom Atom Distance (A) Ca CD1 A:Leu36 4.64 Ca O A:Leu37 4.48 Ca N A:Ser39 4.99 Ca CB A:Ser39 4.41 Ca CA A:Ser39 4.53 Ca NE2 A:Gln200 4.34 Ca OE1 A:Gln200 4.42 Ca CD A:Gln200 4.82 Ca O A:Leu240 4.48 Ca O A:Hoh1332 2.29 Ca O A:Hoh1335 2.55 Ca O A:Hoh1343 2.30 Ca O A:Hoh1346 2.67 Ca O A:Hoh1379 2.54 interactive model: Calcium binding site 2 out of 4 in 1j4g Click to enlarge Click to enlarge Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 2 of Calcium in the PDB 1j4g. Coordination sphere was calculated for all residues within 5.0 Angstroms distance from the central Calcium atom, shown by VdW sphere Residues shown as a stick model or VDW spheres: B: Leu37, B: Arg38, B: Ser39, B: Thr67, B: Gln200, B: Leu240, B: Hoh1232, B: Hoh1252, B: Hoh1301, B: Hoh1307, B: Hoh1316, B: Hoh1373, conact list: Atom Atom Distance (A) Ca O B:Leu37 4.54 Ca O B:Arg38 4.88 Ca CB B:Ser39 4.76 Ca CA B:Ser39 4.73 Ca O B:Thr67 4.52 Ca NE2 B:Gln200 4.49 Ca O B:Leu240 4.44 Ca C B:Leu240 4.97 Ca O B:Hoh1232 2.37 Ca O B:Hoh1252 2.38 Ca O B:Hoh1301 2.52 Ca O B:Hoh1307 2.45 Ca O B:Hoh1316 3.06 Ca O B:Hoh1373 4.47 interactive model: Calcium binding site 3 out of 4 in 1j4g Click to enlarge Click to enlarge Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 3 of Calcium in the PDB 1j4g. Coordination sphere was calculated for all residues within 5.0 Angstroms distance from the central Calcium atom, shown by VdW sphere Residues shown as a stick model or VDW spheres: C: Leu36, C: Leu37, C: Thr67, C: Trp192, C: Ser196, C: Gln200, C: Leu240, C: Hoh1277, C: Hoh1320, C: Hoh1342, C: Hoh1372, C: Hoh1434, C: Hoh1448, conact list: Atom Atom Distance (A) Ca CD1 C:Leu36 4.65 Ca CB C:Leu37 4.90 Ca CD1 C:Leu37 4.74 Ca O C:Thr67 4.72 Ca CH2 C:Trp192 4.97 Ca OG C:Ser196 4.15 Ca NE2 C:Gln200 4.13 Ca O C:Leu240 3.68 Ca C C:Leu240 3.49 Ca CA C:Leu240 4.89 Ca O C:Hoh1277 2.49 Ca O C:Hoh1320 4.50 Ca O C:Hoh1342 3.56 Ca O C:Hoh1372 2.41 Ca O C:Hoh1434 3.87 Ca O C:Hoh1448 4.01 interactive model: Calcium binding site 4 out of 4 in 1j4g Click to enlarge Click to enlarge Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 4 of Calcium in the PDB 1j4g. Coordination sphere was calculated for all residues within 5.0 Angstroms distance from the central Calcium atom, shown by VdW sphere Residues shown as a stick model or VDW spheres: D: Leu37, D: Arg38, D: Ser39, D: Thr67, D: Gln200, D: Leu240, D: Hoh1225, D: Hoh1313, D: Hoh1339, D: Hoh1345, D: Hoh1362, conact list: Atom Atom Distance (A) Ca O D:Leu37 4.31 Ca O D:Arg38 4.99 Ca N D:Ser39 4.93 Ca CB D:Ser39 4.18 Ca CA D:Ser39 4.38 Ca O D:Thr67 4.65 Ca NE2 D:Gln200 4.49 Ca OE1 D:Gln200 4.43 Ca CD D:Gln200 4.92 Ca O D:Leu240 4.51 Ca O D:Hoh1225 2.42 Ca O D:Hoh1313 3.94 Ca O D:Hoh1339 2.34 Ca O D:Hoh1345 2.66 Ca O D:Hoh1362 2.64 interactive model: