Calcium in PDB 1jc9: Tachylectin 5A From Tachypleus Tridentatus (Japanese Horseshoe Crab)

The structure of Tachylectin 5A From Tachypleus Tridentatus (Japanese Horseshoe Crab), PDB code: 1jc9 was solved by N.Kairies, H.-G.Beisel, P.Fuentes-Prior, R.Tsuda, T.Muta, S.Iwanaga, W.Bode, R.Huber, S.Kawabata, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	15.25 / 2.01
Space group	I 4
Cell size a, b, c (Å), α, β, γ (°)	108.934, 108.934, 64.059, 90.00, 90.00, 90.00
R / Rfree (%)	18.3 / 19.8

The binding sites of Calcium atom in the Tachylectin 5A From Tachypleus Tridentatus (Japanese Horseshoe Crab) (pdb code 1jc9). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total only one binding site of Calcium was determined in the Tachylectin 5A From Tachypleus Tridentatus (Japanese Horseshoe Crab), PDB code: 1jc9:

Calcium binding site 1 out of 1 in the Tachylectin 5A From Tachypleus Tridentatus (Japanese Horseshoe Crab)


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Tachylectin 5A From Tachypleus Tridentatus (Japanese Horseshoe Crab) within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca301 b:28.0 occ:1.00 O A:HOH362 2.3 35.3 1.0 OD2 A:ASP198 2.3 30.3 1.0 O A:THR204 2.3 32.9 1.0 OD2 A:ASP200 2.4 23.4 1.0 O A:HIS202 2.5 39.2 1.0 OD1 A:ASP198 2.6 30.9 1.0 O A:HOH341 2.6 35.4 1.0 CG A:ASP198 2.8 29.0 1.0 CG A:ASP200 3.1 25.1 1.0 OD1 A:ASP200 3.3 21.7 1.0 C A:THR204 3.5 34.1 1.0 C A:HIS202 3.6 39.6 1.0 N A:HIS202 4.1 36.9 1.0 C A:GLU203 4.2 39.8 1.0 O A:GLU203 4.2 40.8 1.0 CB A:ASP198 4.3 27.9 1.0 N A:THR204 4.3 37.9 1.0 CA A:HIS202 4.3 38.9 1.0 O A:ASP200 4.3 31.5 1.0 N A:HIS205 4.3 33.2 1.0 CA A:HIS205 4.3 32.8 1.0 CA A:THR204 4.4 36.7 1.0 CB A:ASP200 4.5 24.0 1.0 C A:ASP200 4.5 30.1 1.0 N A:GLU203 4.5 40.2 1.0 CB A:HIS202 4.6 40.6 1.0 O A:HOH394 4.6 57.6 1.0 N A:ASP200 4.7 25.7 1.0 CA A:GLU203 4.7 41.8 1.0 CA A:ASP200 4.8 27.8 1.0 N A:CYS206 4.9 27.5 1.0

N.Kairies, H.G.Beisel, P.Fuentes-Prior, R.Tsuda, T.Muta, S.Iwanaga, W.Bode, R.Huber, S.Kawabata. The 2.0-A Crystal Structure of Tachylectin 5A Provides Evidence For the Common Origin of the Innate Immunity and the Blood Coagulation Systems. Proc.Natl.Acad.Sci.Usa V. 98 13519 2001.
ISSN: ISSN 0027-8424
PubMed: 11707569
DOI: 10.1073/PNAS.201523798