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Calcium in PDB 1q8h: Crystal Structure of Porcine Osteocalcin

Protein crystallography data

The structure of Crystal Structure of Porcine Osteocalcin, PDB code: 1q8h was solved by Q.Q.Hoang, F.Sicheri, A.J.Howard, D.S.Yang, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 27.72 / 2.00
Space group P 31 2 1
Cell size a, b, c (Å), α, β, γ (°) 51.491, 51.491, 35.389, 90.00, 90.00, 120.00
R / Rfree (%) 25.5 / 28.3

Calcium Binding Sites:

The binding sites of Calcium atom in the Crystal Structure of Porcine Osteocalcin (pdb code 1q8h). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 3 binding sites of Calcium where determined in the Crystal Structure of Porcine Osteocalcin, PDB code: 1q8h:
Jump to Calcium binding site number: 1; 2; 3;

Calcium binding site 1 out of 3 in 1q8h

Go back to Calcium Binding Sites List in 1q8h
Calcium binding site 1 out of 3 in the Crystal Structure of Porcine Osteocalcin


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Crystal Structure of Porcine Osteocalcin within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca71

b:22.2
occ:1.00
OE11 A:CGU24 2.5 29.8 1.0
OE22 A:CGU24 2.5 24.9 1.0
O A:HOH87 2.6 24.9 1.0
CD1 A:CGU24 3.4 24.8 1.0
CD2 A:CGU24 3.4 27.4 1.0
O A:HOH88 3.7 29.5 1.0
CA A:CA72 3.8 30.5 1.0
CG A:CGU24 3.9 26.2 1.0
CA A:CA73 4.0 50.8 0.5
O A:HOH78 4.3 23.1 1.0
OE12 A:CGU24 4.3 25.0 1.0
OE21 A:CGU24 4.4 28.9 1.0
CB A:CGU24 4.6 26.1 1.0
O A:HOH99 4.8 48.1 1.0

Calcium binding site 2 out of 3 in 1q8h

Go back to Calcium Binding Sites List in 1q8h
Calcium binding site 2 out of 3 in the Crystal Structure of Porcine Osteocalcin


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of Crystal Structure of Porcine Osteocalcin within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca72

b:30.5
occ:1.00
O A:HOH88 2.1 29.5 1.0
OE11 A:CGU24 2.3 29.8 1.0
O A:HOH118 2.4 29.6 1.0
OD1 A:ASP30 2.5 32.5 1.0
O A:HOH97 2.6 28.1 1.0
OE12 A:CGU24 2.7 25.0 1.0
CD1 A:CGU24 2.9 24.8 1.0
CG A:ASP30 3.4 32.2 1.0
OD2 A:ASP30 3.7 31.8 1.0
CA A:CA71 3.8 22.2 1.0
O A:HOH132 3.8 35.4 1.0
CG A:CGU24 4.4 26.2 1.0
OD1 A:ASP34 4.5 41.8 1.0
O A:ASP30 4.7 34.5 1.0
CB A:ASP30 4.7 33.2 1.0
OE22 A:CGU24 4.8 24.9 1.0
O A:HOH78 4.9 23.1 1.0
O A:HOH102 4.9 42.9 1.0
CA A:ASP30 5.0 34.1 1.0

Calcium binding site 3 out of 3 in 1q8h

Go back to Calcium Binding Sites List in 1q8h
Calcium binding site 3 out of 3 in the Crystal Structure of Porcine Osteocalcin


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 3 of Crystal Structure of Porcine Osteocalcin within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca73

b:50.8
occ:0.50
O A:HOH93 2.4 25.5 1.0
OE22 A:CGU24 2.5 24.9 1.0
OE11 A:CGU21 2.8 27.2 1.0
OE21 A:CGU24 3.0 28.9 1.0
CD2 A:CGU24 3.1 27.4 1.0
CD1 A:CGU21 3.6 28.0 1.0
O A:HOH99 3.6 48.1 1.0
OE12 A:CGU21 3.9 25.2 1.0
CA A:CA71 4.0 22.2 1.0
OE12 A:CGU17 4.2 27.0 1.0
CG A:CGU24 4.6 26.2 1.0
O A:HOH75 4.8 24.9 1.0
CG A:CGU21 4.8 26.5 1.0

Reference:

Q.Q.Hoang, F.Sicheri, A.J.Howard, D.S.Yang. Bone Recognition Mechanism of Porcine Osteocalcin From Crystal Structure. Nature V. 425 977 2003.
ISSN: ISSN 0028-0836
PubMed: 14586470
DOI: 10.1038/NATURE02079
Page generated: Thu Jul 11 14:05:37 2024

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