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Calcium in PDB 1px2: Crystal Structure of Rat Synapsin I C Domain Complexed to Ca.Atp (Form 1)

Protein crystallography data

The structure of Crystal Structure of Rat Synapsin I C Domain Complexed to Ca.Atp (Form 1), PDB code: 1px2 was solved by C.A.Brautigam, Y.Chelliah, J.Deisenhofer, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 20.00 / 2.23
Space group P 65 2 2
Cell size a, b, c (Å), α, β, γ (°) 96.000, 96.000, 305.800, 90.00, 90.00, 120.00
R / Rfree (%) 20.3 / 24

Calcium Binding Sites:

The binding sites of Calcium atom in the Crystal Structure of Rat Synapsin I C Domain Complexed to Ca.Atp (Form 1) (pdb code 1px2). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 2 binding sites of Calcium where determined in the Crystal Structure of Rat Synapsin I C Domain Complexed to Ca.Atp (Form 1), PDB code: 1px2:
Jump to Calcium binding site number: 1; 2;

Calcium binding site 1 out of 2 in 1px2

Go back to Calcium Binding Sites List in 1px2
Calcium binding site 1 out of 2 in the Crystal Structure of Rat Synapsin I C Domain Complexed to Ca.Atp (Form 1)


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 Rat Synapsin I C Domain Complexed to Ca.Atp (Form 1) within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca817

b:72.8
occ:1.00
OE2 A:GLU386 2.4 48.9 1.0
O3G A:ATP800 2.4 52.8 0.4
O2A A:ATP800 2.4 37.2 0.6
O2A A:ATP800 2.5 48.8 0.4
O1G A:ATP800 2.6 52.3 0.4
O1G A:ATP800 2.6 33.2 0.6
PG A:ATP800 2.7 53.1 0.4
O3B A:ATP800 2.9 51.7 0.4
O A:HOH832 3.2 45.5 1.0
O2B A:ATP800 3.3 34.9 0.6
CD A:GLU386 3.3 47.5 1.0
OE1 A:GLU386 3.4 48.9 1.0
O1B A:ATP800 3.5 51.1 0.4
OE2 A:GLU373 3.6 62.9 1.0
PB A:ATP800 3.8 50.4 0.4
PA A:ATP800 3.8 36.1 0.6
PG A:ATP800 3.8 31.7 0.6
PA A:ATP800 3.8 48.2 0.4
O3B A:ATP800 3.8 33.5 0.6
PB A:ATP800 4.0 34.4 0.6
CD A:GLU373 4.1 58.5 1.0
O3A A:ATP800 4.1 49.9 0.4
O2G A:ATP800 4.1 52.8 0.4
O3A A:ATP800 4.1 35.3 0.6
O A:HOH866 4.4 37.9 1.0
OE1 A:GLU373 4.5 62.6 1.0
O3G A:ATP800 4.6 25.8 0.6
CG A:GLU386 4.7 44.6 1.0
C5' A:ATP800 4.7 38.8 0.6
C5' A:ATP800 4.7 45.8 0.4
O3' A:ATP800 4.7 40.9 0.6
CG A:GLU373 4.7 54.2 1.0
O5' A:ATP800 4.8 47.8 0.4
O5' A:ATP800 4.8 38.5 0.6
O1A A:ATP800 4.8 34.9 0.6
O1A A:ATP800 4.9 47.7 0.4
CG1 A:VAL388 4.9 38.6 1.0

Calcium binding site 2 out of 2 in 1px2

Go back to Calcium Binding Sites List in 1px2
Calcium binding site 2 out of 2 in the Crystal Structure of Rat Synapsin I C Domain Complexed to Ca.Atp (Form 1)


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 Rat Synapsin I C Domain Complexed to Ca.Atp (Form 1) within 5.0Å range:
probe atom residue distance (Å) B Occ
B:Ca817

b:48.4
occ:1.00
OE2 B:GLU373 2.2 40.5 0.5
O3G B:ATP800 2.3 48.4 0.5
O2A B:ATP800 2.4 45.1 0.5
O2A B:ATP800 2.5 30.4 0.6
O2B B:ATP800 2.6 28.6 0.6
OE2 B:GLU386 2.7 32.8 1.0
PG B:ATP800 2.9 48.4 0.5
O3G B:ATP800 2.9 23.2 0.6
O B:HOH883 3.0 54.0 1.0
O3B B:ATP800 3.0 47.5 0.5
CD B:GLU373 3.0 39.0 0.5
O1B B:ATP800 3.1 46.8 0.5
O1G B:ATP800 3.1 48.3 0.5
OE1 B:GLU373 3.1 39.2 0.5
O B:HOH916 3.3 53.8 1.0
O3B B:ATP800 3.3 26.7 0.6
PB B:ATP800 3.4 26.8 0.6
PB B:ATP800 3.5 46.2 0.5
PA B:ATP800 3.7 28.5 0.6
PA B:ATP800 3.7 44.4 0.5
CD B:GLU386 3.7 35.2 1.0
PG B:ATP800 3.7 26.6 0.6
O3A B:ATP800 3.8 28.1 0.6
O3A B:ATP800 3.9 45.0 0.5
OE1 B:GLU386 4.1 37.2 1.0
O2G B:ATP800 4.1 22.8 0.6
O2G B:ATP800 4.2 47.8 0.5
O B:HOH881 4.4 44.3 1.0
CG B:GLU373 4.5 38.1 0.5
O1A B:ATP800 4.6 28.0 0.6
CD B:GLU373 4.6 49.9 0.5
OE1 B:GLU373 4.7 51.6 0.5
O5' B:ATP800 4.7 43.8 0.5
C5' B:ATP800 4.7 43.0 0.5
O1A B:ATP800 4.7 44.0 0.5
CG B:GLU373 4.8 47.5 0.5
O3' B:ATP800 4.8 32.3 0.6
O5' B:ATP800 4.8 29.6 0.6
O1B B:ATP800 4.9 27.4 0.6
OE2 B:GLU373 4.9 51.3 0.5
C5' B:ATP800 4.9 30.5 0.6
CG1 B:VAL388 5.0 30.6 1.0
O2B B:ATP800 5.0 45.7 0.5

Reference:

C.A.Brautigam, Y.Chelliah, J.Deisenhofer. Tetramerization and Atp Binding By A Protein Comprising the A, B, and C Domains of Rat Synapsin I. J.Biol.Chem. V. 279 11948 2004.
ISSN: ISSN 0021-9258
PubMed: 14688264
DOI: 10.1074/JBC.M312015200
Page generated: Thu Jul 11 13:55:09 2024

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