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Calcium in PDB 3poi: Crystal Structure of Masp-1 CUB2 Domain Bound to Methylamine

Protein crystallography data

The structure of Crystal Structure of Masp-1 CUB2 Domain Bound to Methylamine, PDB code: 3poi was solved by A.R.Gingras, P.C.E.Moody, R.Wallis, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 44.98 / 1.70
Space group P 21 3
Cell size a, b, c (Å), α, β, γ (°) 100.570, 100.570, 100.570, 90.00, 90.00, 90.00
R / Rfree (%) 11.9 / 15.6

Calcium Binding Sites:

The binding sites of Calcium atom in the Crystal Structure of Masp-1 CUB2 Domain Bound to Methylamine (pdb code 3poi). 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 Masp-1 CUB2 Domain Bound to Methylamine, PDB code: 3poi:
Jump to Calcium binding site number: 1; 2;

Calcium binding site 1 out of 2 in 3poi

Go back to Calcium Binding Sites List in 3poi
Calcium binding site 1 out of 2 in the Crystal Structure of Masp-1 CUB2 Domain Bound to Methylamine


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 Masp-1 CUB2 Domain Bound to Methylamine within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca1

b:10.6
occ:1.00
OE1 A:GLU216 2.2 11.1 1.0
O A:SER265 2.3 12.4 1.0
O A:HOH7 2.4 9.0 1.0
OD1 A:ASP263 2.4 10.1 1.0
OD2 A:ASP226 2.4 9.1 1.0
O A:HOH14 2.5 8.9 1.0
OD1 A:ASP226 2.7 9.1 1.0
CG A:ASP226 2.9 8.3 1.0
CD A:GLU216 3.5 11.8 1.0
CG A:ASP263 3.5 12.1 1.0
C A:SER265 3.5 14.1 1.0
CB A:GLU216 4.1 9.6 1.0
OD2 A:ASP263 4.1 14.1 1.0
N A:ASP263 4.2 8.3 1.0
N A:NME2 4.2 17.7 1.0
O A:ASP263 4.3 11.5 1.0
CA A:GLY266 4.3 13.7 1.0
OE2 A:GLU216 4.3 17.0 1.0
N A:SER265 4.3 15.2 1.0
N A:GLY266 4.4 13.4 1.0
CG A:GLU216 4.4 11.1 1.0
C A:ASP263 4.4 11.0 1.0
CB A:ASP226 4.4 7.3 1.0
O A:HOH49 4.5 17.7 1.0
CA A:SER265 4.5 16.4 1.0
CE1 A:TYR187 4.5 6.3 1.0
OH A:TYR187 4.6 7.4 1.0
CB A:ASP263 4.6 11.4 1.0
CA A:ASP263 4.6 10.2 1.0
CB A:TYR225 4.7 9.5 1.0
CB A:SER262 4.7 7.9 1.0
ND2 A:ASN268 4.8 6.1 1.0
C A:GLY266 4.8 13.7 1.0

Calcium binding site 2 out of 2 in 3poi

Go back to Calcium Binding Sites List in 3poi
Calcium binding site 2 out of 2 in the Crystal Structure of Masp-1 CUB2 Domain Bound to Methylamine


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 Masp-1 CUB2 Domain Bound to Methylamine within 5.0Å range:
probe atom residue distance (Å) B Occ
B:Ca1

b:10.8
occ:1.00
OE1 B:GLU216 2.3 16.6 1.0
O B:SER265 2.3 12.8 1.0
OD1 B:ASP263 2.4 9.9 1.0
OD2 B:ASP226 2.4 8.2 1.0
O B:HOH8 2.4 9.5 1.0
O B:HOH4 2.5 9.4 1.0
OD1 B:ASP226 3.1 8.8 1.0
CG B:ASP226 3.1 7.0 1.0
CG B:ASP263 3.5 11.4 1.0
CD B:GLU216 3.5 15.9 1.0
C B:SER265 3.5 13.8 1.0
OD2 B:ASP263 4.0 16.0 1.0
CB B:GLU216 4.0 9.8 1.0
O B:ASP263 4.2 8.7 1.0
O B:HOH138 4.3 37.2 1.0
CA B:GLY266 4.3 15.7 1.0
N B:ASP263 4.3 7.5 1.0
O B:HOH75 4.3 16.4 1.0
OE2 B:GLU216 4.3 21.8 1.0
CG B:GLU216 4.3 10.3 1.0
N B:GLY266 4.3 17.2 1.0
N B:SER265 4.4 12.9 1.0
OH B:TYR187 4.4 6.4 1.0
CE1 B:TYR187 4.4 8.1 1.0
CA B:SER265 4.5 15.2 1.0
C B:ASP263 4.5 8.9 1.0
CB B:ASP226 4.5 6.6 1.0
ND2 B:ASN268 4.6 5.8 1.0
CB B:SER262 4.6 7.4 1.0
CB B:ASP263 4.6 11.7 1.0
C B:GLY266 4.7 15.3 1.0
CA B:ASP263 4.7 9.2 1.0
OG B:SER265 4.8 22.6 1.0
O B:GLY266 4.8 16.2 1.0
CZ B:TYR187 4.8 6.1 1.0
O B:HOH99 4.9 28.5 1.0

Reference:

A.R.Gingras, U.V.Girija, A.H.Keeble, R.Panchal, D.A.Mitchell, P.C.Moody, R.Wallis. Structural Basis of Mannan-Binding Lectin Recognition By Its Associated Serine Protease Masp-1: Implications For Complement Activation. Structure V. 19 1635 2011.
ISSN: ISSN 0969-2126
PubMed: 22078562
DOI: 10.1016/J.STR.2011.08.014
Page generated: Sat Dec 12 04:24:54 2020

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