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Copper in PDB 1aqp: Ribonuclease A Copper Complex

Enzymatic activity of Ribonuclease A Copper Complex

All present enzymatic activity of Ribonuclease A Copper Complex:
3.1.27.5;

Protein crystallography data

The structure of Ribonuclease A Copper Complex, PDB code: 1aqp was solved by N.Ramasubbu, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 8.00 / 2.00
Space group C 1 2 1
Cell size a, b, c (Å), α, β, γ (°) 58.180, 53.800, 42.900, 90.00, 118.90, 90.00
R / Rfree (%) 20 / n/a

Copper Binding Sites:

The binding sites of Copper atom in the Ribonuclease A Copper Complex (pdb code 1aqp). This binding sites where shown within 5.0 Angstroms radius around Copper atom.
In total 2 binding sites of Copper where determined in the Ribonuclease A Copper Complex, PDB code: 1aqp:
Jump to Copper binding site number: 1; 2;

Copper binding site 1 out of 2 in 1aqp

Go back to Copper Binding Sites List in 1aqp
Copper binding site 1 out of 2 in the Ribonuclease A Copper Complex


Mono view


Stereo pair view

A full contact list of Copper with other atoms in the Cu binding site number 1 of Ribonuclease A Copper Complex within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Cu125

b:21.7
occ:1.00
HE2 A:HIS105 1.1 0.0 1.0
NE2 A:HIS105 2.0 11.7 1.0
O A:TYR76 2.3 14.0 1.0
CE1 A:HIS105 2.9 17.0 1.0
CD2 A:HIS105 3.1 13.9 1.0
C A:TYR76 3.5 13.7 1.0
CA A:SER77 4.0 15.7 1.0
ND1 A:HIS105 4.1 16.1 1.0
CG A:HIS105 4.2 16.7 1.0
N A:SER77 4.2 15.3 1.0
C A:SER77 4.5 17.6 1.0
CA A:TYR76 4.7 16.1 1.0
H A:THR78 4.7 0.0 1.0
N A:THR78 4.9 16.7 1.0
O A:SER75 4.9 9.4 1.0
HD1 A:HIS105 4.9 0.0 1.0

Copper binding site 2 out of 2 in 1aqp

Go back to Copper Binding Sites List in 1aqp
Copper binding site 2 out of 2 in the Ribonuclease A Copper Complex


Mono view


Stereo pair view

A full contact list of Copper with other atoms in the Cu binding site number 2 of Ribonuclease A Copper Complex within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Cu147

b:39.0
occ:1.00
HE2 A:HIS119 1.2 0.0 1.0
NE2 A:HIS119 2.1 23.7 1.0
OE2 A:GLU111 2.1 26.4 1.0
O A:HOH180 2.1 40.9 1.0
O A:HOH146 2.4 35.9 1.0
H2 A:HOH180 2.5 0.0 1.0
O A:HOH128 2.6 12.9 1.0
CD A:GLU111 3.0 23.1 1.0
H1 A:HOH180 3.0 0.0 1.0
H2 A:HOH146 3.0 0.0 1.0
CD2 A:HIS119 3.0 20.4 1.0
H1 A:HOH146 3.1 0.0 1.0
CE1 A:HIS119 3.1 22.4 1.0
H2 A:HOH128 3.2 0.0 1.0
OE1 A:GLU111 3.2 28.4 1.0
H1 A:HOH128 3.3 0.0 1.0
CG A:HIS119 4.2 20.6 1.0
ND1 A:HIS119 4.2 23.2 1.0
CG1 A:VAL118 4.2 19.0 1.0
CG A:GLU111 4.4 18.7 1.0
O A:HOH203 4.7 35.3 1.0
O A:HOH202 4.7 39.2 1.0
H1 A:HOH203 4.9 0.0 1.0
H1 A:HOH144 5.0 0.0 1.0

Reference:

R.Balakrishnan, N.Ramasubbu, K.I.Varughese, R.Parthasarathy. Crystal Structures of the Copper and Nickel Complexes of Rnase A: Metal-Induced Interprotein Interactions and Identification of A Novel Copper Binding Motif. Proc.Natl.Acad.Sci.Usa V. 94 9620 1997.
ISSN: ISSN 0027-8424
PubMed: 9275172
DOI: 10.1073/PNAS.94.18.9620
Page generated: Wed Sep 2 21:33:27 2020
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