Calcium in PDB 2id4: The 1.9 A Structure of KEX2 in Complex with An Ac-R-E-R-K-Chloromethyl Ketone Inhibitor.
Enzymatic activity of The 1.9 A Structure of KEX2 in Complex with An Ac-R-E-R-K-Chloromethyl Ketone Inhibitor.
All present enzymatic activity of The 1.9 A Structure of KEX2 in Complex with An Ac-R-E-R-K-Chloromethyl Ketone Inhibitor.:
3.4.21.61;
Protein crystallography data
The structure of The 1.9 A Structure of KEX2 in Complex with An Ac-R-E-R-K-Chloromethyl Ketone Inhibitor., PDB code: 2id4
was solved by
J.L.Wheatley,
T.Holyoak,
with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:
Resolution Low / High (Å)
|
40.79 /
1.90
|
Space group
|
P 65 2 2
|
Cell size a, b, c (Å), α, β, γ (°)
|
112.851,
112.851,
370.165,
90.00,
90.00,
120.00
|
R / Rfree (%)
|
17.7 /
20.6
|
Other elements in 2id4:
The structure of The 1.9 A Structure of KEX2 in Complex with An Ac-R-E-R-K-Chloromethyl Ketone Inhibitor. also contains other interesting chemical elements:
Calcium Binding Sites:
The binding sites of Calcium atom in the The 1.9 A Structure of KEX2 in Complex with An Ac-R-E-R-K-Chloromethyl Ketone Inhibitor.
(pdb code 2id4). This binding sites where shown within
5.0 Angstroms radius around Calcium atom.
In total 4 binding sites of Calcium where determined in the
The 1.9 A Structure of KEX2 in Complex with An Ac-R-E-R-K-Chloromethyl Ketone Inhibitor., PDB code: 2id4:
Jump to Calcium binding site number:
1;
2;
3;
4;
Calcium binding site 1 out
of 4 in 2id4
Go back to
Calcium Binding Sites List in 2id4
Calcium binding site 1 out
of 4 in the The 1.9 A Structure of KEX2 in Complex with An Ac-R-E-R-K-Chloromethyl Ketone Inhibitor.
Mono view
Stereo pair view
|
A full contact list of Calcium with other atoms in the Ca binding
site number 1 of The 1.9 A Structure of KEX2 in Complex with An Ac-R-E-R-K-Chloromethyl Ketone Inhibitor. within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Ca901
b:29.0
occ:1.00
|
OD2
|
A:ASP277
|
2.3
|
25.1
|
1.0
|
O
|
A:HOH912
|
2.4
|
25.8
|
1.0
|
O
|
A:HOH945
|
2.4
|
27.2
|
1.0
|
OD2
|
A:ASP320
|
2.4
|
22.9
|
1.0
|
O
|
A:HOH938
|
2.4
|
28.5
|
1.0
|
OE2
|
A:GLU350
|
2.5
|
30.3
|
1.0
|
OE1
|
A:GLU350
|
2.5
|
28.2
|
1.0
|
CD
|
A:GLU350
|
2.8
|
30.0
|
1.0
|
CG
|
A:ASP320
|
3.3
|
25.4
|
1.0
|
CG
|
A:ASP277
|
3.4
|
24.7
|
1.0
|
OD1
|
A:ASP320
|
3.9
|
23.4
|
1.0
|
CA
|
A:ASP277
|
4.0
|
26.7
|
1.0
|
CB
|
A:ASP277
|
4.0
|
26.2
|
1.0
|
NZ
|
C:LYK5
|
4.2
|
28.9
|
1.0
|
CB
|
A:ASP320
|
4.2
|
26.2
|
1.0
|
O
|
A:HOH927
|
4.3
|
35.6
|
1.0
|
CG
|
A:GLU350
|
4.3
|
29.1
|
1.0
|
OD1
|
A:ASP277
|
4.4
|
23.5
|
1.0
|
CA
|
A:GLY313
|
4.4
|
26.9
|
1.0
|
O
|
A:SER312
|
4.4
|
27.7
|
1.0
|
O
|
A:ASN321
|
4.5
|
26.6
|
1.0
|
OD1
|
A:ASP325
|
4.5
|
27.0
|
1.0
|
O
|
A:HOH913
|
4.5
|
28.6
|
1.0
|
O
|
A:ALA276
|
4.6
|
27.4
|
1.0
|
CB
|
A:ASP325
|
4.6
|
26.1
|
1.0
|
O
|
A:PRO275
|
4.7
|
28.0
|
1.0
|
N
|
A:ASP277
|
4.8
|
26.9
|
1.0
|
C
|
A:ASN321
|
4.9
|
26.8
|
1.0
|
C
|
A:ALA276
|
5.0
|
27.6
|
1.0
|
|
Calcium binding site 2 out
of 4 in 2id4
Go back to
Calcium Binding Sites List in 2id4
Calcium binding site 2 out
of 4 in the The 1.9 A Structure of KEX2 in Complex with An Ac-R-E-R-K-Chloromethyl Ketone Inhibitor.
Mono view
Stereo pair view
|
A full contact list of Calcium with other atoms in the Ca binding
site number 2 of The 1.9 A Structure of KEX2 in Complex with An Ac-R-E-R-K-Chloromethyl Ketone Inhibitor. within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Ca906
b:39.5
occ:1.00
|
O
|
A:LYS224
|
2.3
|
27.6
|
1.0
|
OD1
|
A:ASP135
|
2.3
|
29.4
|
1.0
|
O
|
A:PHE229
|
2.3
|
27.2
|
1.0
|
OD1
|
A:ASP184
|
2.4
|
29.9
|
1.0
|
O
|
A:GLY231
|
2.4
|
27.3
|
1.0
|
OD1
|
A:ASN227
|
2.5
|
21.9
|
1.0
|
OD2
|
A:ASP184
|
2.7
|
28.8
|
1.0
|
CG
|
A:ASP184
|
2.9
|
28.8
|
1.0
|
CG
|
A:ASP135
|
3.4
|
29.0
|
1.0
|
C
|
A:LYS224
|
3.5
|
28.1
|
1.0
|
CG
|
A:ASN227
|
3.5
|
25.7
|
1.0
|
C
|
A:PHE229
|
3.5
|
27.5
|
1.0
|
C
|
A:GLY231
|
3.6
|
27.1
|
1.0
|
ND2
|
A:ASN227
|
4.0
|
25.4
|
1.0
|
CB
|
A:ASP135
|
4.0
|
28.5
|
1.0
|
N
|
A:GLY231
|
4.1
|
27.4
|
1.0
|
C
|
A:CYS230
|
4.2
|
27.6
|
1.0
|
CA
|
A:LYS224
|
4.3
|
28.2
|
1.0
|
N
|
A:PHE229
|
4.3
|
27.3
|
1.0
|
N
|
A:LYS224
|
4.3
|
28.1
|
1.0
|
CA
|
A:GLY231
|
4.3
|
27.1
|
1.0
|
CA
|
A:PHE229
|
4.3
|
27.5
|
1.0
|
CB
|
A:ASP184
|
4.4
|
28.8
|
1.0
|
OD2
|
A:ASP135
|
4.5
|
27.8
|
1.0
|
N
|
A:LYS225
|
4.5
|
28.2
|
1.0
|
O
|
A:CYS230
|
4.5
|
27.4
|
1.0
|
CB
|
A:LYS224
|
4.5
|
28.0
|
1.0
|
CB
|
A:PHE229
|
4.6
|
27.4
|
1.0
|
N
|
A:CYS230
|
4.6
|
27.7
|
1.0
|
N
|
A:VAL232
|
4.6
|
27.1
|
1.0
|
CA
|
A:LYS225
|
4.6
|
28.5
|
1.0
|
N
|
A:ASN227
|
4.7
|
27.1
|
1.0
|
CA
|
A:CYS230
|
4.8
|
27.9
|
1.0
|
CB
|
A:ASN227
|
4.8
|
26.6
|
1.0
|
C
|
A:ALA223
|
4.8
|
28.3
|
1.0
|
CA
|
A:VAL232
|
4.9
|
27.1
|
1.0
|
N
|
A:GLY226
|
4.9
|
28.0
|
1.0
|
CD2
|
A:PHE229
|
4.9
|
27.7
|
1.0
|
CB
|
A:ALA223
|
5.0
|
27.8
|
1.0
|
C
|
A:LYS225
|
5.0
|
28.3
|
1.0
|
O
|
A:HOH998
|
5.0
|
39.1
|
1.0
|
|
Calcium binding site 3 out
of 4 in 2id4
Go back to
Calcium Binding Sites List in 2id4
Calcium binding site 3 out
of 4 in the The 1.9 A Structure of KEX2 in Complex with An Ac-R-E-R-K-Chloromethyl Ketone Inhibitor.
Mono view
Stereo pair view
|
A full contact list of Calcium with other atoms in the Ca binding
site number 3 of The 1.9 A Structure of KEX2 in Complex with An Ac-R-E-R-K-Chloromethyl Ketone Inhibitor. within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:Ca902
b:30.5
occ:1.00
|
O
|
B:HOH914
|
2.3
|
30.0
|
1.0
|
O
|
B:HOH942
|
2.3
|
29.5
|
1.0
|
OD2
|
B:ASP277
|
2.4
|
27.6
|
1.0
|
OD2
|
B:ASP320
|
2.4
|
26.0
|
1.0
|
OE2
|
B:GLU350
|
2.4
|
28.9
|
1.0
|
OE1
|
B:GLU350
|
2.5
|
28.1
|
1.0
|
O
|
B:HOH923
|
2.5
|
32.1
|
1.0
|
CD
|
B:GLU350
|
2.8
|
28.1
|
1.0
|
CG
|
B:ASP320
|
3.3
|
26.9
|
1.0
|
CG
|
B:ASP277
|
3.5
|
27.4
|
1.0
|
OD1
|
B:ASP320
|
3.9
|
26.2
|
1.0
|
CA
|
B:ASP277
|
4.1
|
27.1
|
1.0
|
CB
|
B:ASP277
|
4.1
|
27.1
|
1.0
|
NZ
|
D:LYK5
|
4.2
|
34.1
|
1.0
|
O
|
B:HOH917
|
4.3
|
33.3
|
1.0
|
CG
|
B:GLU350
|
4.3
|
28.1
|
1.0
|
CB
|
B:ASP320
|
4.3
|
27.7
|
1.0
|
O
|
B:HOH949
|
4.4
|
34.7
|
1.0
|
O
|
B:SER312
|
4.4
|
27.4
|
1.0
|
OD1
|
B:ASP277
|
4.4
|
27.6
|
1.0
|
O
|
B:ASN321
|
4.5
|
28.1
|
1.0
|
OD1
|
B:ASP325
|
4.5
|
30.1
|
1.0
|
O
|
B:ALA276
|
4.6
|
27.0
|
1.0
|
CA
|
B:GLY313
|
4.6
|
27.2
|
1.0
|
CB
|
B:ASP325
|
4.7
|
28.6
|
1.0
|
O
|
B:PRO275
|
4.7
|
26.2
|
1.0
|
N
|
B:ASP277
|
4.9
|
27.0
|
1.0
|
C
|
B:ASN321
|
4.9
|
28.0
|
1.0
|
CA
|
B:CYS322
|
5.0
|
28.8
|
1.0
|
|
Calcium binding site 4 out
of 4 in 2id4
Go back to
Calcium Binding Sites List in 2id4
Calcium binding site 4 out
of 4 in the The 1.9 A Structure of KEX2 in Complex with An Ac-R-E-R-K-Chloromethyl Ketone Inhibitor.
Mono view
Stereo pair view
|
A full contact list of Calcium with other atoms in the Ca binding
site number 4 of The 1.9 A Structure of KEX2 in Complex with An Ac-R-E-R-K-Chloromethyl Ketone Inhibitor. within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:Ca906
b:45.7
occ:1.00
|
O
|
B:LYS224
|
2.3
|
29.4
|
1.0
|
O
|
B:PHE229
|
2.3
|
28.9
|
1.0
|
OD1
|
B:ASP135
|
2.4
|
26.6
|
1.0
|
OD1
|
B:ASP184
|
2.4
|
26.2
|
1.0
|
O
|
B:GLY231
|
2.5
|
28.0
|
1.0
|
OD1
|
B:ASN227
|
2.6
|
27.6
|
1.0
|
OD2
|
B:ASP184
|
2.7
|
26.7
|
1.0
|
CG
|
B:ASP184
|
2.9
|
27.5
|
1.0
|
CG
|
B:ASP135
|
3.4
|
27.3
|
1.0
|
C
|
B:PHE229
|
3.5
|
29.1
|
1.0
|
C
|
B:LYS224
|
3.5
|
29.4
|
1.0
|
CG
|
B:ASN227
|
3.6
|
28.1
|
1.0
|
C
|
B:GLY231
|
3.7
|
28.2
|
1.0
|
ND2
|
B:ASN227
|
4.0
|
26.5
|
1.0
|
CB
|
B:ASP135
|
4.0
|
27.6
|
1.0
|
N
|
B:GLY231
|
4.1
|
28.6
|
1.0
|
N
|
B:PHE229
|
4.2
|
29.3
|
1.0
|
CA
|
B:PHE229
|
4.3
|
29.2
|
1.0
|
C
|
B:CYS230
|
4.3
|
29.0
|
1.0
|
CA
|
B:LYS224
|
4.4
|
29.4
|
1.0
|
CB
|
B:ASP184
|
4.4
|
28.0
|
1.0
|
CA
|
B:GLY231
|
4.4
|
28.3
|
1.0
|
N
|
B:LYS224
|
4.4
|
29.4
|
1.0
|
OD2
|
B:ASP135
|
4.4
|
27.4
|
1.0
|
CB
|
B:PHE229
|
4.4
|
29.3
|
1.0
|
N
|
B:LYS225
|
4.5
|
29.4
|
1.0
|
N
|
B:CYS230
|
4.5
|
29.1
|
1.0
|
O
|
B:CYS230
|
4.6
|
28.9
|
1.0
|
CB
|
B:LYS224
|
4.6
|
29.3
|
1.0
|
CA
|
B:LYS225
|
4.7
|
29.4
|
1.0
|
N
|
B:VAL232
|
4.7
|
28.0
|
1.0
|
N
|
B:ASN227
|
4.8
|
29.2
|
1.0
|
CA
|
B:CYS230
|
4.8
|
29.1
|
1.0
|
C
|
B:ALA223
|
4.8
|
29.2
|
1.0
|
N
|
B:GLY226
|
4.9
|
29.3
|
1.0
|
CA
|
B:VAL232
|
4.9
|
28.1
|
1.0
|
CB
|
B:ASN227
|
4.9
|
28.9
|
1.0
|
O
|
B:HOH1012
|
5.0
|
42.2
|
1.0
|
CD2
|
B:PHE229
|
5.0
|
28.9
|
1.0
|
CG2
|
B:VAL232
|
5.0
|
28.5
|
1.0
|
CB
|
B:CYS230
|
5.0
|
29.4
|
1.0
|
|
Reference:
J.L.Wheatley,
T.Holyoak.
Differential P1 Arginine and Lysine Recognition in the Prototypical Proprotein Convertase KEX2. Proc.Natl.Acad.Sci.Usa V. 104 6626 2007.
ISSN: ISSN 0027-8424
PubMed: 17426142
DOI: 10.1073/PNAS.0701983104
Page generated: Fri Jul 12 13:03:40 2024
|