Zinc in PDB 2bgn: Hiv-1 Tat Protein Derived N-Terminal Nonapeptide TRP2-Tat (1-9) Bound to the Active Site of Dipeptidyl Peptidase IV (CD26)
Enzymatic activity of Hiv-1 Tat Protein Derived N-Terminal Nonapeptide TRP2-Tat (1-9) Bound to the Active Site of Dipeptidyl Peptidase IV (CD26)
All present enzymatic activity of Hiv-1 Tat Protein Derived N-Terminal Nonapeptide TRP2-Tat (1-9) Bound to the Active Site of Dipeptidyl Peptidase IV (CD26):
3.4.14.5;
3.5.4.4;
Protein crystallography data
The structure of Hiv-1 Tat Protein Derived N-Terminal Nonapeptide TRP2-Tat (1-9) Bound to the Active Site of Dipeptidyl Peptidase IV (CD26), PDB code: 2bgn
was solved by
W.A.Weihofen,
J.Liu,
W.Reutter,
W.Saenger,
H.Fan,
with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:
Resolution Low / High (Å)
|
30.00 /
3.15
|
Space group
|
C 1 2 1
|
Cell size a, b, c (Å), α, β, γ (°)
|
158.945,
170.273,
239.200,
90.00,
100.93,
90.00
|
R / Rfree (%)
|
22.7 /
24.7
|
Zinc Binding Sites:
The binding sites of Zinc atom in the Hiv-1 Tat Protein Derived N-Terminal Nonapeptide TRP2-Tat (1-9) Bound to the Active Site of Dipeptidyl Peptidase IV (CD26)
(pdb code 2bgn). This binding sites where shown within
5.0 Angstroms radius around Zinc atom.
In total 4 binding sites of Zinc where determined in the
Hiv-1 Tat Protein Derived N-Terminal Nonapeptide TRP2-Tat (1-9) Bound to the Active Site of Dipeptidyl Peptidase IV (CD26), PDB code: 2bgn:
Jump to Zinc binding site number:
1;
2;
3;
4;
Zinc binding site 1 out
of 4 in 2bgn
Go back to
Zinc Binding Sites List in 2bgn
Zinc binding site 1 out
of 4 in the Hiv-1 Tat Protein Derived N-Terminal Nonapeptide TRP2-Tat (1-9) Bound to the Active Site of Dipeptidyl Peptidase IV (CD26)
 Mono view
 Stereo pair view
|
A full contact list of Zinc with other atoms in the Zn binding
site number 1 of Hiv-1 Tat Protein Derived N-Terminal Nonapeptide TRP2-Tat (1-9) Bound to the Active Site of Dipeptidyl Peptidase IV (CD26) within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
E:Zn501
b:66.3
occ:1.00
|
NE2
|
E:HIS214
|
2.0
|
81.7
|
1.0
|
NE2
|
E:HIS17
|
2.1
|
81.3
|
1.0
|
NE2
|
E:HIS15
|
2.1
|
80.9
|
1.0
|
OD1
|
E:ASP295
|
2.2
|
71.4
|
1.0
|
CE1
|
E:HIS214
|
2.8
|
82.2
|
1.0
|
CE1
|
E:HIS15
|
2.9
|
81.0
|
1.0
|
CD2
|
E:HIS17
|
2.9
|
81.4
|
1.0
|
CG
|
E:ASP295
|
3.1
|
71.7
|
1.0
|
CD2
|
E:HIS214
|
3.1
|
82.8
|
1.0
|
CE1
|
E:HIS17
|
3.1
|
81.3
|
1.0
|
CD2
|
E:HIS15
|
3.2
|
81.1
|
1.0
|
OD2
|
E:ASP295
|
3.3
|
68.5
|
1.0
|
NE2
|
E:HIS238
|
3.9
|
71.7
|
1.0
|
ND1
|
E:HIS214
|
4.0
|
82.3
|
1.0
|
ND1
|
E:HIS15
|
4.1
|
80.6
|
1.0
|
CG
|
E:HIS17
|
4.1
|
80.7
|
1.0
|
CG
|
E:HIS214
|
4.2
|
82.6
|
1.0
|
ND1
|
E:HIS17
|
4.2
|
80.8
|
1.0
|
CG
|
E:HIS15
|
4.2
|
80.9
|
1.0
|
CB
|
E:ASP295
|
4.5
|
73.3
|
1.0
|
CD2
|
E:HIS238
|
4.6
|
73.0
|
1.0
|
CD
|
E:ARG101
|
4.7
|
82.3
|
1.0
|
OD1
|
E:ASP296
|
4.8
|
74.1
|
1.0
|
CA
|
E:ASP295
|
4.8
|
73.5
|
1.0
|
CE1
|
E:HIS238
|
5.0
|
72.0
|
1.0
|
|
Zinc binding site 2 out
of 4 in 2bgn
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Zinc Binding Sites List in 2bgn
Zinc binding site 2 out
of 4 in the Hiv-1 Tat Protein Derived N-Terminal Nonapeptide TRP2-Tat (1-9) Bound to the Active Site of Dipeptidyl Peptidase IV (CD26)
 Mono view
 Stereo pair view
|
A full contact list of Zinc with other atoms in the Zn binding
site number 2 of Hiv-1 Tat Protein Derived N-Terminal Nonapeptide TRP2-Tat (1-9) Bound to the Active Site of Dipeptidyl Peptidase IV (CD26) within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
F:Zn501
b:83.2
occ:1.00
|
NE2
|
F:HIS214
|
2.1
|
81.9
|
1.0
|
NE2
|
F:HIS15
|
2.1
|
81.1
|
1.0
|
NE2
|
F:HIS17
|
2.1
|
81.6
|
1.0
|
OD1
|
F:ASP295
|
2.2
|
78.4
|
1.0
|
CE1
|
F:HIS214
|
2.9
|
82.2
|
1.0
|
CE1
|
F:HIS15
|
3.0
|
81.0
|
1.0
|
CD2
|
F:HIS17
|
3.0
|
81.4
|
1.0
|
CG
|
F:ASP295
|
3.1
|
78.7
|
1.0
|
CD2
|
F:HIS214
|
3.1
|
82.9
|
1.0
|
CD2
|
F:HIS15
|
3.2
|
81.2
|
1.0
|
CE1
|
F:HIS17
|
3.2
|
81.4
|
1.0
|
OD2
|
F:ASP295
|
3.3
|
77.7
|
1.0
|
ND1
|
F:HIS214
|
4.1
|
82.4
|
1.0
|
ND1
|
F:HIS15
|
4.1
|
80.6
|
1.0
|
CG
|
F:HIS17
|
4.2
|
80.7
|
1.0
|
CG
|
F:HIS214
|
4.2
|
82.7
|
1.0
|
CG
|
F:HIS15
|
4.2
|
81.0
|
1.0
|
ND1
|
F:HIS17
|
4.3
|
80.8
|
1.0
|
CB
|
F:ASP295
|
4.5
|
79.2
|
1.0
|
NE2
|
F:HIS238
|
4.6
|
82.2
|
1.0
|
CD2
|
F:HIS238
|
4.6
|
82.3
|
1.0
|
O
|
F:ASP295
|
4.7
|
79.4
|
1.0
|
CD
|
F:ARG101
|
4.8
|
82.3
|
1.0
|
CA
|
F:ASP295
|
4.8
|
79.4
|
1.0
|
OD1
|
F:ASP296
|
5.0
|
78.8
|
1.0
|
|
Zinc binding site 3 out
of 4 in 2bgn
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Zinc Binding Sites List in 2bgn
Zinc binding site 3 out
of 4 in the Hiv-1 Tat Protein Derived N-Terminal Nonapeptide TRP2-Tat (1-9) Bound to the Active Site of Dipeptidyl Peptidase IV (CD26)
 Mono view
 Stereo pair view
|
A full contact list of Zinc with other atoms in the Zn binding
site number 3 of Hiv-1 Tat Protein Derived N-Terminal Nonapeptide TRP2-Tat (1-9) Bound to the Active Site of Dipeptidyl Peptidase IV (CD26) within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
G:Zn501
b:85.3
occ:1.00
|
NE2
|
G:HIS15
|
2.1
|
81.1
|
1.0
|
NE2
|
G:HIS17
|
2.1
|
81.5
|
1.0
|
NE2
|
G:HIS214
|
2.1
|
81.9
|
1.0
|
OD1
|
G:ASP295
|
2.2
|
81.5
|
1.0
|
CD2
|
G:HIS17
|
2.9
|
81.4
|
1.0
|
CE1
|
G:HIS214
|
2.9
|
82.2
|
1.0
|
CE1
|
G:HIS15
|
3.0
|
81.0
|
1.0
|
CG
|
G:ASP295
|
3.1
|
82.0
|
1.0
|
CD2
|
G:HIS15
|
3.1
|
81.2
|
1.0
|
CD2
|
G:HIS214
|
3.2
|
82.9
|
1.0
|
CE1
|
G:HIS17
|
3.2
|
81.3
|
1.0
|
OD2
|
G:ASP295
|
3.2
|
80.7
|
1.0
|
NE2
|
G:HIS238
|
3.9
|
86.9
|
1.0
|
ND1
|
G:HIS15
|
4.1
|
80.6
|
1.0
|
ND1
|
G:HIS214
|
4.1
|
82.4
|
1.0
|
CG
|
G:HIS17
|
4.1
|
80.7
|
1.0
|
CG
|
G:HIS15
|
4.2
|
81.0
|
1.0
|
ND1
|
G:HIS17
|
4.2
|
80.9
|
1.0
|
CG
|
G:HIS214
|
4.3
|
82.7
|
1.0
|
CB
|
G:ASP295
|
4.5
|
82.2
|
1.0
|
CD2
|
G:HIS238
|
4.6
|
85.9
|
1.0
|
OD1
|
G:ASP296
|
4.7
|
84.9
|
1.0
|
CD
|
G:ARG101
|
4.7
|
82.3
|
1.0
|
CA
|
G:ASP295
|
4.9
|
82.2
|
1.0
|
CE1
|
G:HIS238
|
5.0
|
86.8
|
1.0
|
|
Zinc binding site 4 out
of 4 in 2bgn
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Zinc Binding Sites List in 2bgn
Zinc binding site 4 out
of 4 in the Hiv-1 Tat Protein Derived N-Terminal Nonapeptide TRP2-Tat (1-9) Bound to the Active Site of Dipeptidyl Peptidase IV (CD26)
 Mono view
 Stereo pair view
|
A full contact list of Zinc with other atoms in the Zn binding
site number 4 of Hiv-1 Tat Protein Derived N-Terminal Nonapeptide TRP2-Tat (1-9) Bound to the Active Site of Dipeptidyl Peptidase IV (CD26) within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
H:Zn501
b:84.0
occ:1.00
|
NE2
|
H:HIS15
|
2.1
|
81.1
|
1.0
|
NE2
|
H:HIS214
|
2.1
|
81.9
|
1.0
|
NE2
|
H:HIS17
|
2.1
|
81.5
|
1.0
|
OD1
|
H:ASP295
|
2.2
|
84.5
|
1.0
|
CE1
|
H:HIS214
|
2.9
|
82.2
|
1.0
|
CE1
|
H:HIS15
|
2.9
|
81.0
|
1.0
|
CD2
|
H:HIS17
|
2.9
|
81.4
|
1.0
|
CG
|
H:ASP295
|
3.1
|
82.3
|
1.0
|
CD2
|
H:HIS15
|
3.1
|
81.1
|
1.0
|
CD2
|
H:HIS214
|
3.2
|
82.9
|
1.0
|
CE1
|
H:HIS17
|
3.2
|
81.4
|
1.0
|
OD2
|
H:ASP295
|
3.3
|
83.1
|
1.0
|
NE2
|
H:HIS238
|
3.8
|
86.0
|
1.0
|
ND1
|
H:HIS15
|
4.0
|
80.6
|
1.0
|
ND1
|
H:HIS214
|
4.1
|
82.4
|
1.0
|
CG
|
H:HIS17
|
4.1
|
80.7
|
1.0
|
CG
|
H:HIS15
|
4.2
|
80.9
|
1.0
|
CG
|
H:HIS214
|
4.2
|
82.7
|
1.0
|
ND1
|
H:HIS17
|
4.2
|
80.9
|
1.0
|
CB
|
H:ASP295
|
4.4
|
81.1
|
1.0
|
CD2
|
H:HIS238
|
4.5
|
85.8
|
1.0
|
OD1
|
H:ASP296
|
4.6
|
80.0
|
1.0
|
CA
|
H:ASP295
|
4.7
|
80.8
|
1.0
|
CD
|
H:ARG101
|
4.7
|
82.3
|
1.0
|
CE1
|
H:HIS238
|
4.8
|
86.3
|
1.0
|
|
Reference:
W.A.Weihofen,
J.Liu,
W.Reutter,
W.Saenger,
H.Fan.
Crystal Structures of Hiv-1 Tat-Derived Nonapeptides Tat-(1-9) and TRP2-Tat-(1-9) Bound to the Active Site of Dipeptidyl-Peptidase IV (CD26) J.Biol.Chem. V. 280 14911 2005.
ISSN: ISSN 0021-9258
PubMed: 15695814
DOI: 10.1074/JBC.M413400200
Page generated: Wed Oct 16 22:01:35 2024
|