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SMTL ID : 4ilz.1
(2 other biounits)
Structural and kinetic study of an internal substrate binding site of dehaloperoxidase-hemoglobin A from Amphitrite ornata
Coordinates
PDB Format
Method
X-RAY DIFFRACTION 1.91 Å
Oligo State
homo-dimer
Ligands
2 x
HEM
:
PROTOPORPHYRIN IX CONTAINING FE
(Non-covalent)
HEM.1:
20 residues within 4Å:
Chain A:
F.24
,
E.31
,
Y.34
,
F.35
,
H.55
,
K.58
,
V.59
,
L.62
,
M.63
,
L.83
,
M.86
,
Q.88
,
H.89
,
L.92
,
N.96
,
F.97
,
L.100
,
L.127
Ligands:
TBP.11
,
OXY.12
18
PLIP interactions
:
18 interactions with chain A
,
Hydrophobic interactions:
A:F.24
,
A:F.35
,
A:F.35
,
A:F.35
,
A:V.59
,
A:L.62
,
A:L.83
,
A:Q.88
,
A:L.92
,
A:L.92
,
A:N.96
,
A:F.97
,
A:L.127
Water bridges:
A:Q.88
Salt bridges:
A:H.55
,
A:K.58
pi-Stacking:
A:H.55
Metal complexes:
A:H.89
HEM.13:
19 residues within 4Å:
Chain B:
F.24
,
E.31
,
Y.34
,
F.35
,
K.36
,
H.55
,
K.58
,
V.59
,
L.62
,
M.63
,
L.83
,
M.86
,
Q.88
,
H.89
,
L.92
,
N.96
,
F.97
,
L.100
,
L.127
20
PLIP interactions
:
19 interactions with chain B
,
1 Ligand-Water interactions
,
Hydrophobic interactions:
B:F.24
,
B:F.35
,
B:F.35
,
B:K.58
,
B:V.59
,
B:L.62
,
B:L.83
,
B:Q.88
,
B:L.92
,
B:L.92
,
B:F.97
,
B:L.100
,
B:L.127
Hydrogen bonds:
B:Q.88
Salt bridges:
B:K.36
,
B:H.55
,
B:K.58
pi-Cation interactions:
B:H.55
Metal complexes:
B:H.89
,
H
2
O.6
4 x
SO4
:
SULFATE ION
(Non-functional Binders)
SO4.2:
4 residues within 4Å:
Chain A:
G.1
,
F.2
,
K.3
,
D.116
4
PLIP interactions
:
4 interactions with chain A
Hydrogen bonds:
A:F.2
,
A:K.3
Water bridges:
A:Q.4
,
A:S.119
SO4.3:
5 residues within 4Å:
Chain A:
R.32
,
V.39
,
G.40
Ligands:
IPA.4
,
IPA.9
2
PLIP interactions
:
2 interactions with chain A
Hydrogen bonds:
A:G.40
Salt bridges:
A:R.32
SO4.14:
6 residues within 4Å:
Chain B:
D.30
,
E.31
,
R.33
,
Y.34
,
N.96
,
K.99
6
PLIP interactions
:
6 interactions with chain B
Hydrogen bonds:
B:E.31
,
B:N.96
Water bridges:
B:Y.34
,
B:Y.34
Salt bridges:
B:R.33
,
B:K.99
SO4.15:
4 residues within 4Å:
Chain B:
K.27
,
Y.28
,
P.29
,
D.30
4
PLIP interactions
:
4 interactions with chain B
Hydrogen bonds:
B:K.27
,
B:D.30
,
B:D.30
,
B:D.30
7 x
IPA
:
ISOPROPYL ALCOHOL
(Non-functional Binders)
IPA.4:
4 residues within 4Å:
Chain A:
L.25
,
P.29
,
R.32
Ligands:
SO4.3
2
PLIP interactions
:
2 interactions with chain A
Water bridges:
A:P.29
,
A:R.32
IPA.5:
2 residues within 4Å:
Chain A:
S.111
,
G.112
1
PLIP interactions
:
1 interactions with chain A
Hydrogen bonds:
A:G.112
IPA.6:
7 residues within 4Å:
Chain A:
M.108
,
R.109
,
S.111
,
Q.113
,
S.114
,
F.115
Ligands:
IPA.8
2
PLIP interactions
:
2 interactions with chain A
Hydrogen bonds:
A:Q.113
,
A:F.115
IPA.7:
2 residues within 4Å:
Chain A:
L.76
,
A.77
4
PLIP interactions
:
4 interactions with chain A
Hydrophobic interactions:
A:L.76
,
A:A.77
Hydrogen bonds:
A:A.77
,
A:S.78
IPA.8:
3 residues within 4Å:
Chain A:
S.114
,
F.115
Ligands:
IPA.6
No protein-ligand interaction detected (PLIP)
IPA.9:
7 residues within 4Å:
Chain A:
L.22
,
R.32
,
K.41
,
S.42
,
D.43
,
L.46
Ligands:
SO4.3
5
PLIP interactions
:
5 interactions with chain A
Hydrophobic interactions:
A:L.22
,
A:L.46
Hydrogen bonds:
A:R.32
,
A:R.32
Water bridges:
A:D.43
IPA.10:
3 residues within 4Å:
Chain A:
Y.28
,
P.29
,
D.30
4
PLIP interactions
:
4 interactions with chain A
Hydrophobic interactions:
A:P.29
,
A:D.30
Water bridges:
A:K.99
,
A:K.99
1 x
TBP
:
2,4,6-TRIBROMOPHENOL
(Covalent)
TBP.11:
10 residues within 4Å:
Chain A:
I.20
,
F.21
,
F.24
,
F.35
,
V.59
,
F.60
,
M.63
,
L.100
Ligands:
HEM.1
,
OXY.12
5
PLIP interactions
:
5 interactions with chain A
Hydrophobic interactions:
A:F.21
,
A:F.24
,
A:F.60
Halogen bonds:
A:I.20
,
A:V.59
1 x
OXY
:
OXYGEN MOLECULE
(Non-covalent)
OXY.12:
5 residues within 4Å:
Chain A:
F.35
,
H.55
,
V.59
Ligands:
HEM.1
,
TBP.11
1
PLIP interactions
:
1 interactions with chain A
Hydrogen bonds:
A:H.55
Links
RCSB
PDBe
PDBe-KB
PDBj
PDBsum
CATH
PLIP
Citation
Zhao, J. et al., Structural and Kinetic Study of an Internal Substrate Binding Site in Dehaloperoxidase-Hemoglobin A from Amphitrite ornata. Biochemistry (2013)
Release Date
2013-03-27
Peptides
Dehaloperoxidase A:
A
B
SMTL:PDB
SMTL Chain Id:
PDB Chain Id:
A
A
B
B
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Dehaloperoxidase A
Toggle Identical (AB)
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