Iron in PDB 2qd1: 2.2 Angstrom Structure of the Human Ferrochelatase Variant E343K with Substrate Bound
Enzymatic activity of 2.2 Angstrom Structure of the Human Ferrochelatase Variant E343K with Substrate Bound
All present enzymatic activity of 2.2 Angstrom Structure of the Human Ferrochelatase Variant E343K with Substrate Bound:
4.99.1.1;
Protein crystallography data
The structure of 2.2 Angstrom Structure of the Human Ferrochelatase Variant E343K with Substrate Bound, PDB code: 2qd1
was solved by
A.E.Medlock,
T.A.Dailey,
T.A.Ross,
H.A.Dailey,
W.N.Lanzilotta,
with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:
Resolution Low / High (Å)
|
42.08 /
2.20
|
Space group
|
P 1
|
Cell size a, b, c (Å), α, β, γ (°)
|
61.893,
88.454,
93.100,
102.49,
108.99,
105.55
|
R / Rfree (%)
|
22.2 /
26.1
|
Iron Binding Sites:
The binding sites of Iron atom in the 2.2 Angstrom Structure of the Human Ferrochelatase Variant E343K with Substrate Bound
(pdb code 2qd1). This binding sites where shown within
5.0 Angstroms radius around Iron atom.
In total 8 binding sites of Iron where determined in the
2.2 Angstrom Structure of the Human Ferrochelatase Variant E343K with Substrate Bound, PDB code: 2qd1:
Jump to Iron binding site number:
1;
2;
3;
4;
5;
6;
7;
8;
Iron binding site 1 out
of 8 in 2qd1
Go back to
Iron Binding Sites List in 2qd1
Iron binding site 1 out
of 8 in the 2.2 Angstrom Structure of the Human Ferrochelatase Variant E343K with Substrate Bound
Mono view
Stereo pair view
|
A full contact list of Iron with other atoms in the Fe binding
site number 1 of 2.2 Angstrom Structure of the Human Ferrochelatase Variant E343K with Substrate Bound within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Fe1001
b:31.0
occ:1.00
|
FE1
|
A:FES1001
|
0.0
|
31.0
|
1.0
|
S2
|
A:FES1001
|
2.2
|
31.9
|
1.0
|
S1
|
A:FES1001
|
2.2
|
31.5
|
1.0
|
SG
|
A:CYS411
|
2.3
|
32.7
|
1.0
|
SG
|
A:CYS406
|
2.3
|
31.6
|
1.0
|
FE2
|
A:FES1001
|
2.7
|
30.5
|
1.0
|
CB
|
A:CYS411
|
3.2
|
34.5
|
1.0
|
CB
|
A:CYS406
|
3.4
|
32.2
|
1.0
|
O
|
A:HOH1043
|
4.0
|
39.9
|
1.0
|
O
|
A:HOH1048
|
4.2
|
26.4
|
1.0
|
CB
|
A:ASN408
|
4.2
|
33.5
|
1.0
|
CA
|
A:CYS406
|
4.2
|
32.1
|
1.0
|
SG
|
A:CYS196
|
4.4
|
26.9
|
1.0
|
SG
|
A:CYS403
|
4.5
|
32.2
|
1.0
|
O
|
A:ASN408
|
4.6
|
34.0
|
1.0
|
CA
|
A:CYS411
|
4.7
|
35.5
|
1.0
|
CB
|
A:CYS403
|
4.7
|
30.7
|
1.0
|
N
|
A:CYS403
|
4.7
|
30.8
|
1.0
|
CB
|
A:SER402
|
4.8
|
30.6
|
1.0
|
N
|
A:ASN408
|
4.9
|
34.2
|
1.0
|
|
Iron binding site 2 out
of 8 in 2qd1
Go back to
Iron Binding Sites List in 2qd1
Iron binding site 2 out
of 8 in the 2.2 Angstrom Structure of the Human Ferrochelatase Variant E343K with Substrate Bound
Mono view
Stereo pair view
|
A full contact list of Iron with other atoms in the Fe binding
site number 2 of 2.2 Angstrom Structure of the Human Ferrochelatase Variant E343K with Substrate Bound within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Fe1001
b:30.5
occ:1.00
|
FE2
|
A:FES1001
|
0.0
|
30.5
|
1.0
|
S2
|
A:FES1001
|
2.2
|
31.9
|
1.0
|
S1
|
A:FES1001
|
2.2
|
31.5
|
1.0
|
SG
|
A:CYS196
|
2.3
|
26.9
|
1.0
|
SG
|
A:CYS403
|
2.3
|
32.2
|
1.0
|
FE1
|
A:FES1001
|
2.7
|
31.0
|
1.0
|
CB
|
A:CYS196
|
3.4
|
22.3
|
1.0
|
CB
|
A:CYS403
|
3.4
|
30.7
|
1.0
|
O
|
A:HOH1047
|
3.7
|
23.2
|
1.0
|
N
|
A:CYS403
|
3.8
|
30.8
|
1.0
|
CA
|
A:CYS403
|
4.2
|
30.6
|
1.0
|
SG
|
A:CYS406
|
4.5
|
31.6
|
1.0
|
SG
|
A:CYS411
|
4.5
|
32.7
|
1.0
|
CB
|
A:CYS406
|
4.5
|
32.2
|
1.0
|
CD
|
A:ARG272
|
4.6
|
27.4
|
1.0
|
CA
|
A:CYS196
|
4.7
|
19.8
|
1.0
|
C
|
A:SER402
|
5.0
|
30.7
|
1.0
|
|
Iron binding site 3 out
of 8 in 2qd1
Go back to
Iron Binding Sites List in 2qd1
Iron binding site 3 out
of 8 in the 2.2 Angstrom Structure of the Human Ferrochelatase Variant E343K with Substrate Bound
Mono view
Stereo pair view
|
A full contact list of Iron with other atoms in the Fe binding
site number 3 of 2.2 Angstrom Structure of the Human Ferrochelatase Variant E343K with Substrate Bound within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:Fe1002
b:31.6
occ:1.00
|
FE1
|
B:FES1002
|
0.0
|
31.6
|
1.0
|
S1
|
B:FES1002
|
2.2
|
31.9
|
1.0
|
S2
|
B:FES1002
|
2.2
|
31.9
|
1.0
|
SG
|
B:CYS411
|
2.3
|
33.1
|
1.0
|
SG
|
B:CYS406
|
2.3
|
32.1
|
1.0
|
FE2
|
B:FES1002
|
2.7
|
31.1
|
1.0
|
CB
|
B:CYS411
|
3.2
|
34.8
|
1.0
|
CB
|
B:CYS406
|
3.4
|
31.6
|
1.0
|
O
|
B:HOH1119
|
4.0
|
32.6
|
1.0
|
O
|
B:HOH1123
|
4.2
|
33.8
|
1.0
|
O
|
B:HOH1166
|
4.2
|
49.1
|
1.0
|
CA
|
B:CYS406
|
4.2
|
31.5
|
1.0
|
CB
|
B:ASN408
|
4.4
|
33.5
|
1.0
|
SG
|
B:CYS196
|
4.4
|
27.8
|
1.0
|
SG
|
B:CYS403
|
4.5
|
30.6
|
1.0
|
O
|
B:ASN408
|
4.6
|
34.7
|
1.0
|
N
|
B:CYS403
|
4.6
|
29.9
|
1.0
|
CB
|
B:CYS403
|
4.6
|
30.1
|
1.0
|
CA
|
B:CYS411
|
4.6
|
36.0
|
1.0
|
CB
|
B:SER402
|
4.8
|
30.5
|
1.0
|
N
|
B:ASN408
|
4.9
|
34.3
|
1.0
|
|
Iron binding site 4 out
of 8 in 2qd1
Go back to
Iron Binding Sites List in 2qd1
Iron binding site 4 out
of 8 in the 2.2 Angstrom Structure of the Human Ferrochelatase Variant E343K with Substrate Bound
Mono view
Stereo pair view
|
A full contact list of Iron with other atoms in the Fe binding
site number 4 of 2.2 Angstrom Structure of the Human Ferrochelatase Variant E343K with Substrate Bound within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:Fe1002
b:31.1
occ:1.00
|
FE2
|
B:FES1002
|
0.0
|
31.1
|
1.0
|
S1
|
B:FES1002
|
2.2
|
31.9
|
1.0
|
S2
|
B:FES1002
|
2.2
|
31.9
|
1.0
|
SG
|
B:CYS196
|
2.3
|
27.8
|
1.0
|
SG
|
B:CYS403
|
2.3
|
30.6
|
1.0
|
FE1
|
B:FES1002
|
2.7
|
31.6
|
1.0
|
CB
|
B:CYS403
|
3.4
|
30.1
|
1.0
|
CB
|
B:CYS196
|
3.4
|
23.1
|
1.0
|
O
|
B:HOH1166
|
3.6
|
49.1
|
1.0
|
O
|
B:HOH1056
|
3.7
|
31.9
|
1.0
|
N
|
B:CYS403
|
3.8
|
29.9
|
1.0
|
O
|
D:HOH1072
|
4.0
|
31.9
|
1.0
|
CA
|
B:CYS403
|
4.2
|
29.9
|
1.0
|
SG
|
B:CYS411
|
4.5
|
33.1
|
1.0
|
SG
|
B:CYS406
|
4.5
|
32.1
|
1.0
|
CB
|
B:CYS406
|
4.6
|
31.6
|
1.0
|
CD
|
B:ARG272
|
4.7
|
27.3
|
1.0
|
CA
|
B:CYS196
|
4.7
|
20.5
|
1.0
|
O
|
B:HOH1119
|
4.9
|
32.6
|
1.0
|
C
|
B:SER402
|
4.9
|
30.0
|
1.0
|
|
Iron binding site 5 out
of 8 in 2qd1
Go back to
Iron Binding Sites List in 2qd1
Iron binding site 5 out
of 8 in the 2.2 Angstrom Structure of the Human Ferrochelatase Variant E343K with Substrate Bound
Mono view
Stereo pair view
|
A full contact list of Iron with other atoms in the Fe binding
site number 5 of 2.2 Angstrom Structure of the Human Ferrochelatase Variant E343K with Substrate Bound within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
C:Fe1003
b:28.2
occ:1.00
|
FE1
|
C:FES1003
|
0.0
|
28.2
|
1.0
|
S1
|
C:FES1003
|
2.2
|
28.7
|
1.0
|
S2
|
C:FES1003
|
2.3
|
29.2
|
1.0
|
SG
|
C:CYS411
|
2.3
|
32.2
|
1.0
|
SG
|
C:CYS406
|
2.3
|
28.4
|
1.0
|
FE2
|
C:FES1003
|
2.7
|
28.0
|
1.0
|
CB
|
C:CYS411
|
3.3
|
33.7
|
1.0
|
CB
|
C:CYS406
|
3.4
|
29.5
|
1.0
|
O
|
C:HOH1078
|
4.2
|
32.7
|
1.0
|
CA
|
C:CYS406
|
4.3
|
30.5
|
1.0
|
CB
|
C:ASN408
|
4.3
|
35.1
|
1.0
|
O
|
C:HOH1079
|
4.4
|
34.6
|
1.0
|
SG
|
C:CYS196
|
4.5
|
24.7
|
1.0
|
SG
|
C:CYS403
|
4.6
|
30.1
|
1.0
|
O
|
C:ASN408
|
4.6
|
34.7
|
1.0
|
N
|
C:CYS403
|
4.7
|
29.4
|
1.0
|
CA
|
C:CYS411
|
4.7
|
34.9
|
1.0
|
CB
|
C:CYS403
|
4.7
|
29.3
|
1.0
|
O
|
C:HOH1026
|
4.8
|
26.8
|
1.0
|
CB
|
C:SER402
|
4.8
|
30.1
|
1.0
|
N
|
C:ASN408
|
4.9
|
34.0
|
1.0
|
CB
|
C:CYS196
|
5.0
|
19.3
|
1.0
|
|
Iron binding site 6 out
of 8 in 2qd1
Go back to
Iron Binding Sites List in 2qd1
Iron binding site 6 out
of 8 in the 2.2 Angstrom Structure of the Human Ferrochelatase Variant E343K with Substrate Bound
Mono view
Stereo pair view
|
A full contact list of Iron with other atoms in the Fe binding
site number 6 of 2.2 Angstrom Structure of the Human Ferrochelatase Variant E343K with Substrate Bound within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
C:Fe1003
b:28.0
occ:1.00
|
FE2
|
C:FES1003
|
0.0
|
28.0
|
1.0
|
S1
|
C:FES1003
|
2.2
|
28.7
|
1.0
|
S2
|
C:FES1003
|
2.2
|
29.2
|
1.0
|
SG
|
C:CYS196
|
2.3
|
24.7
|
1.0
|
SG
|
C:CYS403
|
2.3
|
30.1
|
1.0
|
FE1
|
C:FES1003
|
2.7
|
28.2
|
1.0
|
CB
|
C:CYS196
|
3.4
|
19.3
|
1.0
|
CB
|
C:CYS403
|
3.4
|
29.3
|
1.0
|
O
|
C:HOH1031
|
3.7
|
21.2
|
1.0
|
N
|
C:CYS403
|
3.8
|
29.4
|
1.0
|
CA
|
C:CYS403
|
4.2
|
29.5
|
1.0
|
SG
|
C:CYS411
|
4.5
|
32.2
|
1.0
|
SG
|
C:CYS406
|
4.5
|
28.4
|
1.0
|
O
|
C:HOH1078
|
4.5
|
32.7
|
1.0
|
CB
|
C:CYS406
|
4.6
|
29.5
|
1.0
|
CD
|
C:ARG272
|
4.6
|
27.9
|
1.0
|
NH1
|
C:ARG272
|
4.7
|
30.1
|
1.0
|
CA
|
C:CYS196
|
4.7
|
16.4
|
1.0
|
C
|
C:SER402
|
4.9
|
29.7
|
1.0
|
|
Iron binding site 7 out
of 8 in 2qd1
Go back to
Iron Binding Sites List in 2qd1
Iron binding site 7 out
of 8 in the 2.2 Angstrom Structure of the Human Ferrochelatase Variant E343K with Substrate Bound
Mono view
Stereo pair view
|
A full contact list of Iron with other atoms in the Fe binding
site number 7 of 2.2 Angstrom Structure of the Human Ferrochelatase Variant E343K with Substrate Bound within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
D:Fe1004
b:28.5
occ:1.00
|
FE1
|
D:FES1004
|
0.0
|
28.5
|
1.0
|
S2
|
D:FES1004
|
2.2
|
28.1
|
1.0
|
S1
|
D:FES1004
|
2.2
|
29.0
|
1.0
|
SG
|
D:CYS411
|
2.3
|
32.0
|
1.0
|
SG
|
D:CYS406
|
2.3
|
29.9
|
1.0
|
FE2
|
D:FES1004
|
2.7
|
27.3
|
1.0
|
CB
|
D:CYS411
|
3.3
|
33.2
|
1.0
|
CB
|
D:CYS406
|
3.4
|
29.8
|
1.0
|
CB
|
D:ASN408
|
4.2
|
31.9
|
1.0
|
CA
|
D:CYS406
|
4.2
|
30.1
|
1.0
|
O
|
D:HOH1073
|
4.4
|
29.1
|
1.0
|
O
|
D:HOH1042
|
4.4
|
29.3
|
1.0
|
O
|
D:ASN408
|
4.5
|
33.2
|
1.0
|
SG
|
D:CYS196
|
4.5
|
23.6
|
1.0
|
SG
|
D:CYS403
|
4.6
|
28.7
|
1.0
|
CA
|
D:CYS411
|
4.7
|
34.5
|
1.0
|
N
|
D:ASN408
|
4.7
|
31.9
|
1.0
|
CB
|
D:CYS403
|
4.7
|
28.8
|
1.0
|
N
|
D:CYS403
|
4.8
|
28.7
|
1.0
|
CB
|
D:SER402
|
4.8
|
29.8
|
1.0
|
CA
|
D:ASN408
|
4.9
|
32.1
|
1.0
|
C
|
D:CYS406
|
5.0
|
30.3
|
1.0
|
|
Iron binding site 8 out
of 8 in 2qd1
Go back to
Iron Binding Sites List in 2qd1
Iron binding site 8 out
of 8 in the 2.2 Angstrom Structure of the Human Ferrochelatase Variant E343K with Substrate Bound
Mono view
Stereo pair view
|
A full contact list of Iron with other atoms in the Fe binding
site number 8 of 2.2 Angstrom Structure of the Human Ferrochelatase Variant E343K with Substrate Bound within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
D:Fe1004
b:27.3
occ:1.00
|
FE2
|
D:FES1004
|
0.0
|
27.3
|
1.0
|
S2
|
D:FES1004
|
2.2
|
28.1
|
1.0
|
S1
|
D:FES1004
|
2.2
|
29.0
|
1.0
|
SG
|
D:CYS196
|
2.3
|
23.6
|
1.0
|
SG
|
D:CYS403
|
2.3
|
28.7
|
1.0
|
FE1
|
D:FES1004
|
2.7
|
28.5
|
1.0
|
CB
|
D:CYS403
|
3.4
|
28.8
|
1.0
|
CB
|
D:CYS196
|
3.4
|
20.3
|
1.0
|
O
|
D:HOH1052
|
3.7
|
17.6
|
1.0
|
N
|
D:CYS403
|
3.8
|
28.7
|
1.0
|
CA
|
D:CYS403
|
4.2
|
28.5
|
1.0
|
CD
|
D:ARG272
|
4.4
|
19.5
|
0.5
|
SG
|
D:CYS411
|
4.5
|
32.0
|
1.0
|
CD
|
D:ARG272
|
4.5
|
23.8
|
0.5
|
SG
|
D:CYS406
|
4.5
|
29.9
|
1.0
|
CB
|
D:CYS406
|
4.5
|
29.8
|
1.0
|
CA
|
D:CYS196
|
4.8
|
17.9
|
1.0
|
NH1
|
D:ARG272
|
4.9
|
18.0
|
0.5
|
C
|
D:SER402
|
5.0
|
29.0
|
1.0
|
|
Reference:
A.E.Medlock,
T.A.Dailey,
T.A.Ross,
H.A.Dailey,
W.N.Lanzilotta.
A Pi-Helix Switch Selective For Porphyrin Deprotonation and Product Release in Human Ferrochelatase. J.Mol.Biol. V. 373 1006 2007.
ISSN: ISSN 0022-2836
PubMed: 17884090
DOI: 10.1016/J.JMB.2007.08.040
Page generated: Sun Aug 4 01:41:15 2024
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