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ID of heme Axial ligands on heme Function & structure
7sa3-F-101
sad. +0.54
ruf. -0.14
dom. -0.07
bre. -0.14
HIS chainID: E,
resSeq: 23,
molecule: Cytochrome b559 subunit alpha
electron transporter
oligomeric count: 9
pocket vol.: 642.0 Å3
d(Fe-oop): 0.066 Å
HIS chainID: F, resSeq: 23,

molecule: Cytochrome b559 subunit beta

7zsv-A-202
sad. +0.54
ruf. -0.42
dom. +0.13
bre. -0.16
HIS chainID: A,
resSeq: 123,
molecule: Cytochrome c
electron transporter
oligomeric count: 2
pocket vol.: 485.0 Å3
d(Fe-oop): 0.243 Å
HOH chainID: A, resSeq: 360,

molecule: water

3mmo-A-1004
sad. +0.54
ruf. -0.52
dom. +0.09
bre. -0.10
LYS chainID: A,
resSeq: 188,
molecule: Eight-heme nitrite reductase
oxidoreductase
oligomeric count: 6
pocket vol.: 416.0 Å3
d(Fe-oop): 0.017 Å
CYN chainID: A, resSeq: 526,

molecule: CYANIDE ION

6jll-e-102
sad. +0.54
ruf. -0.34
dom. +0.13
bre. -0.06
HIS chainID: e,
resSeq: 23,
molecule: Cytochrome b559 subunit alpha
electron transporter
oligomeric count: 39
pocket vol.: 480.0 Å3
d(Fe-oop): 0.062 Å
HIS chainID: f, resSeq: 24,

molecule: Cytochrome b559 subunit beta

8js7-F-302
sad. +0.54
ruf. +0.26
dom. -0.21
bre. -0.20
HIS chainID: F,
resSeq: 200,
molecule: Sensor protein FixL
transferase
oligomeric count: 2
pocket vol.: 494.0 Å3
d(Fe-oop): 0.192 Å
IMD chainID: F, resSeq: 303,

molecule: IMIDAZOLE

5zlg-A-401
sad. +0.54
ruf. +0.30
dom. +0.02
bre. -0.13
HIS chainID: A,
resSeq: 50,
molecule: Cytochrome b reductase 1
oxidoreductase
oligomeric count: 2
pocket vol.: 368.0 Å3
d(Fe-oop): 0.066 Å
HIS chainID: A, resSeq: 120,

molecule: Cytochrome b reductase 1

1oah-A-1523
sad. +0.54
ruf. -0.88
dom. +0.14
bre. -0.03
HIS chainID: A,
resSeq: 321,
molecule: CYTOCHROME C NITRITE REDUCTASE
oxidoreductase
oligomeric count: 2
pocket vol.: 360.0 Å3
d(Fe-oop): 0.106 Å
HIS chainID: A, resSeq: 434,

molecule: CYTOCHROME C NITRITE REDUCTASE

4q4u-A-601
sad. +0.54
ruf. -0.65
dom. +0.04
bre. -0.29
LYS chainID: A,
resSeq: 188,
molecule: Eight-heme nitrite reductase
oxidoreductase
oligomeric count: 6
pocket vol.: 419.0 Å3
d(Fe-oop): 0.005 Å
SO3 chainID: A, resSeq: 609,

molecule: SULFITE ION

9lk5-F-101
sad. +0.54
ruf. -0.08
dom. +0.35
bre. -0.16
HIS chainID: E,
resSeq: 23,
molecule: Cytochrome b559 subunit alpha
electron transporter
oligomeric count: 46
pocket vol.: 747.0 Å3
d(Fe-oop): 0.085 Å
HIS chainID: F, resSeq: 18,

molecule: Cytochrome b559 subunit beta

5e7c-v-201
sad. +0.54
ruf. -0.36
dom. +0.69
bre. -0.14
HIS chainID: v,
resSeq: 41,
molecule: Cytochrome c-550
electron transporter
oligomeric count: 38
pocket vol.: 482.0 Å3
d(Fe-oop): 0.138 Å
HIS chainID: v, resSeq: 92,

molecule: Cytochrome c-550

4q5c-B-601
sad. +0.54
ruf. -0.59
dom. -0.01
bre. -0.28
LYS chainID: B,
resSeq: 188,
molecule: Eight-heme nitrite reductase
oxidoreductase
oligomeric count: 6
pocket vol.: 408.0 Å3
d(Fe-oop): 0.007 Å
SO3 chainID: B, resSeq: 610,

molecule: SULFITE ION

6e1c-B-401
sad. +0.54
ruf. -0.86
dom. +0.48
bre. -0.34
HIS chainID: B,
resSeq: 74,
molecule: Di-heme enzyme
electron transporter
oligomeric count: 1
pocket vol.: 389.0 Å3
d(Fe-oop): 0.036 Å
Not assigned.
3rkh-B-1004
sad. +0.54
ruf. -0.53
dom. +0.12
bre. +0.01
LYS chainID: B,
resSeq: 188,
molecule: Eight-heme nitrite reductase
oxidoreductase
oligomeric count: 6
pocket vol.: 377.0 Å3
d(Fe-oop): 0.020 Å
NO2 chainID: B, resSeq: 1,

molecule: NITRITE ION

7pl0-B-501
sad. +0.54
ruf. +0.46
dom. +0.31
bre. -0.16
HIS chainID: B,
resSeq: 326,
molecule: Deferrochelatase/peroxidase
oxidoreductase
oligomeric count: 2
pocket vol.: 462.0 Å3
d(Fe-oop): 0.200 Å
Not assigned.
7zqz-B-201
sad. +0.54
ruf. -0.35
dom. -0.35
bre. +0.03
HIS chainID: B,
resSeq: 123,
molecule: Cytochrome c
electron transporter
oligomeric count: 2
pocket vol.: 459.0 Å3
d(Fe-oop): 0.185 Å
NO chainID: B, resSeq: 204,

molecule: NITRIC OXIDE

1qdb-B-515
sad. +0.54
ruf. -0.59
dom. +0.15
bre. -0.04
LYS chainID: B,
resSeq: 133,
molecule: CYTOCHROME C NITRITE REDUCTASE
oxidoreductase
oligomeric count: 2
pocket vol.: 444.0 Å3
d(Fe-oop): 0.036 Å
SO4 chainID: B, resSeq: 1502,

molecule: SULFATE ION

2ri4-C-142
sad. +0.54
ruf. -0.41
dom. -0.30
bre. -0.07
HIS chainID: C,
resSeq: 87,
molecule: Hemoglobin subunit alpha-1/2
oxygen carrier
oligomeric count: 4
pocket vol.: 568.0 Å3
d(Fe-oop): 0.143 Å
HOH chainID: C, resSeq: 145,

molecule: water

3rtl-A-200
sad. +0.54
ruf. -0.16
dom. +0.02
bre. -0.21
MET chainID: A,
resSeq: 362,
molecule: Iron-regulated surface determinant protein B
unclassified
oligomeric count: 1
pocket vol.: 558.0 Å3
d(Fe-oop): 0.038 Å
TYR chainID: A, resSeq: 440,

molecule: Iron-regulated surface determinant protein B

8iwh-F-101
sad. +0.54
ruf. +0.31
dom. +0.19
bre. -0.08
HIS chainID: F,
resSeq: 22,
molecule: Cytochrome b559 subunit beta
electron transporter
oligomeric count: 56
pocket vol.: 674.0 Å3
d(Fe-oop): 0.043 Å
Not assigned.
6e45-C-501
sad. +0.54
ruf. -0.29
dom. -0.29
bre. -0.13
HIS chainID: C,
resSeq: 346,
molecule: Indoleamine 2,3-dioxygenase 1
oxidoreductase
oligomeric count: 1
pocket vol.: 453.0 Å3
d(Fe-oop): 0.204 Å
Not assigned.