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ID of heme Axial ligands on heme Function & structure
7zs8-A-402
sad. +0.23
ruf. -1.02
dom. +0.23
bre. -0.27
HIS chainID: A,
resSeq: 204,
molecule: Cytochrome-c peroxidase
oxidoreductase
oligomeric count: 2
pocket vol.: 354.0 Å3
d(Fe-oop): 0.062 Å
MET chainID: A, resSeq: 280,

molecule: Cytochrome-c peroxidase

4cx2-B-500
sad. -0.32
ruf. -1.02
dom. +0.64
bre. -0.35
CYS chainID: B,
resSeq: 186,
molecule: NITRIC OXIDE SYNTHASE, ENDOTHELIAL
oxidoreductase
oligomeric count: 2
pocket vol.: 508.0 Å3
d(Fe-oop): 0.415 Å
Not assigned.
6m9a-B-200
sad. -0.13
ruf. -1.02
dom. -0.25
bre. -0.18
HIS chainID: B,
resSeq: 109,
molecule: Signaling protein
transferase
oligomeric count: 6
pocket vol.: 544.0 Å3
d(Fe-oop): 0.186 Å
PEO chainID: B, resSeq: 201,

molecule: HYDROGEN PEROXIDE

6hif-R-607
sad. -0.06
ruf. -1.02
dom. -0.02
bre. +0.06
HIS chainID: R,
resSeq: 267,
molecule: Hydrazine dehydrogenase
oxidoreductase
oligomeric count: 36
pocket vol.: 392.0 Å3
d(Fe-oop): 0.027 Å
HIS chainID: R, resSeq: 346,

molecule: Hydrazine dehydrogenase

8rv0-Y-606
sad. -0.29
ruf. -1.02
dom. +0.12
bre. -0.10
HIS chainID: Y,
resSeq: 145,
molecule: Octaheme cytochrome c nitrite reductase
oxidoreductase
oligomeric count: 3
pocket vol.: 432.0 Å3
d(Fe-oop): 0.025 Å
HIS chainID: Y, resSeq: 309,

molecule: Octaheme cytochrome c nitrite reductase

6t15-a-602
sad. -0.77
ruf. -1.02
dom. +0.47
bre. -0.31
HIS chainID: a,
resSeq: 62,
molecule: CYTOCHROME C OXIDASE SUBUNIT 1; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE I, COX1
oxidoreductase
oligomeric count: 33
pocket vol.: 579.0 Å3
d(Fe-oop): 0.110 Å
HIS chainID: a, resSeq: 378,

molecule: CYTOCHROME C OXIDASE SUBUNIT 1; SYNONYM: CYTOCHROME C OXIDASE POLYPEPTIDE I, COX1

8uge-3D-501
sad. -0.02
ruf. -1.02
dom. -0.00
bre. -0.53
HIS chainID: 3D,
resSeq: 129,
molecule: Cytochrome c1, heme protein, mitochondrial
electron transporter
oligomeric count: 22
pocket vol.: 471.0 Å3
d(Fe-oop): 0.001 Å
MET chainID: 3D, resSeq: 249,

molecule: Cytochrome c1, heme protein, mitochondrial

8jej-C-501
sad. -0.02
ruf. -1.02
dom. +0.12
bre. -0.01
HIS chainID: C,
resSeq: 347,
molecule: Fructose dehydrogenase cytochrome subunit
electron transporter
oligomeric count: 3
pocket vol.: 331.0 Å3
d(Fe-oop): 0.059 Å
MET chainID: C, resSeq: 395,

molecule: Fructose dehydrogenase cytochrome subunit

1crh-A-104
sad. -0.20
ruf. -1.02
dom. +0.03
bre. -0.02
HIS chainID: A,
resSeq: 18,
molecule: CYTOCHROME C
electron transporter
oligomeric count: 1
pocket vol.: 308.0 Å3
d(Fe-oop): 0.108 Å
MET chainID: A, resSeq: 80,

molecule: CYTOCHROME C

4hb8-A-72
sad. -0.16
ruf. -1.02
dom. +0.11
bre. -0.04
HIS chainID: A,
resSeq: 17,
molecule: PpcA
electron transporter
oligomeric count: 1
pocket vol.: 543.0 Å3
d(Fe-oop): 0.041 Å
HIS chainID: A, resSeq: 31,

molecule: PpcA

8qj6-A-102
sad. -0.53
ruf. -1.02
dom. +0.19
bre. +0.03
HIS chainID: A,
resSeq: 17,
molecule: Lipoprotein cytochrome c
electron transporter
oligomeric count: 1
pocket vol.: 464.0 Å3
d(Fe-oop): 0.074 Å
MET chainID: A, resSeq: 44,

molecule: Lipoprotein cytochrome c

1pm1-X-180
sad. +0.10
ruf. -1.02
dom. +0.03
bre. +0.10
HIS chainID: X,
resSeq: 57,
molecule: Nitrophorin 2
unclassified
oligomeric count: 1
pocket vol.: 530.0 Å3
d(Fe-oop): 0.008 Å
IMD chainID: X, resSeq: 181,

molecule: IMIDAZOLE

5nmi-P-403
sad. -0.27
ruf. -1.02
dom. +0.26
bre. +0.07
HIS chainID: P,
resSeq: 97,
molecule: Cytochrome b
electron transporter
oligomeric count: 22
pocket vol.: 388.0 Å3
d(Fe-oop): 0.023 Å
HIS chainID: P, resSeq: 196,

molecule: Cytochrome b

6t5e-A-602
sad. +0.08
ruf. -1.03
dom. -0.13
bre. +0.05
HIS chainID: A,
resSeq: 162,
molecule: Hydroxylamine oxidoreductase-like protein
oxidoreductase
oligomeric count: 3
pocket vol.: 460.0 Å3
d(Fe-oop): 0.024 Å
HIS chainID: A, resSeq: 239,

molecule: Hydroxylamine oxidoreductase-like protein

6v0a-B-504
sad. +0.63
ruf. -1.03
dom. -0.05
bre. -0.08
HIS chainID: B,
resSeq: 301,
molecule: Nitrite reductase (cytochrome; ammonia-forming)
oxidoreductase
oligomeric count: 2
pocket vol.: 399.0 Å3
d(Fe-oop): 0.021 Å
HIS chainID: B, resSeq: 412,

molecule: Nitrite reductase (cytochrome; ammonia-forming)

1qdb-B-517
sad. -0.40
ruf. -1.03
dom. +0.21
bre. -0.01
HIS chainID: B,
resSeq: 101,
molecule: CYTOCHROME C NITRITE REDUCTASE
oxidoreductase
oligomeric count: 2
pocket vol.: 377.0 Å3
d(Fe-oop): 0.004 Å
HIS chainID: B, resSeq: 214,

molecule: CYTOCHROME C NITRITE REDUCTASE

2j7a-E-1003
sad. -0.20
ruf. -1.03
dom. +0.23
bre. -0.33
HIS chainID: E,
resSeq: 121,
molecule: CYTOCHROME C NITRITE REDUCTASE NRFA
oxidoreductase
oligomeric count: 6
pocket vol.: 424.0 Å3
d(Fe-oop): 0.034 Å
HIS chainID: E, resSeq: 233,

molecule: CYTOCHROME C NITRITE REDUCTASE NRFA

2j7a-J-1001
sad. +0.55
ruf. -1.03
dom. +0.20
bre. -0.20
LYS chainID: J,
resSeq: 151,
molecule: CYTOCHROME C NITRITE REDUCTASE NRFA
oxidoreductase
oligomeric count: 6
pocket vol.: 470.0 Å3
d(Fe-oop): 0.116 Å
HOH chainID: J, resSeq: 2160,

molecule: water

7dih-B-201
sad. +0.28
ruf. -1.03
dom. -0.14
bre. +0.01
HIS chainID: B,
resSeq: 82,
molecule: Thermoglobin
oxygen carrier
oligomeric count: 1
pocket vol.: 531.0 Å3
d(Fe-oop): 0.041 Å
IMD chainID: B, resSeq: 202,

molecule: IMIDAZOLE

3bnf-A-511
sad. +0.13
ruf. -1.03
dom. +0.24
bre. -0.04
HIS chainID: A,
resSeq: 299,
molecule: Cytochrome c-552
oxidoreductase
oligomeric count: 2
pocket vol.: 428.0 Å3
d(Fe-oop): 0.013 Å
HIS chainID: A, resSeq: 405,

molecule: Cytochrome c-552