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3HX9

Structure of heme-degrader, MhuD (Rv3592), from Mycobacterium tuberculosis with two hemes bound in its active site

Functional Information from GO Data
ChainGOidnamespacecontents
A0004392molecular_functionheme oxygenase (decyclizing) activity
A0004497molecular_functionmonooxygenase activity
A0005886cellular_componentplasma membrane
A0009274cellular_componentpeptidoglycan-based cell wall
A0016491molecular_functionoxidoreductase activity
A0020037molecular_functionheme binding
A0042167biological_processheme catabolic process
A0046872molecular_functionmetal ion binding
B0004392molecular_functionheme oxygenase (decyclizing) activity
B0004497molecular_functionmonooxygenase activity
B0005886cellular_componentplasma membrane
B0009274cellular_componentpeptidoglycan-based cell wall
B0016491molecular_functionoxidoreductase activity
B0020037molecular_functionheme binding
B0042167biological_processheme catabolic process
B0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues10
DetailsBINDING SITE FOR RESIDUE HEM A 300
ChainResidue
AARG22
AHEM200
AARG26
AALA29
ATRP66
AALA67
AALA71
AHIS75
AHIS75
AASN81

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CL A 301
ChainResidue
AASN7
APHE23
AVAL53
AHEM200

site_idAC3
Number of Residues15
DetailsBINDING SITE FOR RESIDUE HEM A 200
ChainResidue
AASN7
AARG22
APHE23
AVAL30
APHE39
ATHR55
APHE63
AILE72
AASN81
APRO82
AVAL83
AALA84
AGLY86
AHEM300
ACL301

site_idAC4
Number of Residues13
DetailsBINDING SITE FOR RESIDUE HEM B 300
ChainResidue
BARG22
BARG26
BALA29
BTRP66
BALA67
BALA71
BALA74
BHIS75
BHIS75
BALA80
BPRO82
BHOH125
BHEM200

site_idAC5
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CL B 301
ChainResidue
BASN7
BPHE23
BVAL53
BHEM200

site_idAC6
Number of Residues14
DetailsBINDING SITE FOR RESIDUE HEM B 200
ChainResidue
BASN7
BARG22
BPHE23
BVAL30
BPHE39
BTHR55
BILE72
BPRO82
BVAL83
BALA84
BGLY86
BHOH184
BHEM300
BCL301

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues178
DetailsDomain: {"description":"ABM"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues14
DetailsBinding site: {}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsBinding site: {"description":"axial binding residue"}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsSite: {"description":"Transition state stabilizer","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

249697

PDB entries from 2026-02-25

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