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1QHU

MAMMALIAN BLOOD SERUM HAEMOPEXIN DEGLYCOSYLATED AND IN COMPLEX WITH ITS LIGAND HAEM

Functional Information from GO Data
ChainGOidnamespacecontents
A0006879biological_processintracellular iron ion homeostasis
A0015232molecular_functionheme transmembrane transporter activity
A0015886biological_processheme transport
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CL A 435
ChainResidue
ATHR36
AALA77
AALA123
ASER167
AALA168
ANA437

site_idAC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE NA A 436
ChainResidue
AASP75
AASP121
ATHR166
AHOH526
AASP34

site_idAC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE NA A 437
ChainResidue
ATHR36
AALA77
AALA123
AALA168
ACL435
AHOH502

site_idAC4
Number of Residues6
DetailsBINDING SITE FOR RESIDUE NA A 438
ChainResidue
AMET238
AALA283
AALA335
AALA378
ACL439
APO4441

site_idAC5
Number of Residues7
DetailsBINDING SITE FOR RESIDUE CL A 439
ChainResidue
AMET238
AALA282
AALA283
AALA334
AALA335
AALA378
ANA438

site_idAC6
Number of Residues5
DetailsBINDING SITE FOR RESIDUE NA A 440
ChainResidue
ASER236
AASP281
AASP333
AASP376
AHOH619

site_idAC7
Number of Residues9
DetailsBINDING SITE FOR RESIDUE PO4 A 441
ChainResidue
AALA283
APHE284
AALA335
APHE336
AVAL337
AALA378
ALEU379
ACYS380
ANA438

site_idAC8
Number of Residues18
DetailsBINDING SITE FOR RESIDUE HEM A 500
ChainResidue
ATRP171
AARG174
ATYR176
APHE183
AARG185
ATYR197
ATYR204
APHE205
AHIS213
AARG214
AHIS222
AGLU225
AHIS265
ATRP267
APRO268
AHIS271
AHOH584
AHOH643

site_idHIS
Number of Residues2
DetailsAXIAL HAEM LIGANDS
ChainResidue
AHIS213
AHIS265

Functional Information from PROSITE/UniProt
site_idPS00024
Number of Residues16
DetailsHEMOPEXIN Hemopexin domain signature. IAhqWpqgPsTVDAAF
ChainResidueDetails
AILE269-PHE284

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues40
DetailsRepeat: {"description":"Hemopexin 1"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues44
DetailsRepeat: {"description":"Hemopexin 3"}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues46
DetailsRepeat: {"description":"Hemopexin 4"}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues45
DetailsRepeat: {"description":"Hemopexin 5"}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues47
DetailsRepeat: {"description":"Hemopexin 6"}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues39
DetailsRepeat: {"description":"Hemopexin 7"}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues50
DetailsRepeat: {"description":"Hemopexin 8"}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues4
DetailsBinding site: {"description":"axial binding residue"}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues2
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

245663

PDB entries from 2025-12-03

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