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3PEL

Structure of Greyhound Hemoglobin: Origin of High Oxygen Affinity

Replaces:  3N48
Functional Information from GO Data
ChainGOidnamespacecontents
A0005344molecular_functionoxygen carrier activity
A0005506molecular_functioniron ion binding
A0005833cellular_componenthemoglobin complex
A0015671biological_processoxygen transport
A0019825molecular_functionoxygen binding
A0020037molecular_functionheme binding
A0031838cellular_componenthaptoglobin-hemoglobin complex
A0046872molecular_functionmetal ion binding
A0048821biological_processerythrocyte development
B0005344molecular_functionoxygen carrier activity
B0005833cellular_componenthemoglobin complex
B0015671biological_processoxygen transport
B0019825molecular_functionoxygen binding
B0020037molecular_functionheme binding
B0031721molecular_functionhemoglobin alpha binding
B0031838cellular_componenthaptoglobin-hemoglobin complex
B0046872molecular_functionmetal ion binding
B0048821biological_processerythrocyte development
Functional Information from PDB Data
site_idAC1
Number of Residues20
DetailsBINDING SITE FOR RESIDUE HEM A 142
ChainResidue
ATYR42
ALEU91
AVAL93
AASN97
APHE98
ALEU101
ALEU136
AHOH147
AHOH253
AHOH274
AHOH421
APHE43
AHOH451
AHIS45
APHE46
AHIS58
ALYS61
ALEU83
ALEU86
AHIS87

site_idAC2
Number of Residues18
DetailsBINDING SITE FOR RESIDUE HEM B 147
ChainResidue
BTHR38
BPHE41
BPHE42
BHIS63
BSER70
BPHE71
BLEU88
BHIS92
BLEU96
BASN102
BPHE103
BLEU106
BLEU141
BHOH213
BHOH336
BHOH375
BHOH416
BHOH452

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues8
DetailsPeptide: {"description":"Hemopressin","featureId":"PRO_0000455847","evidences":[{"source":"UniProtKB","id":"P01946","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues284
DetailsDomain: {"description":"Globin","evidences":[{"source":"PROSITE-ProRule","id":"PRU00238","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00238","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsBinding site: {"description":"proximal binding residue","evidences":[{"source":"PROSITE-ProRule","id":"PRU00238","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues3
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"UniProtKB","id":"P69905","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues3
DetailsModified residue: {"description":"N6-succinyllysine","evidences":[{"source":"UniProtKB","id":"P01942","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues1
DetailsModified residue: {"description":"Phosphothreonine","evidences":[{"source":"UniProtKB","id":"P69905","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues1
DetailsModified residue: {"description":"N6-succinyllysine; alternate","evidences":[{"source":"UniProtKB","id":"P01942","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues1
DetailsModified residue: {"description":"Phosphotyrosine","evidences":[{"source":"UniProtKB","id":"P69905","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues3
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"UniProtKB","id":"P01942","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues3
DetailsModified residue: {"description":"Phosphothreonine","evidences":[{"source":"UniProtKB","id":"P01942","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI12
Number of Residues1
DetailsBinding site: {"description":"distal binding residue"}
ChainResidueDetails

site_idSWS_FT_FI13
Number of Residues1
DetailsBinding site: {"description":"proximal binding residue"}
ChainResidueDetails

site_idSWS_FT_FI14
Number of Residues1
DetailsModified residue: {"description":"N-acetylvaline","evidences":[{"source":"UniProtKB","id":"P02086","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI15
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"UniProtKB","id":"P68871","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI16
Number of Residues3
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"UniProtKB","id":"P68871","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI17
Number of Residues1
DetailsModified residue: {"description":"S-nitrosocysteine","evidences":[{"source":"UniProtKB","id":"P68871","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

239149

PDB entries from 2025-07-23

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