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6OTX

Crystallographic Structure of (HbII-HbIII)-O2 from Lucina pectinata at pH 7.0

Functional Information from GO Data
ChainGOidnamespacecontents
A0019825molecular_functionoxygen binding
A0020037molecular_functionheme binding
B0005344molecular_functionoxygen carrier activity
B0005737cellular_componentcytoplasm
B0015671biological_processoxygen transport
B0019825molecular_functionoxygen binding
B0020037molecular_functionheme binding
B0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues20
Detailsbinding site for residue HEM A 500
ChainResidue
APRO43
AARG100
AILE102
AASP106
ALEU107
AALA110
ATYR111
AOXY501
AHOH611
AHOH612
BLYS93
APHE44
BLYS96
AGLN65
AVAL68
APHE69
AMET73
AMET93
ALEU96
AHIS97

site_idAC2
Number of Residues4
Detailsbinding site for residue OXY A 501
ChainResidue
ATYR30
APHE44
AGLN65
AHEM500

site_idAC3
Number of Residues18
Detailsbinding site for residue HEM B 500
ChainResidue
ALYS92
BTHR41
BPRO44
BPHE45
BGLN66
BVAL69
BPHE70
BMET94
BLEU97
BHIS98
BARG101
BILE103
BGLU107
BLEU108
BTYR112
BOXY501
BHOH602
BHOH608

site_idAC4
Number of Residues4
Detailsbinding site for residue OXY B 501
ChainResidue
BTYR31
BPHE45
BGLN66
BHEM500

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsBinding site: {"description":"proximal binding residue"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues1
DetailsModified residue: {"description":"N-acetylthreonine","evidences":[{"source":"PubMed","id":"1815587","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues146
DetailsDomain: {"description":"Globin","evidences":[{"source":"PROSITE-ProRule","id":"PRU00238","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues1
DetailsModified residue: {"description":"N-acetylserine","evidences":[{"source":"PubMed","id":"8397786","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

247536

PDB entries from 2026-01-14

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