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3PT8

Structure of HbII-III-CN from Lucina pectinata at pH 5.0

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 Residues23
DetailsBINDING SITE FOR RESIDUE HEM A 500
ChainResidue
ATHR40
AHIS97
AARG100
AILE102
AASP106
ALEU107
ATYR111
AHOH157
AHOH173
AHOH179
AHOH188
APRO43
ACYN501
BLYS93
BHOH187
BHOH198
APHE44
ALEU47
AGLN65
AVAL68
APHE69
AMET73
ALEU96

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CYN A 501
ChainResidue
ATYR30
AGLN65
APHE69
AHEM500

site_idAC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE GOL A 152
ChainResidue
ATHR4
AGLN7
AGLY49
ALEU51
AHOH213
AHOH277

site_idAC4
Number of Residues6
DetailsBINDING SITE FOR RESIDUE FMT A 153
ChainResidue
ATHR4
AASN5
APRO6
BLYS13
BSER17
BASP79

site_idAC5
Number of Residues4
DetailsBINDING SITE FOR RESIDUE FMT A 154
ChainResidue
AGLN55
AASN59
AGLU133
AVAL134

site_idAC6
Number of Residues23
DetailsBINDING SITE FOR RESIDUE HEM B 500
ChainResidue
ALYS92
BTHR41
BPRO44
BPHE45
BGLN66
BVAL69
BPHE70
BMET74
BMET94
BLEU97
BHIS98
BARG101
BILE103
BGLU107
BLEU108
BTYR112
BHOH163
BHOH164
BHOH170
BHOH192
BHOH207
BHOH211
BCYN501

site_idAC7
Number of Residues3
DetailsBINDING SITE FOR RESIDUE CYN B 501
ChainResidue
BTYR31
BGLN66
BHEM500

site_idAC8
Number of Residues4
DetailsBINDING SITE FOR RESIDUE GOL B 153
ChainResidue
AHOH188
AHOH211
BGLN92
BHOH187

site_idAC9
Number of Residues2
DetailsBINDING SITE FOR RESIDUE FMT B 154
ChainResidue
BASP40
BGLU107

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_FI3
Number of Residues146
DetailsDomain: {"description":"Globin","evidences":[{"source":"PROSITE-ProRule","id":"PRU00238","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsModified residue: {"description":"N-acetylserine","evidences":[{"source":"PubMed","id":"8397786","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

246031

PDB entries from 2025-12-10

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