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3QQQ

Crystal structure of non-symbiotic plant hemoglobin from Trema tomentosa

Functional Information from GO Data
ChainGOidnamespacecontents
A0019825molecular_functionoxygen binding
A0020037molecular_functionheme binding
B0019825molecular_functionoxygen binding
B0020037molecular_functionheme binding
Functional Information from PDB Data
site_idAC1
Number of Residues15
DetailsBINDING SITE FOR RESIDUE HEM A 163
ChainResidue
ALEU50
ATYR146
ALEU149
AHOH174
AHOH188
AHOH257
BLYS107
APHE51
AHIS70
ALEU101
AHIS105
AASN108
AHIS114
APHE115
ATHR118

site_idAC2
Number of Residues13
DetailsBINDING SITE FOR RESIDUE HEM B 163
ChainResidue
BLEU50
BPHE51
BTYR53
BHIS70
BTHR73
BARG100
BLEU101
BHIS105
BHIS114
BPHE115
BTHR118
BTYR146
BLEU149

site_idAC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 B 164
ChainResidue
BLYS127
BTRP134
BLYS139
BHOH259

site_idAC4
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SO4 A 164
ChainResidue
ATRP134
ALYS139
AHOH255

Functional Information from PROSITE/UniProt
site_idPS00208
Number of Residues12
DetailsPLANT_GLOBIN Plant hemoglobins signature. NPkLkpHAmtvF
ChainResidueDetails
AASN64-PHE75

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues8
DetailsMotif: {"description":"Homodimerization","evidences":[{"source":"PubMed","id":"21491905","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"3QQQ","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"21491905","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"3QQQ","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"UniProtKB","id":"O04986","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsBinding site: {"description":"distal binding residue","evidences":[{"source":"PROSITE-ProRule","id":"PRU00238","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"21491905","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"3QQQ","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues2
DetailsBinding site: {"description":"proximal binding residue","evidences":[{"source":"PROSITE-ProRule","id":"PRU00238","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"21491905","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"3QQQ","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues2
DetailsSite: {"description":"Homodimerization","evidences":[{"source":"PubMed","id":"21491905","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"3QQQ","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

246704

PDB entries from 2025-12-24

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