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3AQ8

Crystal structure of truncated hemoglobin from Tetrahymena pyriformis, Q46E mutant, Fe(III) form

Functional Information from GO Data
ChainGOidnamespacecontents
A0005344molecular_functionoxygen carrier activity
A0015671biological_processoxygen transport
A0019825molecular_functionoxygen binding
A0020037molecular_functionheme binding
A0046872molecular_functionmetal ion binding
B0005344molecular_functionoxygen carrier activity
B0015671biological_processoxygen transport
B0019825molecular_functionoxygen binding
B0020037molecular_functionheme binding
B0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues21
DetailsBINDING SITE FOR RESIDUE HEM A 144
ChainResidue
APHE37
AMET69
AHIS73
AMET76
ALEU78
AHIS82
APHE83
AILE86
AILE111
AMET118
AHOH125
APHE38
AHOH236
AHOH259
ATHR41
AHIS45
AGLN50
APHE53
ATYR64
AGLY66
ALYS67

site_idAC2
Number of Residues24
DetailsBINDING SITE FOR RESIDUE HEM B 144
ChainResidue
BPHE37
BPHE38
BTHR41
BHIS45
BGLU46
BGLN49
BGLN50
BPHE53
BTYR64
BGLY66
BLYS67
BMET69
BHIS73
BMET76
BLEU78
BHIS82
BPHE83
BILE86
BILE111
BMET118
BHOH122
BHOH169
BHOH177
BHOH190

Functional Information from PROSITE/UniProt
site_idPS01213
Number of Residues21
DetailsGLOBIN_FAM_2 Protozoan/cyanobacterial globins signature. FLtmllGGPnhYkGKn....MteaH
ChainResidueDetails
APHE53-HIS73

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsBINDING: proximal binding residue => ECO:0000255
ChainResidueDetails
AHIS73
BHIS73

site_idSWS_FT_FI2
Number of Residues2
DetailsMOD_RES: N-acetylmethionine => ECO:0000305|PubMed:2111321
ChainResidueDetails
AMET1
BMET1

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PDB entries from 2024-07-24

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