3AQ8 - JenaLib

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Title :   CRYSTAL STRUCTURE OF TRUNCATED HEMOGLOBIN FROM TETRAHYMENA PYRIFORMIS, Q46E MUTANT, FE(III) FORM

Authors :   J. Igarashi, K. Kobayashi, A. Matsuoka

Date :   25 Oct 10 (Deposition) - 20 Apr 11 (Release) - 20 Apr 11 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   1.83

Chains :   Asym. Unit : A,B
Biol. Unit 1: A  (1x)
Biol. Unit 2: B  (1x)

Keywords :   2/2 Fold Hemoglobin, Nitric Oxide Detoxification, Oxygen Binding (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   J. Igarashi, K. Kobayashi, A. Matsuoka
A Hydrogen-Bonding Network Formed By The B10-E7-E11 Residue Of A Truncated Hemoglobin From Tetrahymena Pyriformis Is Critical For Stability Of Bound Oxygen And Nitric Oxide Detoxification.
J. Biol. Inorg. Chem. V. 16 599 2011
PubMed-ID: 21298303 | Reference-DOI: 10.1007/S00775-011-0761-3

Molecule 1 - GROUP 1 TRUNCATED HEMOGLOBIN
	Chains	:	A, B
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI
	Expression System Plasmid	:	PET-21C(+)
	Expression System Strain	:	BL21(DE3) CODON PLUS RIL
	Expression System Taxid	:	562
	Expression System Vector Type	:	PLASMID
	Mutation	:	YES
	Organism Scientific	:	TETRAHYMENA PYRIFORMIS
	Organism Taxid	:	5908

		1	2
Asymmetric Unit	:	A	B
Biological Unit 1 (1x)	:	A
Biological Unit 2 (1x)	:		B

Summary Information (see also Sequences/Alignments below)

Asymmetric Unit (1, 2)

No.	Name	Count	Type	Full Name
1	HEM	2	Ligand/Ion	PROTOPORPHYRIN IX CONTAINING FE

Biological Unit 1 (1, 1)

No.	Name	Count	Type	Full Name
1	HEM	1	Ligand/Ion	PROTOPORPHYRIN IX CONTAINING FE

Biological Unit 2 (1, 1)

No.	Name	Count	Type	Full Name
1	HEM	1	Ligand/Ion	PROTOPORPHYRIN IX CONTAINING FE

Asymmetric Unit (2, 2)

No.	Name	Evidence	Residues	Description
1	AC1	SOFTWARE	PHE A:37 , PHE A:38 , THR A:41 , HIS A:45 , GLN A:50 , PHE A:53 , TYR A:64 , GLY A:66 , LYS A:67 , MET A:69 , HIS A:73 , MET A:76 , LEU A:78 , HIS A:82 , PHE A:83 , ILE A:86 , ILE A:111 , MET A:118 , HOH A:125 , HOH A:236 , HOH A:259	BINDING SITE FOR RESIDUE HEM A 144
2	AC2	SOFTWARE	PHE B:37 , PHE B:38 , THR B:41 , HIS B:45 , GLU B:46 , GLN B:49 , GLN B:50 , PHE B:53 , TYR B:64 , GLY B:66 , LYS B:67 , MET B:69 , HIS B:73 , MET B:76 , LEU B:78 , HIS B:82 , PHE B:83 , ILE B:86 , ILE B:111 , MET B:118 , HOH B:122 , HOH B:169 , HOH B:177 , HOH B:190	BINDING SITE FOR RESIDUE HEM B 144

(no "SS Bond" information available for 3AQ8)

(no "Cis Peptide Bond" information available for 3AQ8)

(no "SAP(SNP)/Variant" information available for 3AQ8)

Asymmetric Unit (1, 2)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	GLOBIN_FAM_2	PS01213	Protozoan/cyanobacterial globins signature.	TRHBN_TETPY	53-73	2	A:53-73 B:53-73

Biological Unit 1 (1, 1)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	GLOBIN_FAM_2	PS01213	Protozoan/cyanobacterial globins signature.	TRHBN_TETPY	53-73	1	A:53-73 -

Biological Unit 2 (1, 1)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	GLOBIN_FAM_2	PS01213	Protozoan/cyanobacterial globins signature.	TRHBN_TETPY	53-73	1	- B:53-73

(no "Exon" information available for 3AQ8)

Asymmetric Unit

Reformat:	Number of residues per line = ('0' or empty: single-line sequence representation)
	Number of residues per labelling interval =
	UniProt sequence: complete aligned part

Show mapping:	SCOP domains	CATH domains	Pfam domains	Secondary structure (by author)
	SAPs(SNPs)	PROSITE motifs	Exons
	(details for a mapped element are shown in a popup box when the mouse pointer rests over it)

Chain A from PDB  Type:PROTEIN  Length:117
 aligned with TRHBN_TETPY | P17724 from UniProtKB/Swiss-Prot  Length:121

    Alignment length:117
                                    14        24        34        44        54        64        74        84        94       104       114       
          TRHBN_TETPY     5 QTIYEKLGGENAMKAAVPLFYKKVLADERVKHFFKNTDMDHQTKQQTDFLTMLLGGPNHYKGKNMTEAHKGMNLQNLHFDAIIENLAATLKELGVTDAVINEAAKVIEHTRKDMLGK 121
               SCOP domains d3aq8a_ A: automated matches                                                                                          SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhhhhhhhhhhh....hhhhhh..hhhhhhhhhhhhhhhhh.........hhhhhh.....hhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------GLOBIN_FAM_2         ------------------------------------------------ PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------- Transcript
                 3aq8 A   5 QTIYEKLGGENAMKAAVPLFYKKVLADERVKHFFKNTDMDHETKQQTDFLTMLLGGPNHYKGKNMTEAHKGMNLQNLHFDAIIENLAATLKELGVTDAVINEAAKVIEHTRKDMLGK 121
                                    14        24        34        44        54        64        74        84        94       104       114

Chain B from PDB  Type:PROTEIN  Length:117
 aligned with TRHBN_TETPY | P17724 from UniProtKB/Swiss-Prot  Length:121

    Alignment length:117
                                    14        24        34        44        54        64        74        84        94       104       114       
          TRHBN_TETPY     5 QTIYEKLGGENAMKAAVPLFYKKVLADERVKHFFKNTDMDHQTKQQTDFLTMLLGGPNHYKGKNMTEAHKGMNLQNLHFDAIIENLAATLKELGVTDAVINEAAKVIEHTRKDMLGK 121
               SCOP domains d3aq8b_ B: automated matches                                                                                          SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhhhhhhhhhhh....hhhhhh..hhhhhhhhhhhhhhhhh.........hhhhhh.....hhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhh.hhhhhh.. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------GLOBIN_FAM_2         ------------------------------------------------ PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------- Transcript
                 3aq8 B   5 QTIYEKLGGENAMKAAVPLFYKKVLADERVKHFFKNTDMDHETKQQTDFLTMLLGGPNHYKGKNMTEAHKGMNLQNLHFDAIIENLAATLKELGVTDAVINEAAKVIEHTRKDMLGK 121
                                    14        24        34        44        54        64        74        84        94       104       114

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	x	→ Chemical Group	(purple background, 'x', labelled with number + name, e.g. ACE or NH2)
	extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '\|'

Asymmetric Unit

Classes(

)

Folds(

)

Superfamilies( (-)

)

Families(

)

Protein Domains( (-)

)

Organisms( (-)

)

Class: All alpha proteins (14657)

Fold: Globin-like (1351)

Superfamily: Globin-like (1308)

Family: automated matches (42)

Protein domain: automated matches (42)

Tetrahymena pyriformis [TaxId: 5908] (5)

1a	d3aq8a_	A:
1b	d3aq8b_	B:

(no "CATH Domain" information available for 3AQ8)

(no "Pfam Domain" information available for 3AQ8)

Asymmetric Unit(hide GO term definitions)

Chain A,B (TRHBN_TETPY | P17724)

molecular function
	GO:0020037	heme binding	Interacting selectively and non-covalently with heme, any compound of iron complexed in a porphyrin (tetrapyrrole) ring.
	GO:0046872	metal ion binding	Interacting selectively and non-covalently with any metal ion.
	GO:0019825	oxygen binding	Interacting selectively and non-covalently with oxygen (O2).
	GO:0005344	oxygen transporter activity	Enables the directed movement of oxygen into, out of or within a cell, or between cells.
biological process
	GO:0015671	oxygen transport	The directed movement of oxygen (O2) into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
	GO:0006810	transport	The directed movement of substances (such as macromolecules, small molecules, ions) or cellular components (such as complexes and organelles) into, out of or within a cell, or between cells, or within a multicellular organism by means of some agent such as a transporter, pore or motor protein.

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	TRHBN_TETPY \| P17724
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	TRHBN_TETPY \| P17724
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	TRHBN_TETPY \| P17724	:	3aq5 3aq6 3aq7 3aq9

Description

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Ligands, Modified Residues, Ions (1, 2)

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SS Bonds (0, 0)

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