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(-) Description

Title :  HEME-LIGAND TUNNELING ON GROUP I TRUNCATED HEMOGLOBINS
 
Authors :  M. Milani, A. Pesce, Y. Ouellet, S. Dewilde, J. Friedman, P. Ascenzi, M. Guertin, M. Bolognesi
Date :  27 Jan 04  (Deposition) - 18 Mar 04  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.45
Chains :  Asym./Biol. Unit :  A
Keywords :  Ligand Diffusion, Oxygen Storage/Transport (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  M. Milani, A. Pesce, Y. Ouellet, S. Dewilde, J. Friedman, P. Ascenzi, M. Guertin, M. Bolognesi
Heme-Ligand Tunneling In Group I Truncated Hemoglobins
J. Biol. Chem. V. 279 21520 2004
PubMed-ID: 15016811  |  Reference-DOI: 10.1074/JBC.M401320200

(-) Compounds

Molecule 1 - GLOBIN LI637
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Taxid: 562
    Fragment: HEMOGLOBIN, RESIDUES 44-164
    Organism Scientific: CHLAMYDOMONAS MOEWUSII
    Organism Taxid: 3054
    Synonym: HEMOGLOBIN

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (3, 6)

Asymmetric/Biological Unit (3, 6)
No.NameCountTypeFull Name
1CYN1Ligand/IonCYANIDE ION
2HEM1Ligand/IonPROTOPORPHYRIN IX CONTAINING FE
3XE4Ligand/IonXENON

(-) Sites  (4, 4)

Asymmetric Unit (4, 4)
No.NameEvidenceResiduesDescription
1AC1SOFTWARETYR A:20 , PHE A:33 , GLN A:41 , GLN A:45 , HEM A:1122BINDING SITE FOR RESIDUE CYN A1123
2AC2SOFTWAREVAL A:29 , TYR A:32 , PHE A:33 , THR A:36 , GLN A:41 , LYS A:44 , GLN A:45 , PHE A:48 , TRP A:59 , GLY A:61 , LYS A:62 , MET A:64 , HIS A:68 , LEU A:71 , LEU A:75 , HIS A:79 , PHE A:80 , VAL A:83 , THR A:111 , VAL A:115 , CYN A:1123 , HOH A:2031BINDING SITE FOR RESIDUE HEM A1122
3AC3SOFTWARELEU A:49 , LEU A:87BINDING SITE FOR RESIDUE XE A1126
4AC4SOFTWAREALA A:11 , LEU A:91BINDING SITE FOR RESIDUE XE A1127

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1UVX)

(-) Cis Peptide Bonds  (1, 1)

Asymmetric/Biological Unit
No.Residues
1Val A:72 -Pro A:73

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1UVX)

(-) PROSITE Motifs  (1, 1)

Asymmetric/Biological Unit (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1GLOBIN_FAM_2PS01213 Protozoan/cyanobacterial globins signature.TRHN1_CHLMO91-111  1A:48-68

(-) Exons   (0, 0)

(no "Exon" information available for 1UVX)

(-) Sequences/Alignments

Asymmetric/Biological 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:121
 aligned with TRHN1_CHLMO | Q08753 from UniProtKB/Swiss-Prot  Length:164

    Alignment length:121
                                    53        63        73        83        93       103       113       123       133       143       153       163 
          TRHN1_CHLMO    44 SLFAKLGGREAVEAAVDKFYNKIVADPTVSTYFSNTDMKVQRSKQFAFLAYALGGASEWKGKDMRTAHKDLVPHLSDVHFQAVARHLSDTLTELGVPPEDITDAMAVVASTRTEVLNMPQQ 164
               SCOP domains d1uvxa_ A: Protozoan/bacterial hemoglobin                                                                                 SCOP domains
               CATH domains 1uvxA00 A:1-121 Globins                                                                                                   CATH domains
               Pfam domains Bac_globin-1uvxA01 A:1-118                                                                                            --- Pfam domains
         Sec.struct. author hhhhhhhhhhhhhhhhhhhhhhhh....hhhhhh..hhhhhhhhhhhhhhhhh.........hhhhhhh......hhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhh..... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -----------------------------------------------GLOBIN_FAM_2         ----------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------- Transcript
                 1uvx A   1 SLFAKLGGREAVEAAVDKFYNKIVADPTVSTYFSNTDMKVQRSKQFAFLAYALGGASEWKGKDMRTAHKDLVPHLSDVHFQAVARHLSDTLTELGVPPEDITDAMAVVASTRTEVLNMPQQ 121
                                    10        20        30        40        50        60        70        80        90       100       110       120
   Legend:   → Mismatch (orange background)
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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 '|'

 Classification and Annotation

(-) SCOP Domains  (1, 1)

Asymmetric/Biological Unit
(-)
Class: All alpha proteins (14657)

(-) CATH Domains  (1, 1)

Asymmetric/Biological Unit
(-)
Class: Mainly Alpha (13335)

(-) Pfam Domains  (1, 1)

Asymmetric/Biological Unit
(-)
Clan: Globin (291)

(-) Gene Ontology  (8, 8)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (TRHN1_CHLMO | Q08753)
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.
cellular component
    GO:0009507    chloroplast    A chlorophyll-containing plastid with thylakoids organized into grana and frets, or stroma thylakoids, and embedded in a stroma.
    GO:0009536    plastid    Any member of a family of organelles found in the cytoplasm of plants and some protists, which are membrane-bounded and contain DNA. Plant plastids develop from a common type, the proplastid.

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 Related Entries

(-) Entries Sharing at Least One Protein Chain (UniProt ID)

UniProtKB/Swiss-Prot
        TRHN1_CHLMO | Q08753: 1dly

(-) Related Entries Specified in the PDB File

1dly X-RAY CRYSTAL STRUCTURE OF HEMOGLOBIN FROM THE GREEN UNICELLULAR ALGA CHLAMYDOMONAS EUGAMETOS