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(-) Description

Title :  AQUO-MET STRUCTURE OF C.LACTEUS MINI-HB
 
Authors :  A. Pesce, M. Nardini, S. Dewilde, L. Capece, M. A. Marti, S. Congia, M. D. G. C. Blouin, D. A. Estrin, P. Ascenzi, L. Moens, M. Bolognesi, J. S. Ols
Date :  08 Jul 10  (Deposition) - 08 Dec 10  (Release) - 21 Aug 13  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.30
Chains :  Asym./Biol. Unit :  A
Keywords :  Oxygen Storage, Metal-Binding (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  A. Pesce, M. Nardini, S. Dewilde, L. Capece, M. A. Marti, S. Congia, M. D. Salter, G. C. Blouin, D. A. Estrin, P. Ascenzi, L. Moens, M. Bolognesi, J. S. Olson
Ligand Migration In The Apolar Tunnel Of Cerebratulus Lacteus Mini-Hemoglobin.
J. Biol. Chem. V. 286 5347 2011
PubMed-ID: 21147768  |  Reference-DOI: 10.1074/JBC.M110.169045

(-) Compounds

Molecule 1 - NEURAL HEMOGLOBIN
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Taxid: 562
    Organism Common: MILKY RIBBON-WORM
    Organism Scientific: CEREBRATULUS LACTEUS
    Organism Taxid: 6221
    Synonym: NRHB, MINI-HEMOGLOBIN
    Tissue: NERVE TISSUE

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : A

Summary Information (see also Sequences/Alignments below)

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

Asymmetric/Biological Unit (3, 3)
No.NameCountTypeFull Name
1GOL1Ligand/IonGLYCEROL
2HEM1Ligand/IonPROTOPORPHYRIN IX CONTAINING FE
3SO41Ligand/IonSULFATE ION

(-) Sites  (3, 3)

Asymmetric Unit (3, 3)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREMET A:0 , PHE A:10 , TYR A:21 , LYS A:24 , PHE A:25 , GLN A:44 , LYS A:47 , LEU A:65 , ARG A:68 , HIS A:69 , ARG A:72 , PHE A:79 , ILE A:102 , SO4 A:1111 , HOH A:2037 , HOH A:2060 , HOH A:2127 , HOH A:2128 , HOH A:2130 , HOH A:2131BINDING SITE FOR RESIDUE HEM A1110
2AC2SOFTWAREMET A:0 , VAL A:1 , TRP A:3 , ARG A:68 , HEM A:1110 , HOH A:2072 , HOH A:2133 , HOH A:2134 , HOH A:2135 , HOH A:2136 , HOH A:2137BINDING SITE FOR RESIDUE SO4 A1111
3AC3SOFTWAREASN A:2 , HIS A:93 , HOH A:2004BINDING SITE FOR RESIDUE GOL A1112

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2XKI)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2XKI)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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(-) PROSITE Motifs  (0, 0)

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(-) Exons   (0, 0)

(no "Exon" information available for 2XKI)

(-) 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    
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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:110
 aligned with GLBN_CERLA | O76242 from UniProtKB/Swiss-Prot  Length:110

    Alignment length:110
                                    10        20        30        40        50        60        70        80        90       100       110
           GLBN_CERLA     1 MVNWAAVVDDFYQELFKAHPEYQNKFGFKGVALGSLKGNAAYKTQAGKTVDYINAAIGGSADAAGLASRHKGRNVGSAEFHNAKACLAKACSAHGAPDLGHAIDDILSHL 110
               SCOP domains d2xkia_ A: Nerve tissue mini-hemoglobin (neural globin)                                                        SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -Globin-2xkiA01 A:1-87                                                                  ---------------------- Pfam domains
         Sec.struct. author ..hhhhhhhhhhhhhhhhhhhhhhhh.....hhhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhh...hhhhhhhhhhhhhhhhhhh....hhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------- Transcript
                 2xki A   0 MVNWAAVVDDFYQELFKAHPEYQNKFGFKGVALGSLKGNAAYKTQAGKTVDYINAAIGGSADAAGLASRHKGRNVGSAEFHNAKACLAKACSAHGAPDLGHAIDDILSHL 109
                                     9        19        29        39        49        59        69        79        89        99       109
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 Classification and Annotation

(-) SCOP Domains  (1, 1)

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

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 2XKI)

(-) Pfam Domains  (1, 1)

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

(-) Gene Ontology  (6, 6)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (GLBN_CERLA | O76242)
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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 Related Entries

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

UniProtKB/Swiss-Prot
        GLBN_CERLA | O76242: 1kr7 1v07 2vyy 2vyz 2xkg 2xkh 4avd 4ave 4f68 4f69 4f6b 4f6d 4f6f 4f6g 4f6i 4f6j

(-) Related Entries Specified in the PDB File

1kr7 CRYSTAL STRUCTURE OF THE NERVE TISSUE MINI- HEMOGLOBIN FROMTHE NEMERTEAN WORM CEREBRATULUS LACTEUS
1v07 CRYSTAL STRUCTURE OF THRE11VAL MUTANT OF THE NERVE TISSUE MINI-HEMOGLOBIN FROM THE NEMERTEAN WORM CEREBRATULUS LACTEUS
2vyy MUTANT ALA55TRP OF CEREBRATULS LACTEUS MINI- HEMOGLOBIN
2vyz MUTANT ALA55PHE OF CEREBRATULUS LACTEUS MINI- HEMOGLOBIN
2xkg C.LACTEUS MINI-HB LEU86ALA MUTANT
2xkh XE DERIVATIVE OF C.LACTEUS MINI-HB LEU86ALA MUTANT