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(-) Description

Title :  CRYSTAL STRUCTURE OF GROUP III TRUNCATED HEMOGLOBIN FROM CAMPYLOBACTER JEJUNI
 
Authors :  M. Nardini, A. Pesce, M. Labarre, P. Ascenzi, M. Guertin, M. Bolognesi
Date :  22 Sep 06  (Deposition) - 10 Oct 06  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.15
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A  (1x)
Biol. Unit 2:  B  (1x)
Biol. Unit 3:  A,B  (1x)
Keywords :  Truncated Hemoglobin, 2-On-2 Globin, Oxygen Storage-Transport Complex (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  M. Nardini, A. Pesce, M. Labarre, C. Richard, A. Bolli, P. Ascenzi, M. Guertin, M. Bolognesi
Structural Determinants In The Group Iii Truncated Hemoglobin From Campylobacter Jejuni.
J. Biol. Chem. V. 281 37803 2006
PubMed-ID: 17023416  |  Reference-DOI: 10.1074/JBC.M607254200

(-) Compounds

Molecule 1 - GROUP III TRUNCATED HAEMOGLOBIN
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Gene: CTB
    Organism Scientific: CAMPYLOBACTER JEJUNI
    Organism Taxid: 197
    Synonym: GROUP III TRUNCATED HEMOGLOBIN

 Structural Features

(-) Chains, Units

  12
Asymmetric Unit : AB
Biological Unit 1 (1x): A 
Biological Unit 2 (1x):  B
Biological Unit 3 (1x): AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (4, 11)

Asymmetric Unit (4, 11)
No.NameCountTypeFull Name
1ACT3Ligand/IonACETATE ION
2CYN2Ligand/IonCYANIDE ION
3HEM2Ligand/IonPROTOPORPHYRIN IX CONTAINING FE
4SO44Ligand/IonSULFATE ION
Biological Unit 1 (4, 4)
No.NameCountTypeFull Name
1ACT1Ligand/IonACETATE ION
2CYN1Ligand/IonCYANIDE ION
3HEM1Ligand/IonPROTOPORPHYRIN IX CONTAINING FE
4SO41Ligand/IonSULFATE ION
Biological Unit 2 (4, 7)
No.NameCountTypeFull Name
1ACT2Ligand/IonACETATE ION
2CYN1Ligand/IonCYANIDE ION
3HEM1Ligand/IonPROTOPORPHYRIN IX CONTAINING FE
4SO43Ligand/IonSULFATE ION
Biological Unit 3 (4, 11)
No.NameCountTypeFull Name
1ACT3Ligand/IonACETATE ION
2CYN2Ligand/IonCYANIDE ION
3HEM2Ligand/IonPROTOPORPHYRIN IX CONTAINING FE
4SO44Ligand/IonSULFATE ION

(-) Sites  (11, 11)

Asymmetric Unit (11, 11)
No.NameEvidenceResiduesDescription
01AC1SOFTWARETYR A:19 , PHE A:32 , TRP A:86 , HEM A:700BINDING SITE FOR RESIDUE CYN A 800
02AC2SOFTWARETYR B:19 , PHE B:32 , TRP B:86 , HEM B:700BINDING SITE FOR RESIDUE CYN B 800
03AC3SOFTWAREHOH A:864BINDING SITE FOR RESIDUE ACT A 820
04AC4SOFTWARELYS A:44 , ASP B:40 , LYS B:44BINDING SITE FOR RESIDUE ACT B 822
05AC5SOFTWAREPRO A:30 , ASN A:33 , ASN B:7 , GLN B:8 , GLU B:61BINDING SITE FOR RESIDUE ACT B 823
06AC6SOFTWARETYR A:122 , LYS A:123 , TYR A:124 , HIS B:116 , ASN B:119 , MET B:120BINDING SITE FOR RESIDUE SO4 B 810
07AC7SOFTWAREASN B:99 , GLU B:100BINDING SITE FOR RESIDUE SO4 B 811
08AC8SOFTWAREGLN A:67 , PRO A:68 , LEU A:69 , LYS A:70 , HOH A:848 , HOH A:864BINDING SITE FOR RESIDUE SO4 A 812
09AC9SOFTWAREARG B:23 , ASP B:40 , TRP B:43 , LYS B:44 , LYS B:47 , HOH B:855BINDING SITE FOR RESIDUE SO4 B 813
10BC1SOFTWAREPHE A:32 , ALA A:35 , ILE A:36 , LYS A:49 , ILE A:50 , PHE A:53 , TRP A:54 , TYR A:64 , LYS A:71 , HIS A:72 , PHE A:78 , PHE A:82 , PHE A:83 , TRP A:86 , ILE A:113 , CYN A:800 , HOH A:850BINDING SITE FOR RESIDUE HEM A 700
11BC2SOFTWAREPHE B:32 , ILE B:36 , HIS B:46 , LYS B:49 , ILE B:50 , PHE B:53 , TRP B:54 , TYR B:64 , GLY B:66 , LYS B:71 , HIS B:72 , PHE B:78 , PHE B:82 , PHE B:83 , TRP B:86 , ILE B:113 , PHE B:117 , CYN B:800 , HOH B:824 , HOH B:834 , HOH B:851BINDING SITE FOR RESIDUE HEM B 700

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2IG3)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2IG3)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2IG3)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 2IG3)

(-) Exons   (0, 0)

(no "Exon" information available for 2IG3)

(-) Sequences/Alignments

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:127
 aligned with TRHBP_CAMJE | Q0PB48 from UniProtKB/Swiss-Prot  Length:127

    Alignment length:127
                                    10        20        30        40        50        60        70        80        90       100       110       120       
          TRHBP_CAMJE     1 MKFETINQESIAKLMEIFYEKVRKDKDLGPIFNNAIGTSDEEWKEHKAKIGNFWAGMLLGEGDYNGQPLKKHLDLPPFPQEFFEIWLKLFEESLNIVYNEEMKNVILQRAQMIASHFQNMLYKYGGH 127
               SCOP domains d2ig3a_ A: automated matches                                                                                                    SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ......hhhhhhhhhhhhhhhhhhh.hhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhh.......hhhhhhhh......hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2ig3 A   1 MKFETINQESIAKLMEIFYEKVRKDKDLGPIFNNAIGTSDEEWKEHKAKIGNFWAGMLLGEGDYNGQPLKKHLDLPPFPQEFFEIWLKLFEESLNIVYNEEMKNVILQRAQMIASHFQNMLYKYGGH 127
                                    10        20        30        40        50        60        70        80        90       100       110       120       


Chain B from PDB  Type:PROTEIN  Length:124
 aligned with TRHBP_CAMJE | Q0PB48 from UniProtKB/Swiss-Prot  Length:127

    Alignment length:124
                                    10        20        30        40        50        60        70        80        90       100       110       120    
          TRHBP_CAMJE     1 MKFETINQESIAKLMEIFYEKVRKDKDLGPIFNNAIGTSDEEWKEHKAKIGNFWAGMLLGEGDYNGQPLKKHLDLPPFPQEFFEIWLKLFEESLNIVYNEEMKNVILQRAQMIASHFQNMLYKY 124
               SCOP domains d2ig3b_ B: automated matches                                                                                                 SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ......hhhhhhhhhhhhhhhhhhh.hhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhh......hhhhhhhh.....hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------- Transcript
                 2ig3 B   1 MKFETINQESIAKLMEIFYEKVRKDKDLGPIFNNAIGTSDEEWKEHKAKIGNFWAGMLLGEGDYNGQPLKKHLDLPPFPQEFFEIWLKLFEESLNIVYNEEMKNVILQRAQMIASHFQNMLYKY 124
                                    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, 2)

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

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 2IG3)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 2IG3)

(-) Gene Ontology  (5, 5)

Asymmetric Unit(hide GO term definitions)
Chain A,B   (TRHBP_CAMJE | Q0PB48)
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).
biological process
    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:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.

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 Related Entries

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

(no "Entries Sharing at Least One Protein Chain" available for 2IG3)

(-) Related Entries Specified in the PDB File

1dlw 1DLW IS THE CRYSTAL STRUCTURE OF TRUNCATED HEMOGLOBIN FROM P.CAUDATUM, DETERMINED AT 1.54 ANGSTROM RESOLUTION
1dly 1DLY IS THE CRYSTAL STRUCTURE OF HEMOGLOBIN FROM THE GREEN UNICELLULAR ALGA CHLAMYDOMONAS EUGAMETOS, DETERMINED AT 1.80 ANGSTROM RESOLUTION
1idr 1IDR IS THE CRYSTAL STRUCTURE OF TRUNCATED HEMOGLOBIN-N FROM MYCOBACTERIUM TUBERCULOSIS, DETERMINED AT 1.90 ANGSTROM RESOLUTION
1ngk 1NGK IS THE CRYSTAL STRUCTURE OF HEMOGLOBIN-O FROM MYCOBACTERIUM TUBERCULOSIS, DETERMINED AT 2.11 ANGSTROM RESOLUTION
1s69 1S69 IS THE CRYSTAL STRUCTURE OF HEMOGLOBIN (CYANOGLOBIN) FROM CYANOBACTERIA SYNECHOCYSTIS WITH CYANIDE LIGAND, DETERMINED AT 1.68 ANGSTROM RESOLUTION
1ux8 1UX8 IS THE CRYSTAL STRUCTURE OF TRUNCATED OXYGEN-AVID HEMOGLOBIN FROM BACILLUS SUBTILIS, DETERMINED AT 2.15 ANGSTROM RESOLUTION