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(-) Description

Title :  CRYSTAL STRUCTURE OF BCHI SUBUNIT OF MAGNESIUM CHELATASE
 
Authors :  M. N. Fodje, A. Hansson, M. Hansson, J. G. Olsen, S. Gough, R. D. Willows, Karadaghi
Date :  20 Nov 00  (Deposition) - 03 Aug 01  (Release) - 12 Nov 14  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.10
Chains :  Asym./Biol. Unit :  A
Keywords :  Parallel Beta Sheet, P-Loop, Rossmann Fold, Aaa+, Photosynthesis, Metal Transport (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  M. N. Fodje, A. Hansson, M. Hansson, J. G. Olsen, S. Gough, R. D. Willows S. Al-Karadaghi
Interplay Between An Aaa Module And An Integrin I Domain Ma Regulate The Function Of Magnesium Chelatase.
J. Mol. Biol. V. 311 111 2001
PubMed-ID: 11469861  |  Reference-DOI: 10.1006/JMBI.2001.4834

(-) Compounds

Molecule 1 - MAGNESIUM-CHELATASE 38 KDA SUBUNIT
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Taxid: 562
    Fragment: BCHI SUBUNIT
    Gene: BCHI_RHOCA
    Organism Scientific: RHODOBACTER CAPSULATUS
    Organism Taxid: 1061
    Synonym: MG-PROTOPORPHYRIN IX CHELATASE

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (0, 0)

(no "Ligand,Modified Residues,Ions" information available for 1G8P)

(-) Sites  (0, 0)

(no "Site" information available for 1G8P)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1G8P)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1G8P)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1G8P)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1G8P)

(-) Exons   (0, 0)

(no "Exon" information available for 1G8P)

(-) 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:321
 aligned with BCHI_RHOCB | P26239 from UniProtKB/Swiss-Prot  Length:350

    Alignment length:333
                                    27        37        47        57        67        77        87        97       107       117       127       137       147       157       167       177       187       197       207       217       227       237       247       257       267       277       287       297       307       317       327       337       347   
           BCHI_RHOCB    18 RPVFPFSAIVGQEDMKLALLLTAVDPGIGGVLVFGDRGTGKSTAVRALAALLPEIEAVEGCPVSSPNVEMIPDWATVLSTNVIRKPTPVVDLPLGVSEDRVVGALDIERAISKGEKAFEPGLLARANRGYLYIDECNLLEDHIVDLLLDVAQSGENVVERDGLSIRHPARFVLVGSGNPEEGDLRPQLLDRFGLSVEVLSPRDVETRVEVIRRRDTYDADPKAFLEEWRPKDMDIRNQILEARERLPKVEAPNTALYDCAALCIALGSDGLRGELTLLRSARALAALEGATAVGRDHLKRVATMALSHRLRRDPLDEAGSTARVARTVEETLP 350
               SCOP domains d1g8pa_ A: ATPase subunit of magnesium chelatase, BchI                                                                                                                                                                                                                                                                                        SCOP domains
               CATH domains 1g8pA01 A:18-216 P-loop containing nucleotide triphosphate hydrolases                                                                                                                                  --------------------------------------------1g8pA02 A:261-350  [code=1.10.8.80, no name defined]                                       CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....hhhhh..hhhhhhhhhhhhhhhhhh.eeee.hhhhh.hhhhhhhhhhh..eeee........hhhhh..........eeee...eeee....hhhhhhheehhhhhhhhh...ee.hhhhhhh.eeeee.hhhhhhhhhhhhhhhhhhhheeee......eeee..eeeeeee.......hhhhhh...eeee.....hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhh.....hhhhhhhhhhhhhhhhh.------------hhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1g8p A  18 RPVFPFSAIVGQEDMKLALLLTAVDPGIGGVLVFGDRGTGKSTAVRALAALLPEIEAVEGCPVSSPNVEMIPDWATVLSTNVIRKPTPVVDLPLGVSEDRVVGALDIERAISKGEKAFEPGLLARANRGYLYIDECNLLEDHIVDLLLDVAQSGENVVERDGLSIRHPARFVLVGSGNPEEGDLRPQLLDRFGLSVEVLSPRDVETRVEVIRRRDTYDADPKAFLEEWRPKDMDIRNQILEARERLPKVEAPNTALYDCAALCIALGSDGLRGELTLLRSARALAALEGATAVGRDHLKRVATMALSHRLR------------VARTVEETLP 350
                                    27        37        47        57        67        77        87        97       107       117       127       137       147       157       167       177       187       197       207       217       227       237       247       257       267       277       287       297       307       317       327|        -   |   347   
                                                                                                                                                                                                                                                                                                                                                328          341
   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
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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: Alpha and beta proteins (a/b) (23833)

(-) CATH Domains  (2, 2)

Asymmetric/Biological Unit
(-)
Class: Alpha Beta (26913)
(-)
Class: Mainly Alpha (13335)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1G8P)

(-) Gene Ontology  (7, 7)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (BCHI_RHOCB | P26239)
molecular function
    GO:0005524    ATP binding    Interacting selectively and non-covalently with ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator.
    GO:0016874    ligase activity    Catalysis of the joining of two substances, or two groups within a single molecule, with the concomitant hydrolysis of the diphosphate bond in ATP or a similar triphosphate.
    GO:0016851    magnesium chelatase activity    Catalysis of the reaction: ATP + H(2)O + Mg(2+) + protoporphyrin IX = ADP + 2 H(+) + magnesium protoporphyrin IX + phosphate.
    GO:0000166    nucleotide binding    Interacting selectively and non-covalently with a nucleotide, any compound consisting of a nucleoside that is esterified with (ortho)phosphate or an oligophosphate at any hydroxyl group on the ribose or deoxyribose.
biological process
    GO:0030494    bacteriochlorophyll biosynthetic process    The chemical reactions and pathways resulting in the formation of a bacteriochlorophyll, any of the chlorophylls of photosynthetic bacteria. They differ structurally from the chlorophylls of higher plants.
    GO:0015995    chlorophyll biosynthetic process    The chemical reactions and pathways resulting in the formation of chlorophyll, any compound of magnesium complexed in a porphyrin (tetrapyrrole) ring and which functions as a photosynthetic pigment, from less complex precursors.
    GO:0015979    photosynthesis    The synthesis by organisms of organic chemical compounds, especially carbohydrates, from carbon dioxide (CO2) using energy obtained from light rather than from the oxidation of chemical compounds.

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 Related Entries

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        BCHI_RHOCB | P26239: 2x31

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