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(-) Description

Title :  G51S MUTANT OF L. CASEI FPGS
 
Authors :  C. A. Smith, J. A. Cross, A. L. Bognar, X. Sun
Date :  13 Mar 06  (Deposition) - 27 Jun 06  (Release) - 23 Jun 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.85
Chains :  Asym./Biol. Unit :  A
Keywords :  Atpase, P-Loop, Site-Directed Mutant, Ligase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  C. A. Smith, J. A. Cross, A. L. Bognar, X. Sun
Mutation Of Gly51 To Serine In The P-Loop Of Lactobacillus Casei Folylpolyglutamate Synthetase Abolishes Activity By Altering The Conformation Of Two Adjacent Loops.
Acta Crystallogr. , Sect. D V. 62 548 2006
PubMed-ID: 16627949  |  Reference-DOI: 10.1107/S0907444906009796
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - FOLYLPOLYGLUTAMATE SYNTHASE
    Chains: A
    EC Number: 6.3.2.17
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Taxid: 562
    Gene: FGS
    Mutation: YES
    Organism Scientific: LACTOBACILLUS CASEI
    Organism Taxid: 1582
    Synonym: FOLYLPOLY-GAMMA-GLUTAMATE SYNTHETASE, FPGS, TETRAHYDROFOLATE SYNTHASE, TETRAHYDROFOLYLPOLYGLUTAMATE SYNTHASE

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 3)

Asymmetric/Biological Unit (2, 3)
No.NameCountTypeFull Name
1KCX1Mod. Amino AcidLYSINE NZ-CARBOXYLIC ACID
2SO42Ligand/IonSULFATE ION

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREASN A:48 , GLY A:49 , LYS A:50 , SER A:51 , SER A:52 , ARG A:300 , HOH A:621 , HOH A:720 , HOH A:742BINDING SITE FOR RESIDUE SO4 A 900
2AC2SOFTWAREGLN A:38 , ARG A:133BINDING SITE FOR RESIDUE SO4 A 901

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2GC5)

(-) Cis Peptide Bonds  (1, 1)

Asymmetric/Biological Unit
No.Residues
1Thr A:307 -Pro A:308

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2GC5)

(-) PROSITE Motifs  (2, 2)

Asymmetric/Biological Unit (2, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1FOLYLPOLYGLU_SYNT_1PS01011 Folylpolyglutamate synthase signature 1.FPGS_LACCA42-65  1A:42-65
2FOLYLPOLYGLU_SYNT_2PS01012 Folylpolyglutamate synthase signature 2.FPGS_LACCA141-156  1A:141-156

(-) Exons   (0, 0)

(no "Exon" information available for 2GC5)

(-) 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:408
 aligned with FPGS_LACCA | P15925 from UniProtKB/Swiss-Prot  Length:428

    Alignment length:425
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310       320       330       340       350       360       370       380       390       400       410       420     
           FPGS_LACCA     1 MNYTETVAYIHSFPRLAKTGDHRRILTLLHALGNPQQQGRYIHVTGTNGKGSAANAIAHVLEASGLTVGLYTSPFIMRFNERIMIDHEPIPDAALVNAVAFVRAALERLQQQQADFNVTEFEFITALGYWYFRQRQVDVAVIEVGIGGDTDSTNVITPVVSVLTEVALDHQKLLGHTITAIAKHKAGIIKRGIPVVTGNLVPDAAAVVAAKVATTGSQWLRFDRDFSVPKAKLHGWGQRFTYEDQDGRISDLEVPLVGDYQQRNMAIAIQTAKVYAKQTEWPLTPQNIRQGLAASHWPARLEKISDTPLIVIDGAHNPDGINGLITALKQLFSQPITVIAGILADKDYAAMADRLTAAFSTVYLVPVPGTPRALPEAGYEALHEGRLKDSWQEALAASLNDVPDQPIVITGSLYLASAVRQTLLG 425
               SCOP domains d2gc5a2 A:1-296 Fo  lylpolyglutamate synthetase                                                                                                                                                                                                                                                         d2gc5a1 A:297-425 Folylpolyglutamate synthetas     e, C-terminal domain                                                           SCOP domains
               CATH domains 2gc5A01 A:1-298  [  code=3.40.1190.10, no name defined]                                                                                                                                                                                                                                                   2gc5A02 A:299-425  [code=3.90.190.20, no nam     e defined]                                                                     CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhh......--.hhhhhhhhhhhhhhhhh..eeeee...hhhhhhhhhhhhhhhh...eeee......hhhh.eee..ee.hhhhhhhhhhhhhhhhhhhhhhh.....hhhhhhhhhhhhhhhhh...eeeee................eeee...hhhhhhhhh.hhhhhhhhhhhhh.....eee...hhhhhhhhhhhhhhhh..eee.....eeeeeee....eeeeeee..eeeeeeee...hhhhhhhhhhhhhhhhhhhhhh....hhhhhhhhhhh.......eeee....eee........hhhhhhhhhhhh....eeee..-----.hhhhhhhhhhh.eeee...........----------....hhhhhhhhhhhhh....eeee.hhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -----------------------------------------FOLYLPOLYGLU_SYNT_1     ---------------------------------------------------------------------------FOLYLPOLYGLU_SYN----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2gc5 A   1 MNYTETVAYIHSFPRLAK--DHRRILTLLHALGNPQQQGRYIHVTGTNGKSSAANAIAHVLEASGLTVGLYTSPFIMRFNERIMIDHEPIPDAALVNAVAFVRAALERLQQQQADFNVTEFEFITALGYWYFRQRQVDVAVIEVGIGGDTDSTNVITPVVSVLTEVALDHQKLLGHTITAIAKHkAGIIKRGIPVVTGNLVPDAAAVVAAKVATTGSQWLRFDRDFSVPKAKLHGWGQRFTYEDQDGRISDLEVPLVGDYQQRNMAIAIQTAKVYAKQTEWPLTPQNIRQGLAASHWPARLEKISDTPLIVIDGAHNPDGINGLITALKQLFSQPITVIAGI-----YAAMADRLTAAFSTVYLVPVPGTPRALP----------RLKDSWQEALAASLNDVPDQPIVITGSLYLASAVRQTLLG 425
                                    10       | -|       30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180    |  190       200       210       220       230       240       250       260       270       280       290       300       310       320       330       340 |     350       360       370    |    -     | 390       400       410       420     
                                            18 21                                                                                                                                                                 185-KCX                                                                                                                                                      342   348                        375        386
   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  (2, 2)

Asymmetric/Biological Unit
(-)
Class: Alpha and beta proteins (a/b) (23833)

(-) CATH Domains  (2, 2)

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

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 2GC5)

(-) Gene Ontology  (8, 8)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (FPGS_LACCA | P15925)
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: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.
    GO:0004326    tetrahydrofolylpolyglutamate synthase activity    Catalysis of the reaction: ATP + tetrahydrofolyl-(Glu)(n) + L-glutamate = ADP + phosphate + tetrahydrofolyl-(Glu)(n+1).
biological process
    GO:0009058    biosynthetic process    The chemical reactions and pathways resulting in the formation of substances; typically the energy-requiring part of metabolism in which simpler substances are transformed into more complex ones.
    GO:0009396    folic acid-containing compound biosynthetic process    The chemical reactions and pathways resulting in the formation of folic acid and its derivatives.
    GO:0006730    one-carbon metabolic process    The chemical reactions and pathways involving the transfer of one-carbon units in various oxidation states.
    GO:0046901    tetrahydrofolylpolyglutamate biosynthetic process    The chemical reactions and pathways resulting in the formation of tetrahydrofolylpolyglutamate, a folate derivative comprising tetrahydrofolate attached to a chain of glutamate residues.

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 Related Entries

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

UniProtKB/Swiss-Prot
        FPGS_LACCA | P15925: 1fgs 1jbv 1jbw 2gc6 2gca 2gcb

(-) Related Entries Specified in the PDB File

1fgs 1jbv 1jbw 2gc6 2gca 2gcb