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(-) Description

Title :  CRYSTAL STRUCTURE OF ASPARTOKINASE ALPHA AND BETA SUBUNITS
 
Authors :  C. Chang, H. Li, M. Gu, A. Joachimiak, Midwest Center For Structural (Mcsg)
Date :  25 Sep 07  (Deposition) - 09 Oct 07  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.75
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Neisseria Meningitidis, Aspartokinase, Structural Genomics, Psi-2, Protein Structure Initiative, Midwest Center For Structural Genomics, Mcsg, Transferase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  C. Chang, H. Li, M. Gu, A. Joachimiak
Crystal Structure Of Aspartokinase Alpha And Beta Subunits.
To Be Published
PubMed: search

(-) Compounds

Molecule 1 - ASPARTOKINASE, ALPHA AND BETA SUBUNITS
    Chains: A, B
    EC Number: 2.7.2.4
    Engineered: YES
    Expression System: ESCHERICHIA COLI BL21(DE3)
    Expression System Plasmid: PMCSG7
    Expression System Strain: BL21(DE3)
    Expression System Taxid: 469008
    Expression System Vector Type: PLASMID
    Fragment: RESIDUES 242-405
    Gene: LYSC, NMB1498
    Organism Scientific: NEISSERIA MENINGITIDIS MC58
    Organism Taxid: 122586
    Strain: MC58 / SEROGROUP B

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 11)

Asymmetric/Biological Unit (2, 11)
No.NameCountTypeFull Name
1CA2Ligand/IonCALCIUM ION
2MSE9Mod. Amino AcidSELENOMETHIONINE

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREASP A:339 , GLU B:250 , ALA B:253 , THR B:255BINDING SITE FOR RESIDUE CA A 501
2AC2SOFTWARETHR A:340 , ASP A:387 , GLU B:250BINDING SITE FOR RESIDUE CA A 502

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2RE1)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2RE1)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2RE1)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 2RE1)

(-) Exons   (0, 0)

(no "Exon" information available for 2RE1)

(-) 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:148
 aligned with Q9JYN6_NEIMB | Q9JYN6 from UniProtKB/TrEMBL  Length:405

    Alignment length:152
                                   262       272       282       292       302       312       322       332       342       352       362       372       382       392       402  
         Q9JYN6_NEIMB   253 AVTGIAFDKNQARINVRGVPDKPGVAYQILGAVADANIEVDMIIQNVGSEGTTDFSFTVPRGDYKQTLEILSERQDSIGAASIDGDDTVCKVSAVGLGMRSHVGVAAKIFRTLAEEGINIQMISTSEIKVSVLIDEKYMELATRVLHKAFNL 404
               SCOP domains -------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eeeee...eeeeeeeee...hhhhhhhhhhhh.......eee.----.eeeeeeeehhhhhhhhhhhhhhh.......eeeee..eeeeeee........hhhhhhhhhhhhh.....eeee...eeeeeee..hhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2re1 A 253 AVTGIAFDKNQARINVRGVPDKPGVAYQILGAVADANIEVDmIIQN----GTTDFSFTVPRGDYKQTLEILSERQDSIGAASIDGDDTVCKVSAVGLGmRSHVGVAAKIFRTLAEEGINIQmISTSEIKVSVLIDEKYmELATRVLHKAFNL 404
                                   262       272       282       292 |   |   -|      312       322       332       342       352       362       372 |     382       392       402  
                                                                   294-MSE  303                                             351-MSE                374-MSE          391-MSE         


Chain B from PDB  Type:PROTEIN  Length:153
 aligned with Q9JYN6_NEIMB | Q9JYN6 from UniProtKB/TrEMBL  Length:405

    Alignment length:159
                                   255       265       275       285       295       305       315       325       335       345       355       365       375       385       395         
         Q9JYN6_NEIMB   246 DDNMERAAVTGIAFDKNQARINVRGVPDKPGVAYQILGAVADANIEVDMIIQNVGSEGTTDFSFTVPRGDYKQTLEILSERQDSIGAASIDGDDTVCKVSAVGLGMRSHVGVAAKIFRTLAEEGINIQMISTSEIKVSVLIDEKYMELATRVLHKAFNL 404
               SCOP domains --------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
           Pfam domains (1) ------------------ACT-2re1B01 B:264-328                                            ------ ACT_7-2re1B03 B:336-400                                          ---- Pfam domains (1)
           Pfam domains (2) ------------------ACT-2re1B02 B:264-328                                            ------ ACT_7-2re1B04 B:336-400                                          ---- Pfam domains (2)
         Sec.struct. author .hhhhhh.....eeeeeeeeeeee......hhhhhhhhhhhhh....eeee..-----...eeeeee..hhhhhhhhhhh........e-eeeeeeeeeeee......hhhhhhhhhhhhhhh.....eeee...eeeeeee..hhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2re1 B 246 DDNmERAAVTGIAFDKNQARINVRGVPDKPGVAYQILGAVADANIEVDmIIQN-----TTDFSFTVPRGDYKQTLEILSERQDSIGAAS-DGDDTVCKVSAVGLGmRSHVGVAAKIFRTLAEEGINIQmISTSEIKVSVLIDEKYmELATRVLHKAFNL 404
                               |   255       265       275       285       295  |    305       315       325        |-|      345     | 355       365       375       385     | 395         
                             249-MSE                                      294-MSE   304                           334 |            351-MSE                374-MSE          391-MSE         
                                                                                                                    336
   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  (0, 0)

(no "SCOP Domain" information available for 2RE1)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 2RE1)

(-) Pfam Domains  (2, 4)

Asymmetric/Biological Unit
(-)
Clan: ACT (34)

(-) Gene Ontology  (8, 8)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (Q9JYN6_NEIMB | Q9JYN6)
molecular function
    GO:0016597    amino acid binding    Interacting selectively and non-covalently with an amino acid, organic acids containing one or more amino substituents.
    GO:0004072    aspartate kinase activity    Catalysis of the reaction: L-aspartate + ATP = 4-phospho-L-aspartate + ADP + H(+).
    GO:0016301    kinase activity    Catalysis of the transfer of a phosphate group, usually from ATP, to a substrate molecule.
    GO:0016740    transferase activity    Catalysis of the transfer of a group, e.g. a methyl group, glycosyl group, acyl group, phosphorus-containing, or other groups, from one compound (generally regarded as the donor) to another compound (generally regarded as the acceptor). Transferase is the systematic name for any enzyme of EC class 2.
biological process
    GO:0008652    cellular amino acid biosynthetic process    The chemical reactions and pathways resulting in the formation of amino acids, organic acids containing one or more amino substituents.
    GO:0009089    lysine biosynthetic process via diaminopimelate    The chemical reactions and pathways resulting in the formation of lysine, via the intermediate diaminopimelate.
    GO:0008152    metabolic process    The chemical reactions and pathways, including anabolism and catabolism, by which living organisms transform chemical substances. Metabolic processes typically transform small molecules, but also include macromolecular processes such as DNA repair and replication, and protein synthesis and degradation.
    GO:0016310    phosphorylation    The process of introducing a phosphate group into a molecule, usually with the formation of a phosphoric ester, a phosphoric anhydride or a phosphoric amide.

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