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(-) Description

Title :  CRYSTAL STRUCTURE OF THE ECTOINE SYNTHASE FROM THE COLD-ADAPTED MARINE BACTERIUM SPHINGOPYXIS ALASKENSIS
 
Authors :  N. Widderich, S. Kobus, A. Hoeppner, E. Bremer, S. H. J. Smits
Date :  09 Jun 15  (Deposition) - 27 Apr 16  (Release) - 20 Jul 16  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.00
Chains :  Asym. Unit :  A,B,C,D
Biol. Unit 1:  A,B  (1x)
Biol. Unit 2:  C,D  (1x)
Keywords :  Compatible Solute, Osmostress Protectant, Chemical Chaperone, Cupin, Lyase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  N. Widderich, S. Kobus, A. Hoppner, R. Riclea, A. Seubert, J. S. Dickschat, J. Heider, S. H. Smits, E. Bremer
Biochemistry And Crystal Structure Of Ectoine Synthase: A Metal-Containing Member Of The Cupin Superfamily.
Plos One V. 11 51285 2016
PubMed-ID: 26986827  |  Reference-DOI: 10.1371/JOURNAL.PONE.0151285

(-) Compounds

Molecule 1 - L-ECTOINE SYNTHASE
    Chains: A, B, C, D
    EC Number: 4.2.1.108
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Taxid: 562
    Gene: ECTC, SALA_2951
    Organism Scientific: SPHINGOPYXIS ALASKENSIS RB2256
    Organism Taxid: 317655
    Synonym: N-ACETYLDIAMINOBUTYRATE DEHYDRATASE

 Structural Features

(-) Chains, Units

  1234
Asymmetric Unit : ABCD
Biological Unit 1 (1x): AB  
Biological Unit 2 (1x):   CD

Summary Information (see also Sequences/Alignments below)

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

(no "Ligand,Modified Residues,Ions" information available for 5BXX)

(-) Sites  (0, 0)

(no "Site" information available for 5BXX)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 5BXX)

(-) Cis Peptide Bonds  (4, 4)

Asymmetric Unit
No.Residues
1Asn A:108 -Pro A:109
2Asn B:108 -Pro B:109
3Asn C:108 -Pro C:109
4Asn D:108 -Pro D:109

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 5BXX)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 5BXX)

(-) Exons   (0, 0)

(no "Exon" information available for 5BXX)

(-) 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:121
                                                                                                                                                         
               SCOP domains ------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeehhhhhh...eeee..eeeeeeehhhhh...eeeeeee.....eeee....eeeeeeee..eeeee.....eeee...eeee.....eeeeee...eeeeeeee............. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------- Transcript
                 5bxx A   1 MIVRNLGDIRKTDRNVRSDGWASARMLLKDDGMGFSFHVTTLFAGSELRMHYQNHLEAVLVLKGTGTIEDLATGEVHALRPGVMYALDDHDRHIVRPETDILTACVFNPPVTGREVHDESG 121
                                    10        20        30        40        50        60        70        80        90       100       110       120 


Chain B from PDB  Type:PROTEIN  Length:113
                                                                                                                                                 
               SCOP domains ----------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeehhhhh....eee...eeeeeeehhhhh...eeeeeee.....eeee....eeeeeeee..eeeee.....eeee...eeeee....eeeeee...eeeeeeee..... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------- Transcript
                 5bxx B   1 MIVRNLGDIRKTDRNVRSDGWASARMLLKDDGMGFSFHVTTLFAGSELRMHYQNHLEAVLVLKGTGTIEDLATGEVHALRPGVMYALDDHDRHIVRPETDILTACVFNPPVTG 113
                                    10        20        30        40        50        60        70        80        90       100       110   


Chain C from PDB  Type:PROTEIN  Length:111
                                                                                                                                               
               SCOP domains --------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeehhhhh....eeee..eeeeeeehhhhh...eeeeeee.....eee.....eeeeeeee..eeeee.....eeee...eeeee.....eeeee...eeeeeeee... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------- Transcript
                 5bxx C   1 MIVRNLGDIRKTDRNVRSDGWASARMLLKDDGMGFSFHVTTLFAGSELRMHYQNHLEAVLVLKGTGTIEDLATGEVHALRPGVMYALDDHDRHIVRPETDILTACVFNPPV 111
                                    10        20        30        40        50        60        70        80        90       100       110 


Chain D from PDB  Type:PROTEIN  Length:112
                                                                                                                                                
               SCOP domains ---------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeehhhhh....eeee..eeeeeeehhhhh...eeeeeee.....eee.....eeeeeeee..eeeee.....eeee...eeeee.....eeeee...eeeeeeee.... Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------- Transcript
                 5bxx D   1 MIVRNLGDIRKTDRNVRSDGWASARMLLKDDGMGFSFHVTTLFAGSELRMHYQNHLEAVLVLKGTGTIEDLATGEVHALRPGVMYALDDHDRHIVRPETDILTACVFNPPVT 112
                                    10        20        30        40        50        60        70        80        90       100       110
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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 5BXX)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 5BXX)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 5BXX)

(-) Gene Ontology  (4, 4)

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  Cis Peptide Bonds
    Asn A:108 - Pro A:109   [ RasMol ]  
    Asn B:108 - Pro B:109   [ RasMol ]  
    Asn C:108 - Pro C:109   [ RasMol ]  
    Asn D:108 - Pro D:109   [ RasMol ]  
 
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        ECTC_SPHAL | Q1GNW6: 5by5

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