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(-) Description

Title :  STRUCTURE OF ESCHERICHIA COLI THREONINE ALDOLASE IN UNLIGANDED FORM
 
Authors :  M. K. Safo, R. Contestabile, S. G. Remesh
Date :  11 Jul 13  (Deposition) - 06 Nov 13  (Release) - 22 Jan 14  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.10
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A,B  (2x)
Keywords :  Threonine Aldolase, Vitamin B6, Plp, Aldimine, Fold Type 1, Amino Acid Synthesis, Lyase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  M. L. Di Salvo, S. G. Remesh, M. Vivoli, M. S. Ghatge, A. Paiardini, S. D'Aguanno, M. K. Safo, R. Contestabile
On The Catalytic Mechanism And Stereospecificity Of Escherichia Coli L-Threonine Aldolase.
Febs J. V. 281 129 2014
PubMed-ID: 24165453  |  Reference-DOI: 10.1111/FEBS.12581

(-) Compounds

Molecule 1 - LOW-SPECIFICITY L-THREONINE ALDOLASE
    Chains: A, B
    EC Number: 4.1.2.5
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET22B(+)
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Gene: ECOM_01176, LTAE
    Organism Scientific: ESCHERICHIA COLI
    Organism Taxid: 945433

 Structural Features

(-) Chains, Units

  12
Asymmetric Unit : AB
Biological Unit 1 (2x): AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (3, 7)

Asymmetric Unit (3, 7)
No.NameCountTypeFull Name
1EPE2Ligand/Ion4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID
2MG3Ligand/IonMAGNESIUM ION
3PLR2Ligand/Ion(5-HYDROXY-4,6-DIMETHYLPYRIDIN-3-YL)METHYL DIHYDROGENPHOSPHATE
Biological Unit 1 (2, 8)
No.NameCountTypeFull Name
1EPE4Ligand/Ion4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID
2MG-1Ligand/IonMAGNESIUM ION
3PLR4Ligand/Ion(5-HYDROXY-4,6-DIMETHYLPYRIDIN-3-YL)METHYL DIHYDROGENPHOSPHATE

(-) Sites  (7, 7)

Asymmetric Unit (7, 7)
No.NameEvidenceResiduesDescription
1AC1SOFTWARETHR A:8 , THR A:10 , SER A:196 , THR A:201 , GLN B:230BINDING SITE FOR RESIDUE MG A 401
2AC2SOFTWAREALA A:93 , VAL A:94 , SER A:97 , HOH A:523 , ALA B:93 , VAL B:94 , SER B:97BINDING SITE FOR RESIDUE MG A 402
3AC3SOFTWARETHR A:57 , GLY A:58 , THR A:59 , ASN A:62 , HIS A:83 , GLU A:136 , ASP A:166 , ALA A:168 , ARG A:169 , LYS A:197 , HOH A:587 , ARG B:229 , HOH B:531BINDING SITE FOR RESIDUE PLR A 403
4AC4SOFTWAREARG A:157 , ASN A:160 , LEU A:161 , ASP A:189 , ASN A:210 , TYR A:213 , ARG A:216 , HOH A:602 , HOH A:628 , LYS B:158BINDING SITE FOR RESIDUE EPE A 404
5AC5SOFTWAREGLN A:230 , THR B:8 , THR B:10 , SER B:196 , THR B:201BINDING SITE FOR RESIDUE MG B 401
6AC6SOFTWARELYS A:222 , ARG A:229 , THR B:57 , GLY B:58 , THR B:59 , HIS B:83 , GLU B:136 , ASP B:166 , ALA B:168 , ARG B:169 , LYS B:197 , HOH B:571 , HOH B:614 , HOH B:615BINDING SITE FOR RESIDUE PLR B 402
7AC7SOFTWAREGLU A:154 , LYS A:158 , ARG B:157 , ASN B:160 , ASN B:210 , ASP B:212 , TYR B:213 , HOH B:617 , HOH B:626BINDING SITE FOR RESIDUE EPE B 403

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 4LNJ)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 4LNJ)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 4LNJ)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 4LNJ)

(-) Exons   (0, 0)

(no "Exon" information available for 4LNJ)

(-) 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    
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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:332
                                                                                                                                                                                                                                                                                                                                                                            
               SCOP domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .ee..hhhhh..hhhhhhhhhhh.........hhhhhhhhhhhhhhhh..eeeee.hhhhhhhhhhhhhh...eeeeee..hhhhhh..hhhhhh...eeeee........hhhhhhhhh........eeeeeee.........hhhhhhhhhhhhhhhh.eeee...hhhhhhhhhh..hhhhhh...eeeee..........eeeeehhhhhhhhhhhhhhhh.....hhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhh..eeeee..eeeee.hhhhhhhhhhhhhhh.ee.....eeeee.....hhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4lnj A   1 MIDLRSDTVTRPSRAMLEAMMAAPVGDDVYGDDPTVNALQDYAAELSGKEAAIFLPTGTQANLVALLSHCERGEEYIVGQAAHNYLFEAGGAAVLGSIQPQPIDAAADGTLPLDKVAMKIKPDDIHFARTKLLSLENTHNGKVLPREYLKEAWEFTRKRNLALHVDGARIFNAVVAYGCELKEITQYCDSFTICLSKGLGTPVGSLLVGNRDYIKRAIRWRKMTGGGMRQSGILAAAGMYALKNNVARLQEDHDNTAWMAEQLREAGADVMRQDTNMLFVRVGEENAAALGEYMKARNVLINASPIVRLVTHLDVSRAQLAEVAAHWRAFLA 332
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Chain B from PDB  Type:PROTEIN  Length:332
                                                                                                                                                                                                                                                                                                                                                                            
               SCOP domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .....hhhhh..hhhhhhhhhh....hhhhh.hhhhhhhhhhhhhhh...eeeee.hhhhhhhhhhhhhh...eeeeee..hhhhhh..hhhhhh...eeeee........hhhhhhhhh........eeeeeeee........hhhhhhhhhhhhhhh..eeeee..hhhhhhhhhh..hhhhhh...eeeee..........eeeeehhhhhhhhhhhhhhhh.....hhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhh....eeeee..eeeee.hhhhhhhhhhhhhhh........eeeee.....hhhhhhhhhhhhhh... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4lnj B   1 MIDLRSDTVTRPSRAMLEAMMAAPVGDDVYGDDPTVNALQDYAAELSGKEAAIFLPTGTQANLVALLSHCERGEEYIVGQAAHNYLFEAGGAAVLGSIQPQPIDAAADGTLPLDKVAMKIKPDDIHFARTKLLSLENTHNGKVLPREYLKEAWEFTRKRNLALHVDGARIFNAVVAYGCELKEITQYCDSFTICLSKGLGTPVGSLLVGNRDYIKRAIRWRKMTGGGMRQSGILAAAGMYALKNNVARLQEDHDNTAWMAEQLREAGADVMRQDTNMLFVRVGEENAAALGEYMKARNVLINASPIVRLVTHLDVSRAQLAEVAAHWRAFLA 332
                                    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
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  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 4LNJ)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 4LNJ)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 4LNJ)

(-) Gene Ontology  (0, 0)

Asymmetric Unit(hide GO term definitions)
    (no "Gene Ontology" information available for 4LNJ)

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 Related Entries

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(-) Related Entries Specified in the PDB File

4lnl STRUCTURE OF ESCHERICHIA COLI THREONINE ALDOLASE IN COMPLEX WITH ALLO-THR
4lnm STRUCTURE OF ESCHERICHIA COLI THREONINE ALDOLASE IN COMPLEX WITH SERINE