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(-) Description

Title :  CRYSTAL STRUCTURE OF A CATALYTIC MUTANT OF AXE2 (AXE2-D191A), AN ACETYLXYLAN ESTERASE FROM GEOBACILLUS STEAROTHERMOPHILUS
 
Authors :  S. Lansky, O. Alalouf, V. Solomon, A. Alhassid, H. Belrahli, L. Govada, N. E. Chayan, Y. Shoham, G. Shoham
Date :  07 Mar 13  (Deposition) - 12 Mar 14  (Release) - 12 Mar 14  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.13
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A,B  (4x)
Keywords :  Sgnh Hydrolase Fold, Acetylxylan Esterase, Hydrolase, Catalytic Mutant (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  S. Lansky, O. Alalouf, V. Solomon, A. Alhassid, H. Belrahli, L. Govada N. E. Chayan, Y. Shoham, G. Shoham
To Be Published
To Be Published
PubMed: search

(-) Compounds

Molecule 1 - ACETYL XYLAN ESTERASE
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Taxid: 562
    Gene: AXE2
    Mutation: YES
    Organism Scientific: GEOBACILLUS STEAROTHERMOPHILUS
    Organism Taxid: 1422

 Structural Features

(-) Chains, Units

  12
Asymmetric Unit : AB
Biological Unit 1 (4x): AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 7)

Asymmetric Unit (2, 7)
No.NameCountTypeFull Name
1CL3Ligand/IonCHLORIDE ION
2GOL4Ligand/IonGLYCEROL
Biological Unit 1 (1, 16)
No.NameCountTypeFull Name
1CL-1Ligand/IonCHLORIDE ION
2GOL16Ligand/IonGLYCEROL

(-) Sites  (7, 7)

Asymmetric Unit (7, 7)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREGLU A:27 , GLY A:28 , SER A:29 , VAL A:56 , HOH A:421BINDING SITE FOR RESIDUE GOL A 301
2AC2SOFTWAREPRO A:146 , HOH A:436 , HOH A:452 , GLU B:140 , GLY B:141 , PRO B:185 , HOH B:412BINDING SITE FOR RESIDUE GOL A 302
3AC3SOFTWARETYR A:109 , ASP A:111 , HOH A:425BINDING SITE FOR RESIDUE GOL A 303
4AC4SOFTWARESER A:15 , GLY A:63 , ASN A:92BINDING SITE FOR RESIDUE CL A 304
5AC5SOFTWAREGLU B:27 , GLY B:28 , ILE B:54 , ARG B:55 , VAL B:56 , MET B:103 , HOH B:531BINDING SITE FOR RESIDUE GOL B 301
6AC6SOFTWAREALA A:191 , ARG A:192 , ALA B:191 , ARG B:192BINDING SITE FOR RESIDUE CL B 302
7AC7SOFTWARESER B:15 , GLY B:63 , ASN B:92 , HOH B:542 , HOH B:543BINDING SITE FOR RESIDUE CL B 303

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 4JJ4)

(-) Cis Peptide Bonds  (2, 2)

Asymmetric Unit
No.Residues
1Arg A:23 -Pro A:24
2Arg B:23 -Pro B:24

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 4JJ4)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 4JJ4)

(-) Exons   (0, 0)

(no "Exon" information available for 4JJ4)

(-) 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:219
                                                                                                                                                                                                                                                           
               SCOP domains d4jj4a_ A: automated matches                                                                                                                                                                                                SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .......eeeeeehhhhhh................hhhhhhhhhhhhhhhhhh.eeee......hhhhhhhhhhhhhhhhh..eeeee.hhhhhhhhhhh..hhhhh.hhhhhhhhhhhhhhhhhhhh.eeeee..........hhhhhhhhhhhhhhhhhhhhh..eeehhhhhhhhhhh..hhhhhee...eehhhhhhhhhhhhhhhh........ Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4jj4 A   1 MKIGSGEKLLFIGDSITDCGRARPEGEGSFGALGTGYVAYVVGLLQAVYPELGIRVVNKGISGNTVRDLKARWEEDVIAQKPDWVSIMIGINDVWRQYDLPFMKEKHVYLDEYEATLRSLVLETKPLVKGIILMTPFYIEGNEQDPMRRTMDQYGRVVKQIAEETNSLFVDTQAAFNEVLKTLYPAALAWARVHPSVAGHMILARAFLREIGFEWVRSR 219
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210         


Chain B from PDB  Type:PROTEIN  Length:219
                                                                                                                                                                                                                                                           
               SCOP domains d4jj4b_ B: automated matches                                                                                                                                                                                                SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .......eeeeeehhhhhh................hhhhhhhhhhhhhhhhhh.eeee......hhhhhhhhhhhhhhhhh..eeeee.hhhhhhhhhhh..hhhhh.hhhhhhhhhhhhhhhhhhhh.eeeee..........hhhhhhhhhhhhhhhhhhhhhh.eeehhhhhhhhhhh..hhhh.ee...eehhhhhhhhhhhhhhhhh....... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4jj4 B   1 MKIGSGEKLLFIGDSITDCGRARPEGEGSFGALGTGYVAYVVGLLQAVYPELGIRVVNKGISGNTVRDLKARWEEDVIAQKPDWVSIMIGINDVWRQYDLPFMKEKHVYLDEYEATLRSLVLETKPLVKGIILMTPFYIEGNEQDPMRRTMDQYGRVVKQIAEETNSLFVDTQAAFNEVLKTLYPAALAWARVHPSVAGHMILARAFLREIGFEWVRSR 219
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210
   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  (1, 2)

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

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 4JJ4)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 4JJ4)

(-) Gene Ontology  (7, 7)

Asymmetric Unit(hide GO term definitions)

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  4jj4
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  AXE2_GEOSE | Q09LX1
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 Related Entries

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

UniProtKB/Swiss-Prot
        AXE2_GEOSE | Q09LX1: 3w7v 4jhl 4jj6 4jko 4oao 4oap 5bn1

(-) Related Entries Specified in the PDB File

3w7v THE WT FORM OF AXE2
4jhl THE SELENOMETHIONINE DERIVATIVE OF AXE2, USED FOR PHASING
4jj6