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(-) Description

Title :  CRYSTAL STRUCTURE OF GALACTOSE MUTAROTASE GALM FROM BACILLUS SUBTILIS IN COMPLEX WITH MALTOSE AND TREHALOSE
 
Authors :  A. Vanden Broeck, E. Sauvage, R. Herman, F. Kerff, C. Duez, P. Charlier
Date :  25 Jul 13  (Deposition) - 13 Aug 14  (Release) - 13 Aug 14  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.60
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A  (1x)
Biol. Unit 2:  B  (1x)
Keywords :  Isomerase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  A. Vanden Broeck, E. Sauvage, R. Herman, F. Kerff, C. Duez, P. Charlie
Crystal Structure Of Galactose Mutarotase Galm From Bacillus Subtilis In Complex With Maltose And Trehalose
To Be Published
PubMed: search

(-) Compounds

Molecule 1 - ALDOSE 1-EPIMERASE
    Chains: A, B
    EC Number: 5.1.3.3
    Engineered: YES
    Expression System: ESCHERICHIA COLI K-12
    Expression System Strain: KRX
    Expression System Taxid: 83333
    Expression System Vector: PET20B
    Expression System Vector Type: PLASMID
    Gene: GALM
    Organism Scientific: BACILLUS SUBTILIS SUBSP. SUBTILIS STR. 168
    Organism Taxid: 224308
    Synonym: GALACTOSE MUTAROTASE

 Structural Features

(-) Chains, Units

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

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (4, 7)

Asymmetric Unit (4, 7)
No.NameCountTypeFull Name
1CIT1Ligand/IonCITRIC ACID
2GOL2Ligand/IonGLYCEROL
3MAL2Ligand/IonMALTOSE
4TRE2Ligand/IonTREHALOSE
Biological Unit 1 (3, 4)
No.NameCountTypeFull Name
1CIT-1Ligand/IonCITRIC ACID
2GOL2Ligand/IonGLYCEROL
3MAL1Ligand/IonMALTOSE
4TRE1Ligand/IonTREHALOSE
Biological Unit 2 (3, 3)
No.NameCountTypeFull Name
1CIT1Ligand/IonCITRIC ACID
2GOL-1Ligand/IonGLYCEROL
3MAL1Ligand/IonMALTOSE
4TRE1Ligand/IonTREHALOSE

(-) Sites  (7, 7)

Asymmetric Unit (7, 7)
No.NameEvidenceResiduesDescription
1AC1SOFTWARESER A:76 , THR A:79 , LEU A:204 , PRO A:205 , HIS A:252 , HIS A:254 , ASN A:290 , ASN A:293BINDING SITE FOR RESIDUE TRE A 500
2AC2SOFTWARETHR A:62 , ASN A:73 , ARG A:74 , GLU A:93 , HIS A:101 , HIS A:177 , LEU A:203 , ASP A:230 , TYR A:271 , GLU A:283 , HOH A:2123BINDING SITE FOR RESIDUE MAL A 501
3AC3SOFTWAREASN A:323 , HOH A:2125BINDING SITE FOR RESIDUE GOL A 502
4AC4SOFTWAREPHE A:4 , GLU A:24BINDING SITE FOR RESIDUE GOL A 503
5AC5SOFTWARESER B:76 , ASP B:77 , THR B:79 , LEU B:204 , PRO B:205 , HIS B:252 , ALA B:253 , HIS B:254 , ASN B:290 , ASN B:293 , HOH B:2120BINDING SITE FOR RESIDUE TRE B 500
6AC6SOFTWARETHR B:62 , ASN B:73 , ARG B:74 , GLU B:93 , HIS B:101 , HIS B:177 , ASP B:230 , TYR B:271 , GLU B:283BINDING SITE FOR RESIDUE MAL B 501
7AC7SOFTWARELEU B:188 , GLU B:220 , TYR B:249 , HIS B:324 , HOH B:2122BINDING SITE FOR RESIDUE CIT B 502

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (2, 2)

Asymmetric Unit
No.Residues
1Phe A:70 -Pro A:71
2Phe B:70 -Pro B:71

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

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

(-) Exons   (0, 0)

(no "Exon" information available for 4BZH)

(-) 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:322
 aligned with GALM_BACSU | P39840 from UniProtKB/Swiss-Prot  Length:325

    Alignment length:322
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281       291       301       311       321  
           GALM_BACSU     2 ANFIEKITYLGTPAIKAGNEHLEMIVVPEWGSNVISLVDKTTNVQLLREPETAESFHDTPTLYGIPILFPPNRISDGTFSFRGRTYHFDINEKDKHNHLHGFLYHEKWNVVTTKQTDEGVIVETEIDLSELPHVQKQFPHHAVVRMTYTIKENTLFKHATVMNKGKEAFPWGIGYHTTFIFPAESSLFSLTADQQWELDERLLPTGKLMDVPYKEALHEGMDLRHKQLDDVFLSSYQKRGGENQAVIYHQHAHISIIYKADEQFKHWVVYNADGKQGYLCPEPYTWVTNAVNLDLPSSLTGLQVLEPGEETTAKSSITIELN 323
               SCOP domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeeeee..eeeeeeee..eeeeee.....eeeeeee....ee......hhhhhhhh.......ee....eee..eeee..eeee.........eee.........eeeeeeee..eeeeeeeee...hhhhhhhh...eeeeeeeeee..eeeeeeeeee.....eee..ee...ee.....eeeee.eeeeeee.....eeeeeee..hhhhhhhh........eeeeeehhhhhh...eeeeee....eeeeeee.....eeeee.......eeeeeee....hhhhh..hhhhhh.eee....eeeeeeeeeeee. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4bzh A   2 ANFIEKITYLGTPAIKAGNEHLEMIVVPEWGSNVISLVDKTTNVQLLREPETAESFHDTPTLYGIPILFPPNRISDGTFSFRGRTYHFDINEKDKHNHLHGFLYHEKWNVVTTKQTDEGVIVETEIDLSELPHVQKQFPHHAVVRMTYTIKENTLFKHATVMNKGKEAFPWGIGYHTTFIFPAESSLFSLTADQQWELDERLLPTGKLMDVPYKEALHEGMDLRHKQLDDVFLSSYQKRGGENQAVIYHQHAHISIIYKADEQFKHWVVYNADGKQGYLCPEPYTWVTNAVNLDLPSSLTGLQVLEPGEETTAKSSITIELN 323
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281       291       301       311       321  


Chain B from PDB  Type:PROTEIN  Length:323
 aligned with GALM_BACSU | P39840 from UniProtKB/Swiss-Prot  Length:325

    Alignment length:323
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281       291       301       311       321   
           GALM_BACSU     2 ANFIEKITYLGTPAIKAGNEHLEMIVVPEWGSNVISLVDKTTNVQLLREPETAESFHDTPTLYGIPILFPPNRISDGTFSFRGRTYHFDINEKDKHNHLHGFLYHEKWNVVTTKQTDEGVIVETEIDLSELPHVQKQFPHHAVVRMTYTIKENTLFKHATVMNKGKEAFPWGIGYHTTFIFPAESSLFSLTADQQWELDERLLPTGKLMDVPYKEALHEGMDLRHKQLDDVFLSSYQKRGGENQAVIYHQHAHISIIYKADEQFKHWVVYNADGKQGYLCPEPYTWVTNAVNLDLPSSLTGLQVLEPGEETTAKSSITIELNH 324
               SCOP domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeeeee..eeeeeee...eeeeee.....eeeeeee....ee......hhhhhhhh.......ee....eee..eeee..eeee.........eee.........eeeeeee....eeeeeeee...hhhhhhhh...eeeeeeeeee..eeeeeeeeee.....eee..ee...ee.....eeeee.eeeeeee.....eeeeeee..hhhhhhhh........eeeeeehhhhhh...eeeeee....eeeeeee.....eeeee.......eeeeeee....hhhhh..hhhhhh.eee....eeeeeeeeeeee.. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4bzh B   2 ANFIEKITYLGTPAIKAGNEHLEMIVVPEWGSNVISLVDKTTNVQLLREPETAESFHDTPTLYGIPILFPPNRISDGTFSFRGRTYHFDINEKDKHNHLHGFLYHEKWNVVTTKQTDEGVIVETEIDLSELPHVQKQFPHHAVVRMTYTIKENTLFKHATVMNKGKEAFPWGIGYHTTFIFPAESSLFSLTADQQWELDERLLPTGKLMDVPYKEALHEGMDLRHKQLDDVFLSSYQKRGGENQAVIYHQHAHISIIYKADEQFKHWVVYNADGKQGYLCPEPYTWVTNAVNLDLPSSLTGLQVLEPGEETTAKSSITIELNH 324
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281       291       301       311       321
   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
    → Modified Residue (blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
  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 4BZH)

(-) CATH Domains  (0, 0)

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

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (6, 6)

Asymmetric Unit(hide GO term definitions)
Chain A,B   (GALM_BACSU | P39840)
molecular function
    GO:0004034    aldose 1-epimerase activity    Catalysis of the reaction: alpha-D-glucose = beta-D-glucose. Also acts on L-arabinose, D-xylose, D-galactose, maltose and lactose.
    GO:0030246    carbohydrate binding    Interacting selectively and non-covalently with any carbohydrate, which includes monosaccharides, oligosaccharides and polysaccharides as well as substances derived from monosaccharides by reduction of the carbonyl group (alditols), by oxidation of one or more hydroxy groups to afford the corresponding aldehydes, ketones, or carboxylic acids, or by replacement of one or more hydroxy group(s) by a hydrogen atom. Cyclitols are generally not regarded as carbohydrates.
    GO:0003824    catalytic activity    Catalysis of a biochemical reaction at physiological temperatures. In biologically catalyzed reactions, the reactants are known as substrates, and the catalysts are naturally occurring macromolecular substances known as enzymes. Enzymes possess specific binding sites for substrates, and are usually composed wholly or largely of protein, but RNA that has catalytic activity (ribozyme) is often also regarded as enzymatic.
    GO:0016853    isomerase activity    Catalysis of the geometric or structural changes within one molecule. Isomerase is the systematic name for any enzyme of EC class 5.
biological process
    GO:0005975    carbohydrate metabolic process    The chemical reactions and pathways involving carbohydrates, any of a group of organic compounds based of the general formula Cx(H2O)y. Includes the formation of carbohydrate derivatives by the addition of a carbohydrate residue to another molecule.
    GO:0019318    hexose metabolic process    The chemical reactions and pathways involving a hexose, any monosaccharide with a chain of six carbon atoms in the molecule.

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 Related Entries

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

UniProtKB/Swiss-Prot
        GALM_BACSU | P39840: 3mwx 4bze 4bzf 4bzg

(-) Related Entries Specified in the PDB File

4bze CRYSTAL STRUCTURE OF GALACTOSE MUTAROTASE GALM FROM BACILLUS SUBTILIS
4bzf CRYSTAL STRUCTURE OF GALACTOSE MUTAROTASE GALM FROM BACILLUS SUBTILIS WITH TREHALOSE
4bzg CRYSTAL STRUCTURE OF GALACTOSE MUTAROTASE GALM FROM BACILLUS SUBTILIS IN COMPLEX WITH MALTOSE