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Title :   CRYSTAL STRUCTURE OF GALACTOSE MUTAROTASE GALM FROM BACILLUS SUBTILIS WITH 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 :   1.90

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 With Trehalose
To Be Published
PubMed: search

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

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

Summary Information (see also Sequences/Alignments below)

Asymmetric Unit (4, 6)

No.	Name	Count	Type	Full Name
1	ACT	1	Ligand/Ion	ACETATE ION
2	CIT	2	Ligand/Ion	CITRIC ACID
3	PGE	1	Ligand/Ion	TRIETHYLENE GLYCOL
4	TRE	2	Ligand/Ion	TREHALOSE

Biological Unit 1 (3, 3)

No.	Name	Count	Type	Full Name
1	ACT	-1	Ligand/Ion	ACETATE ION
2	CIT	1	Ligand/Ion	CITRIC ACID
3	PGE	1	Ligand/Ion	TRIETHYLENE GLYCOL
4	TRE	1	Ligand/Ion	TREHALOSE

Biological Unit 2 (3, 3)

No.	Name	Count	Type	Full Name
1	ACT	1	Ligand/Ion	ACETATE ION
2	CIT	1	Ligand/Ion	CITRIC ACID
3	PGE	-1	Ligand/Ion	TRIETHYLENE GLYCOL
4	TRE	1	Ligand/Ion	TREHALOSE

Asymmetric Unit (8, 8)

No.	Name	Evidence	Residues	Description
1	AC1	SOFTWARE	SER A:76 , THR A:79 , PRO A:205 , HIS A:252 , ALA A:253 , HIS A:254 , ASN A:290 , ASN A:293 , LEU A:294 , HOH A:2101 , HOH A:2246 , HOH A:2248 , HOH A:2342 , HOH A:2377 , HOH A:2378	BINDING SITE FOR RESIDUE TRE A 500
2	AC2	SOFTWARE	PRO A:140 , HIS A:141 , HIS A:142 , ASN A:164 , LYS A:165 , GLY A:166 , LYS A:167 , GLU A:168 , PHE A:170 , HOH A:2210	BINDING SITE FOR RESIDUE PGE A 501
3	AC3	SOFTWARE	THR A:62 , LEU A:63 , ARG A:74 , HIS A:101 , HIS A:177 , ASP A:230 , TYR A:271 , HOH A:2095 , HOH A:2098 , HOH A:2220 , HOH A:2289	BINDING SITE FOR RESIDUE CIT A 502
4	AC4	SOFTWARE	SER B:76 , 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:2185 , HOH B:2186 , HOH B:2248 , HOH B:2272 , HOH B:2273	BINDING SITE FOR RESIDUE TRE B 500
5	AC5	SOFTWARE	LEU B:188 , GLU B:220 , TYR B:249 , ASN B:323 , HIS B:324	BINDING SITE FOR RESIDUE CIT B 501
6	AC6	SOFTWARE	HIS B:101 , HIS B:177 , ASP B:230 , HOH B:2079 , HOH B:2084 , HOH B:2163	BINDING SITE FOR RESIDUE ACT B 502
7	TRA	AUTHOR	SER A:76 , THR A:79 , PRO A:205 , ASN A:290	TREHALOSE COMPLEX SITE
8	TRB	AUTHOR	SER B:76 , THR B:79 , PRO B:205 , ASN B:290	TREHALOSE COMPLEX SITE

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

Asymmetric Unit

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

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

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

(no "Exon" information available for 4BZF)

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
                 4bzf 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.....hhh.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
                 4bzf 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 '\|'

(no "SCOP Domain" information available for 4BZF)

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

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

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.

Asymmetric Unit
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	Ligands, Modified Residues, Ions
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	Cis Peptide Bonds
		Phe A:70 - Pro A:71	[ RasMol ]
		Phe B:70 - Pro B:71	[ RasMol ]

Biological Units
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	4bzf
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	GALM_BACSU \| P39840
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	5.1.3.3
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UniProtKB/Swiss-Prot
	GALM_BACSU \| P39840	:	3mwx 4bze 4bzg 4bzh

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

Description

Compounds

Structural Features

Chains, Units

Ligands, Modified Residues, Ions (4, 6)

Sites (8, 8)

SS Bonds (0, 0)

Cis Peptide Bonds (2, 2)

Sequence-Structure Mapping

SAPs(SNPs)/Variants (0, 0)

PROSITE Motifs (0, 0)

Exons (0, 0)

Sequences/Alignments

Classification and Annotation

SCOP Domains (0, 0)

CATH Domains (0, 0)

Pfam Domains (0, 0)

Gene Ontology (6, 6)

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