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Title :   CRYSTAL STRUCTURE OF THE DOUBLE MUTANT F178Y/R181E OF E.COLI TRANSALDOLASE B

Authors :   S. Schneider, M. Gutierrez, T. Sandalova, G. Schneider, P. Clapes, G. A. Sprenger, A. K. Samland

Date :   13 Nov 09 (Deposition) - 23 Feb 10 (Release) - 14 Apr 10 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   1.90

Chains :   Asym. Unit : A,B
Biol. Unit 1: A  (1x)
Biol. Unit 2: B  (1x)

Keywords :   Transaldolase, Aldolase, Directed Evolution, Cytoplasm, Pentose Shunt, Transferase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   S. Schneider, M. Gutierrez, T. Sandalova, G. Schneider, P. Clapes, G. A. Sprenger, A. K. Samland
Redesigning The Active Site Of Transaldolase Talb From Escherichia Coli: New Variants With Improved Affinity Towards Nonphosphorylated Substrates.
Chembiochem V. 11 681 2010
PubMed-ID: 20148428 | Reference-DOI: 10.1002/CBIC.200900720

Molecule 1 - TRANSALDOLASE B
	Atcc	:	27325
	Chains	:	A, B
	EC Number	:	2.2.1.2
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI
	Expression System Plasmid	:	PJF119EH
	Expression System Strain	:	XL1BLUE
	Expression System Taxid	:	562
	Expression System Vector Type	:	PLASMID
	Gene	:	TALB, YAAK, B0008, JW0007
	Mutation	:	YES
	Organism Scientific	:	ESCHERICHIA COLI K-12
	Organism Taxid	:	83333
	Strain	:	W3110 / K12 / DSM 5911

		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 (1, 4)

No.	Name	Count	Type	Full Name
1	SO4	4	Ligand/Ion	SULFATE ION

Biological Unit 1 (1, 2)

No.	Name	Count	Type	Full Name
1	SO4	2	Ligand/Ion	SULFATE ION

Biological Unit 2 (1, 2)

No.	Name	Count	Type	Full Name
1	SO4	2	Ligand/Ion	SULFATE ION

Asymmetric Unit (4, 4)

No.	Name	Evidence	Residues	Description
1	AC1	SOFTWARE	GLU A:181 , SER A:226 , ARG A:228 , HOH A:598	BINDING SITE FOR RESIDUE SO4 A 320
2	AC2	SOFTWARE	ARG A:92 , PHE A:173 , ARG A:241 , HOH A:377 , HOH A:519 , HOH A:539 , HOH A:574	BINDING SITE FOR RESIDUE SO4 A 321
3	AC3	SOFTWARE	GLU B:181 , SER B:226 , ARG B:228 , HOH B:371	BINDING SITE FOR RESIDUE SO4 B 320
4	AC4	SOFTWARE	ARG B:92 , PHE B:173 , ARG B:241 , HOH B:337 , HOH B:431 , HOH B:456 , HOH B:571	BINDING SITE FOR RESIDUE SO4 B 321

(no "SS Bond" information available for 3KOF)

(no "Cis Peptide Bond" information available for 3KOF)

(no "SAP(SNP)/Variant" information available for 3KOF)

Asymmetric Unit (2, 4)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	TRANSALDOLASE_1	PS01054	Transaldolase signature 1.	TALB_ECOLI	31-39	2	A:31-39 B:31-39
2	TRANSALDOLASE_2	PS00958	Transaldolase active site.	TALB_ECOLI	129-146	2	A:129-146 B:129-146

Biological Unit 1 (2, 2)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	TRANSALDOLASE_1	PS01054	Transaldolase signature 1.	TALB_ECOLI	31-39	1	A:31-39 -
2	TRANSALDOLASE_2	PS00958	Transaldolase active site.	TALB_ECOLI	129-146	1	A:129-146 -

Biological Unit 2 (2, 2)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	TRANSALDOLASE_1	PS01054	Transaldolase signature 1.	TALB_ECOLI	31-39	1	- B:31-39
2	TRANSALDOLASE_2	PS00958	Transaldolase active site.	TALB_ECOLI	129-146	1	- B:129-146

(no "Exon" information available for 3KOF)

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:316
 aligned with TALB_ECOLI | P0A870 from UniProtKB/Swiss-Prot  Length:317

    Alignment length:316
                                    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      
           TALB_ECOLI     2 TDKLTSLRQYTTVVADTGDIAAMKLYQPQDATTNPSLILNAAQIPEYRKLIDDAVAWAKQQSNDRAQQIVDATDKLAVNIGLEILKLVPGRISTEVDARLSYDTEASIAKAKRLIKLYNDAGISNDRILIKLASTWQGIRAAEQLEKEGINCNLTLLFSFAQARACAEAGVFLISPFVGRILDWYKANTDKKEYAPAEDPGVVSVSEIYQYYKEHGYETVVMGASFRNIGEILELAGCDRLTIAPALLKELAESEGAIERKLSYTGEVKARPARITESEFLWQHNQDPMAVDKLAEGIRKFAIDQEKLEKMIGDLL 317
               SCOP domains d3kofa_ A: automated matches                                                                                                                                                                                                                                                                                                 SCOP domains
               CATH domains 3kofA00 A:2-317 Aldolase class I                                                                                                                                                                                                                                                                                             CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhh...eeeee..hhhhhhhhh..eee.hhhhhhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhh.....eeee.hhhhh.hhhhhhhhhhhhhhhhhhh..hhh.eeeeee.hhhhhhhhhhhhhh...eeeeee.hhhhhhhhhhhh..eeee.hhhhhhhhhhhh.....hhhhhhhhhhhhhhhhhhhhh....eeee....hhhhhhh.....eeeehhhhhhhhhh......................hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -----------------------------TRANSALDO-----------------------------------------------------------------------------------------TRANSALDOLASE_2   --------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3kof A   2 TDKLTSLRQYTTVVADTGDIAAMKLYQPQDATTNPSLILNAAQIPEYRKLIDDAVAWAKQQSNDRAQQIVDATDKLAVNIGLEILKLVPGRISTEVDARLSYDTEASIAKAKRLIKLYNDAGISNDRILIKLASTWQGIRAAEQLEKEGINCNLTLLFSFAQARACAEAGVFLISPYVGEILDWYKANTDKKEYAPAEDPGVVSVSEIYQYYKEHGYETVVMGASFRNIGEILELAGCDRLTIAPTLLKELAESEGAIERKLSYTGEVKARPARITESEFLWQHNQDPMAVDKLAEGIRKFAIDQEKLEKMIGDLL 317
                                    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

Chain B from PDB  Type:PROTEIN  Length:316
 aligned with TALB_ECOLI | P0A870 from UniProtKB/Swiss-Prot  Length:317

    Alignment length:316
                                    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      
           TALB_ECOLI     2 TDKLTSLRQYTTVVADTGDIAAMKLYQPQDATTNPSLILNAAQIPEYRKLIDDAVAWAKQQSNDRAQQIVDATDKLAVNIGLEILKLVPGRISTEVDARLSYDTEASIAKAKRLIKLYNDAGISNDRILIKLASTWQGIRAAEQLEKEGINCNLTLLFSFAQARACAEAGVFLISPFVGRILDWYKANTDKKEYAPAEDPGVVSVSEIYQYYKEHGYETVVMGASFRNIGEILELAGCDRLTIAPALLKELAESEGAIERKLSYTGEVKARPARITESEFLWQHNQDPMAVDKLAEGIRKFAIDQEKLEKMIGDLL 317
               SCOP domains d3kofb_ B: automated matches                                                                                                                                                                                                                                                                                                 SCOP domains
               CATH domains 3kofB00 B:2-317 Aldolase class I                                                                                                                                                                                                                                                                                             CATH domains
           Pfam domains (1) ------------Transaldolase-3kofB01 B:14-313                                                                                                                                                                                                                                                                              ---- Pfam domains (1)
           Pfam domains (2) ------------Transaldolase-3kofB02 B:14-313                                                                                                                                                                                                                                                                              ---- Pfam domains (2)
         Sec.struct. author .hhhhhhh...eeeee..hhhhhhhhh..eee.hhhhhhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhh.....eeee.hhhhh.hhhhhhhhhhhhhhhhhhh..hhh.eeeeee.hhhhhhhhhhhhhh...eeeeee.hhhhhhhhhhh...eeee.hhhhhhhhhhhh.....hhhhhhhhhhhhhhhhhhhhh....eeee....hhhhhhhh....eeeehhhhhhhhhhh.....................hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -----------------------------TRANSALDO-----------------------------------------------------------------------------------------TRANSALDOLASE_2   --------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3kof B   2 TDKLTSLRQYTTVVADTGDIAAMKLYQPQDATTNPSLILNAAQIPEYRKLIDDAVAWAKQQSNDRAQQIVDATDKLAVNIGLEILKLVPGRISTEVDARLSYDTEASIAKAKRLIKLYNDAGISNDRILIKLASTWQGIRAAEQLEKEGINCNLTLLFSFAQARACAEAGVFLISPYVGEILDWYKANTDKKEYAPAEDPGVVSVSEIYQYYKEHGYETVVMGASFRNIGEILELAGCDRLTIAPTLLKELAESEGAIERKLSYTGEVKARPARITESEFLWQHNQDPMAVDKLAEGIRKFAIDQEKLEKMIGDLL 317
                                    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

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 '\|'

Asymmetric Unit

Classes(

)

Folds(

)

Superfamilies( (-)

)

Families(

)

Protein Domains( (-)

)

Organisms( (-)

)

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

Fold: TIM beta/alpha-barrel (3956)

Superfamily: Aldolase (457)

Family: Class I aldolase (182)

Protein domain: automated matches (54)

Escherichia coli K-12 [TaxId: 83333] (10)

1a	d3kofa_	A:
1b	d3kofb_	B:

Asymmetric Unit

Classes(

)

Architectures( (-)

)

Topologies( (-)

)

Homologous Superfamilies( (-)

)

Organisms( (-)

)

Class: Alpha Beta (26913)

Architecture: Alpha-Beta Barrel (2994)

Topology: TIM Barrel (2806)

Homologous Superfamily: Aldolase class I (887)

Escherichia coli k-12. Organism_taxid: 83333. Strain: w3110 / k12 / dsm 5911. (1)

1a	3kofA00	A:2-317
1b	3kofB00	B:2-317

Asymmetric Unit

Clans(

)

Families(

)

Organisms( (-)

)

Clan: TIM_barrel (694)

Family: Transaldolase (6)

Escherichia coli (strain K12) (4)

1a	Transaldolase-3kofB01	B:14-313
1b	Transaldolase-3kofB02	B:14-313

Asymmetric Unit(hide GO term definitions)

Chain A,B (TALB_ECOLI | P0A870)

molecular function
	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:0004801	sedoheptulose-7-phosphate:D-glyceraldehyde-3-phosphate glyceronetransferase activity	Catalysis of the reaction: sedoheptulose 7-phosphate + D-glyceraldehyde 3-phosphate = D-erythrose 4-phosphate + D-fructose 6-phosphate.
	GO:0016740	transferase activity	Catalysis of the transfer of a group, e.g. a methyl group, glycosyl group, acyl group, phosphorus-containing, or other groups, from one compound (generally regarded as the donor) to another compound (generally regarded as the acceptor). Transferase is the systematic name for any enzyme of EC class 2.
	GO:0016744	transferase activity, transferring aldehyde or ketonic groups	Catalysis of the transfer of an aldehyde or ketonic group from one compound (donor) to another (acceptor).
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:0006098	pentose-phosphate shunt	The glucose-6-phosphate catabolic process in which, coupled to NADPH synthesis, glucose-6-P is oxidized with the formation of carbon dioxide (CO2) and ribulose 5-phosphate; ribulose 5-P then enters a series of reactions interconverting sugar phosphates. The pentose phosphate pathway is a major source of reducing equivalents for biosynthesis reactions and is also important for the conversion of hexoses to pentoses.
	GO:0009052	pentose-phosphate shunt, non-oxidative branch	The branch of the pentose-phosphate shunt which does not involve oxidation reactions. It comprises a series of sugar phosphate interconversions, starting with ribulose 5-P and producing fructose 6-P and glyceraldehyde 3-P.
cellular component
	GO:0005737	cytoplasm	All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
	GO:0005829	cytosol	The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
	GO:0016020	membrane	A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.

Asymmetric Unit
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Biological Units
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	2.2.1.2
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UniProtKB/Swiss-Prot
	TALB_ECOLI \| P0A870	:	1i2n 1i2o 1i2p 1i2q 1i2r 1onr 1ucw 3cwn 4rz5 4rz6 4s2b 4s2c

1i2n	N35A MUTANT OF TALB
1i2o	E96A MUTANT OF TALB
1i2p	D17A MUTANT OF TALB
1i2q	T156A MUTANT OF TALB
1i2r	S176A MUTANT OF TALB
1onr	WILD TYPE OF TALB
1ucw	REDUCED SCHIFF-BASE INTERMEDIATE COMPLEX OF TALB
3cwn	F178Y MUTANT OF TALB

Description

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Ligands, Modified Residues, Ions (1, 4)

Sites (4, 4)

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