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Title :   CRYSTAL STRUCTURE OF A MUTANT (C202A) OF TRIOSEPHOSPHATE ISOMERASE FROM GIARDIA LAMBLIA. COMPLEXED WITH 2-PHOSPHOGLYCOLIC ACID

Authors :   A. Torres-Larios, S. Enriquez-Flores, H. Reyes-Vivas, J. Oria-Herna G. Hernandez-Alcantara

Date :   09 Apr 13 (Deposition) - 29 May 13 (Release) - 14 Aug 13 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   1.60

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

Keywords :   Isomerase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   G. Hernandez-Alcantara, A. Torres-Larios, S. Enriquez-Flores, I. Garcia-Torres, A. Castillo-Villanueva, S. T. Mendez, I. De La Mora-De La Mora, S. Gomez-Manzo, A. Torres-Arroyo, G. Lopez-Velazquez, H. Reyes-Vivas, J. Oria-Hernandez
Structural And Functional Perturbation Of Giardia Lamblia Triosephosphate Isomerase By Modification Of A Non- Catalytic, Non-Conserved Region.
Plos One V. 8 69031 2013
PubMed-ID: 23894402 | Reference-DOI: 10.1371/JOURNAL.PONE.0069031

Molecule 1 - TRIOSEPHOSPHATE ISOMERASE
	Chains	:	A
	EC Number	:	5.3.1.1
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI
	Expression System Strain	:	BL21(DE3)
	Expression System Taxid	:	469008
	Expression System Variant	:	PLYS
	Expression System Vector	:	PET3A
	Expression System Vector Type	:	PLASMID
	Mutation	:	YES
	Organism Scientific	:	GIARDIA INTESTINALIS
	Organism Taxid	:	5741
	Strain	:	WB
	Synonym	:	TIM, TRIOSE-PHOSPHATE ISOMERASE

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

Summary Information (see also Sequences/Alignments below)

Asymmetric Unit (2, 2)

No.	Name	Count	Type	Full Name
1	PGA	1	Ligand/Ion	2-PHOSPHOGLYCOLIC ACID
2	SO4	1	Ligand/Ion	SULFATE ION

Biological Unit 1 (2, 4)

No.	Name	Count	Type	Full Name
1	PGA	2	Ligand/Ion	2-PHOSPHOGLYCOLIC ACID
2	SO4	2	Ligand/Ion	SULFATE ION

Asymmetric Unit (2, 2)

No.	Name	Evidence	Residues	Description
1	AC1	SOFTWARE	ASN A:11 , LYS A:13 , HIS A:96 , GLU A:170 , SER A:174 , ILE A:175 , GLY A:176 , SER A:216 , GLY A:237 , GLY A:238 , HOH A:2013 , HOH A:2172 , HOH A:2174	BINDING SITE FOR RESIDUE PGA A 401
2	AC2	SOFTWARE	ILE A:52 , ASN A:55 , LEU A:60 , ARG A:61 , ILE A:62 , HOH A:2055 , HOH A:2069 , HOH A:2107 , HOH A:2192	BINDING SITE FOR RESIDUE SO4 A1258

(no "SS Bond" information available for 4BI7)

(no "Cis Peptide Bond" information available for 4BI7)

(no "SAP(SNP)/Variant" information available for 4BI7)

Asymmetric Unit (2, 2)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	TIM_2	PS51440	Triosephosphate isomerase (TIM) family profile.	TPI1_GIAIN	5-251	1	A:5-251
2	TIM_1	PS00171	Triosephosphate isomerase active site.	TPI1_GIAIN	168-178	1	A:168-178

Biological Unit 1 (2, 4)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	TIM_2	PS51440	Triosephosphate isomerase (TIM) family profile.	TPI1_GIAIN	5-251	2	A:5-251
2	TIM_1	PS00171	Triosephosphate isomerase active site.	TPI1_GIAIN	168-178	2	A:168-178

(no "Exon" information available for 4BI7)

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
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Chain A from PDB  Type:PROTEIN  Length:256
 aligned with TPI1_GIAIN | P36186 from UniProtKB/Swiss-Prot  Length:257

    Alignment length:256
                                    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      
           TPI1_GIAIN     2 PARRPFIGGNFKCNGSLDFIKSHVAAIAAHKIPDSVDVVIAPSAVHLSTAIAANTSKQLRIAAQNVYLEGNGAWTGETSVEMLQDMGLKHVIVGHSERRRIMGETDEQSAKKAKRALEKGMTVIFCVGETLDERKANRTMEVNIAQLEALGKELGESKMLWKEVVIAYEPVWSIGTGVVATPEQAEEVHVGLRKWFAEKVCAEGAQHIRIIYGGSANGSNCEKLGQCPNIDGFLVGGASLKPEFMTMIDILTKTRT 257
               SCOP domains d4bi7a_ A: automated matches                                                                                                                                                                                                                                     SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .....eeeee.....hhhhhhhhhhhhhhh......eeeee.hhhhhhhhhhhh.....eeee...............hhhhhhhh...eeee.hhhhhhh...hhhhhhhhhhhhhhh..eeeeee..hhhhhhh.hhhhhhhhhhhhhhhhhh....hhh.eeeee.hhhhh......hhhhhhhhhhhhhhhhhhhhhhhhhh..eeeee......hhhhhhh.....eeeehhhhhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) ---TIM_2  PDB: A:5-251 UniProt: 5-251                                                                                                                                                                                                                     ------ PROSITE (1)
                PROSITE (2) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------TIM_1      ------------------------------------------------------------------------------- PROSITE (2)
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4bi7 A   2 PARRPFIGGNFKCNGSLDFIKSHVAAIAAHKIPDSVDVVIAPSAVHLSTAIAANTSKQLRIAAQNVYLEGNGAWTGETSVEMLQDMGLKHVIVGHSERRRIMGETDEQSAKKAKRALEKGMTVIFCVGETLDERKANRTMEVNIAQLEALGKELGESKMLWKEVVIAYEPVWSIGTGVVATPEQAEEVHVGLRKWFAEKVAAEGAQHIRIIYGGSANGSNCEKLGQCPNIDGFLVGGASLKPEFMTMIDILTKTRT 257
                                    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

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: Triosephosphate isomerase (TIM) (148)

Family: automated matches (20)

Protein domain: automated matches (20)

Giardia intestinalis [TaxId: 5741] (5)

d4bi7a_

(no "CATH Domain" information available for 4BI7)

(no "Pfam Domain" information available for 4BI7)

Asymmetric Unit(hide GO term definitions)

Chain A (TPI1_GIAIN | P36186)

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: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.
	GO:0004807	triose-phosphate isomerase activity	Catalysis of the reaction: D-glyceraldehyde 3-phosphate = glycerone phosphate.
biological process
	GO:0006094	gluconeogenesis	The formation of glucose from noncarbohydrate precursors, such as pyruvate, amino acids and glycerol.
	GO:0006096	glycolytic process	The chemical reactions and pathways resulting in the breakdown of a carbohydrate into pyruvate, with the concomitant production of a small amount of ATP and the reduction of NAD(P) to NAD(P)H. Glycolysis begins with the metabolism of a carbohydrate to generate products that can enter the pathway and ends with the production of pyruvate. Pyruvate may be converted to acetyl-coenzyme A, ethanol, lactate, or other small molecules.
	GO:0008152	metabolic process	The chemical reactions and pathways, including anabolism and catabolism, by which living organisms transform chemical substances. Metabolic processes typically transform small molecules, but also include macromolecular processes such as DNA repair and replication, and protein synthesis and degradation.
	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.

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	TPI1_GIAIN \| P36186	:	2dp3 3pf3 4bi5 4bi6

4bi5	CRYSTAL STRUCTURE OF A DOUBLE MUTANT (C202A AND C222D ) OF TRIOSEPHOSPHATE ISOMERASE FROM GIARDIA LAMBLIA.
4bi6	CRYSTAL STRUCTURE OF A TRIPLE MUTANT (A198V, C202A AND C222N) OF TRIOSEPHOSPHATE ISOMERASE FROM GIARDIA LAMBLIA . COMPLEXED WITH 2-PHOSPHOGLYCOLIC ACID

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