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Title :   CRYSTAL STRUCTURE OF TRIOSEPHOSPHATE ISOMERASE FROM TRYPANOSOMA CRUZI IN HEXANE

Authors :   X. -G. Gao, E. Maldondo, R. Perez-Montfort, M. T. De Gomez-Puyou, A. Go Puyou, A. Rodriguez-Romero

Date :   06 Apr 99 (Deposition) - 01 Sep 99 (Release) - 13 Jul 11 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   2.00

Chains :   Asym./Biol. Unit : A,B

Keywords :   Triosephosphate Isomerase, Trypanosoma Cruzi, Organic Solvent, Hexane, Oligomeric Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   X. G. Gao, E. Maldonado, R. Perez-Montfort, G. Garza-Ramos, M. T. De Gomez-Puyou, A. Gomez-Puyou, A. Rodriguez-Romero
Crystal Structure Of Triosephosphate Isomerase From Trypanosoma Cruzi In Hexane.
Proc. Natl. Acad. Sci. Usa V. 96 10062 1999
PubMed-ID: 10468562 | Reference-DOI: 10.1073/PNAS.96.18.10062
(for further references see the PDB file header)

Molecule 1 - PROTEIN (TRIOSEPHOSPHATE ISOMERASE)
	Chains	:	A, B
	EC Number	:	5.3.1.1
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI
	Expression System Cellular Location	:	CYTOPLASM
	Expression System Plasmid	:	PET23A
	Expression System Strain	:	BL23(DE3)
	Expression System Taxid	:	562
	Organism Scientific	:	TRYPANOSOMA CRUZI
	Organism Taxid	:	5693
	Strain	:	MEXICAN NINOA STRAIN
	Synonym	:	TIM

		1	2
Asymmetric/Biological Unit	:	A	B

Summary Information (see also Sequences/Alignments below)

Asymmetric/Biological Unit (1, 3)

No.	Name	Count	Type	Full Name
1	HEX	3	Ligand/Ion	HEXANE

Asymmetric Unit (4, 4)

No.	Name	Evidence	Residues	Description
1	AC1	SOFTWARE	ARG B:135 , THR B:140 , GLU B:186	BINDING SITE FOR RESIDUE HEX B 261
2	AC2	SOFTWARE	ILE A:69 , TYR A:103 , GLY A:104 , ILE A:109 , LYS A:113 , HOH A:289 , TYR B:102 , TYR B:103	BINDING SITE FOR RESIDUE HEX B 262
3	AC3	SOFTWARE	PHE A:75 , ARG A:139 , TYR B:103	BINDING SITE FOR RESIDUE HEX B 263
4	CS	AUTHOR	ASN A:12 , LYS A:14 , HIS A:96 , GLU A:168 , ASN B:12 , LYS B:14 , HIS B:96 , GLU B:168	CATALYTIC SITE

(no "SS Bond" information available for 1CI1)

(no "Cis Peptide Bond" information available for 1CI1)

(no "SAP(SNP)/Variant" information available for 1CI1)

Asymmetric/Biological Unit (2, 4)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	TIM_2	PS51440	Triosephosphate isomerase (TIM) family profile.	TPIS_TRYCR	6-249	2	A:6-249 B:6-249
2	TIM_1	PS00171	Triosephosphate isomerase active site.	TPIS_TRYCR	166-176	2	A:166-176 B:166-176

(no "Exon" information available for 1CI1)

Asymmetric/Biological 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:248
 aligned with TPIS_TRYCR | P52270 from UniProtKB/Swiss-Prot  Length:251

    Alignment length:248
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243        
           TPIS_TRYCR     4 KPQPIAAANWKCNGSESLLVPLIETLNAATFDHDVQCVVAPTFLHIPMTKARLTNPKFQIAAQNAITRSGAFTGEVSLQILKDYGISWVVLGHSERRLYYGETNEIVAEKVAQACAAGFHVIVCVGETNEEREAGRTAAVVLTQLAAVAQKLSKEAWSRVVIAYEPVWAIGTGKVATPQQAQEVHELLRRWVRSKLGTDIAAQLRILYGGSVTAKNARTLYQMRDINGFLVGGASLKPEFVEIIEATK 251
               SCOP domains d1ci1a_ A: Triosephosphate isomerase                                                                                                                                                                                                                     SCOP domains
               CATH domains 1ci1A00 A:4-251 Aldolase class I                                                                                                                                                                                                                         CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eeeeee......hhhhhhhhhhhhh......eeeeee..hhhhhhhhhh.....eeee................hhhhhh....eeee..hhhhhh....hhhhhhhhhhhhhh..eeeeee...hhhhh...hhhhhhhhhhhhhhh..hhhhhheeeeee.hhh........hhhhhhhhhhhhhhhhhhh.hhhhhh.eeeee.......hhhhhh.....eeee.hhhh.hhhhhhhh... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) --TIM_2  PDB: A:6-249 UniProt: 6-249                                                                                                                                                                                                                  -- PROSITE (1)
                PROSITE (2) ------------------------------------------------------------------------------------------------------------------------------------------------------------------TIM_1      --------------------------------------------------------------------------- PROSITE (2)
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1ci1 A   4 KPQPIAAANWKCNGSESLLVPLIETLNAATFDHDVQCVVAPTFLHIPMTKARLTNPKFQIAAQNAITRSGAFTGEVSLQILKDYGISWVVLGHSERRLYYGETNEIVAEKVAQACAAGFHVIVCVGETNEEREAGRTAAVVLTQLAAVAQKLSKEAWSRVVIAYEPVWAIGTGKVATPQQAQEVHELLRRWVRSKLGTDIAAQLRILYGGSVTAKNARTLYQMRDINGFLVGGASLKPEFVEIIEATK 251
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243

Chain B from PDB  Type:PROTEIN  Length:249
 aligned with TPIS_TRYCR | P52270 from UniProtKB/Swiss-Prot  Length:251

    Alignment length:249
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242         
           TPIS_TRYCR     3 SKPQPIAAANWKCNGSESLLVPLIETLNAATFDHDVQCVVAPTFLHIPMTKARLTNPKFQIAAQNAITRSGAFTGEVSLQILKDYGISWVVLGHSERRLYYGETNEIVAEKVAQACAAGFHVIVCVGETNEEREAGRTAAVVLTQLAAVAQKLSKEAWSRVVIAYEPVWAIGTGKVATPQQAQEVHELLRRWVRSKLGTDIAAQLRILYGGSVTAKNARTLYQMRDINGFLVGGASLKPEFVEIIEATK 251
               SCOP domains d1ci1b_ B: Triosephosphate isomerase                                                                                                                                                                                                                      SCOP domains
               CATH domains 1ci1B00 B:3-251 Aldolase class I                                                                                                                                                                                                                          CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....eeeeee......hhhhhhhhhhhhh......eeeeee..hhhhhhhhhh.....eee.................hhhhhh....eeee..hhhhhh....hhhhhhhhhhhhh...eeeeee...hhhhh...hhhhhhhhhhhhhhh..hhhhhheeeee..hhhhhh.....hhhhhhhhhhhhhhhhhh..hhhhhh.eeee........hhhhh......eeee.hhhh.hhhhhhhh... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) ---TIM_2  PDB: B:6-249 UniProt: 6-249                                                                                                                                                                                                                  -- PROSITE (1)
                PROSITE (2) -------------------------------------------------------------------------------------------------------------------------------------------------------------------TIM_1      --------------------------------------------------------------------------- PROSITE (2)
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1ci1 B   3 SKPQPIAAANWKCNGSESLLVPLIETLNAATFDHDVQCVVAPTFLHIPMTKARLTNPKFQIAAQNAITRSGAFTGEVSLQILKDYGISWVVLGHSERRLYYGETNEIVAEKVAQACAAGFHVIVCVGETNEEREAGRTAAVVLTQLAAVAQKLSKEAWSRVVIAYEPVWAIGTGKVATPQQAQEVHELLRRWVRSKLGTDIAAQLRILYGGSVTAKNARTLYQMRDINGFLVGGASLKPEFVEIIEATK 251
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242

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/Biological Unit

Classes(

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Folds(

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Superfamilies( (-)

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Families(

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Protein Domains( (-)

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Organisms( (-)

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

Fold: TIM beta/alpha-barrel (3956)

Superfamily: Triosephosphate isomerase (TIM) (148)

Family: Triosephosphate isomerase (TIM) (128)

Protein domain: Triosephosphate isomerase (126)

Trypanosoma cruzi [TaxId: 5693] (5)

1a	d1ci1a_	A:
1b	d1ci1b_	B:

Asymmetric/Biological Unit

Classes(

)

Architectures( (-)

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Topologies( (-)

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Homologous Superfamilies( (-)

)

Organisms( (-)

)

Class: Alpha Beta (26913)

Architecture: Alpha-Beta Barrel (2994)

Topology: TIM Barrel (2806)

Homologous Superfamily: Aldolase class I (887)

Trypanosoma cruzi. Organism_taxid: 5693. Strain: mexican ninoa strain. (3)

1a	1ci1B00	B:3-251
1b	1ci1A00	A:4-251

(no "Pfam Domain" information available for 1CI1)

Asymmetric/Biological Unit(hide GO term definitions)

Chain A,B (TPIS_TRYCR | P52270)

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.
cellular component
	GO:0020015	glycosome	A membrane-bounded organelle found in organisms from the order Kinetoplastida that houses the enzymes of glycolysis.
	GO:0005777	peroxisome	A small organelle enclosed by a single membrane, and found in most eukaryotic cells. Contains peroxidases and other enzymes involved in a variety of metabolic processes including free radical detoxification, lipid catabolism and biosynthesis, and hydrogen peroxide metabolism.

Asymmetric/Biological Unit
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