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Description

Title :   CRYSTAL STRUCTURE OF THE HYPOTHETICAL PROTEIN MJ1247 FROM METHANOCOCCUS JANNASCHII AT 2.0 A RESOLUTION INFERS A MOLECULAR FUNCTION OF 3-HEXULOSE-6-PHOSPHATE ISOMERASE.

Authors :   L. A. Martinez-Cruz, M. K. Dreyer, D. C. Boisvert, H. Yokota, M. L. Marti Chantar, R. Kim, S. H. Kim, Berkeley Structural Genomics Center (

Date :   18 Jun 01 (Deposition) - 20 Feb 02 (Release) - 13 Jul 11 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   2.00

Chains :   Asym. Unit : A
Biol. Unit 1: A  (1x)
Biol. Unit 2: A  (4x)

Keywords :   Rump Pathway, Phosphosugar, 3-Hexulose-6-Phosphate Isomerase, Phi, Structural Genomics, Bsgc Structure Funded By Nih, Protein Structure Initiative, Psi, Berkeley Structural Genomics Center, Isomerase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   L. A. Martinez-Cruz, M. K. Dreyer, D. C. Boisvert, H. Yokota, M. L. Martinez-Chantar, R. Kim, S. H. Kim
Crystal Structure Of Mj1247 Protein From M. Jannaschii At 2. 0 A Resolution Infers A Molecular Function Of 3-Hexulose-6-Phosphate Isomerase.
Structure V. 10 195 2002
PubMed-ID: 11839305 | Reference-DOI: 10.1016/S0969-2126(02)00701-3

Compounds

Molecule 1 - HYPOTHETICAL PROTEIN MJ1247
	Chains	:	A
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI BL21(DE3)
	Expression System Plasmid	:	SJS1244
	Expression System Strain	:	BL21(DE3)
	Expression System Taxid	:	469008
	Expression System Vector Type	:	PLASMID
	Gene	:	MJ1247
	Organism Scientific	:	METHANOCALDOCOCCUS JANNASCHII
	Organism Taxid	:	2190
	Synonym	:	MJ1247

Structural Features

Chains, Units

		1
Asymmetric Unit	:	A
Biological Unit 1 (1x)	:	A
Biological Unit 2 (4x)	:	A

Summary Information (see also Sequences/Alignments below)

Ligands, Modified Residues, Ions (2, 4)

Asymmetric Unit (2, 4)

No.	Name	Count	Type	Full Name
1	CIT	1	Ligand/Ion	CITRIC ACID
2	CME	3	Mod. Amino Acid	S,S-(2-HYDROXYETHYL)THIOCYSTEINE

Biological Unit 1 (2, 4)

No.	Name	Count	Type	Full Name
1	CIT	1	Ligand/Ion	CITRIC ACID
2	CME	3	Mod. Amino Acid	S,S-(2-HYDROXYETHYL)THIOCYSTEINE

Biological Unit 2 (2, 16)

No.	Name	Count	Type	Full Name
1	CIT	4	Ligand/Ion	CITRIC ACID
2	CME	12	Mod. Amino Acid	S,S-(2-HYDROXYETHYL)THIOCYSTEINE

Sites (1, 1)

Asymmetric Unit (1, 1)

No.	Name	Evidence	Residues	Description
1	AC1	SOFTWARE	VAL A:48 , SER A:51 , SER A:90 , GLY A:91 , SER A:92 , THR A:95 , HIS A:176 , HOH A:3006 , HOH A:3031 , HOH A:3045 , HOH A:3046 , HOH A:3048 , HOH A:3067 , HOH A:3068 , HOH A:3070 , HOH A:3071	BINDING SITE FOR RESIDUE CIT A 3000

SS Bonds (0, 0)

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Cis Peptide Bonds (0, 0)

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Sequence-Structure Mapping

SAPs(SNPs)/Variants (0, 0)

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PROSITE Motifs (1, 1)

Asymmetric Unit (1, 1)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	SIS	PS51464	SIS domain profile.	PHI_METJA	33-167	1	A:33-167

Biological Unit 1 (1, 1)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	SIS	PS51464	SIS domain profile.	PHI_METJA	33-167	1	A:33-167

Biological Unit 2 (1, 4)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	SIS	PS51464	SIS domain profile.	PHI_METJA	33-167	4	A:33-167

Exons (0, 0)

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Sequences/Alignments

Asymmetric Unit

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	UniProt sequence: complete aligned part

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Chain A from PDB  Type:PROTEIN  Length:177
 aligned with PHI_METJA | Q58644 from UniProtKB/Swiss-Prot  Length:180

    Alignment length:177
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       
            PHI_METJA     4 LEELDIVSNNILILKKFYTNDEWKNKLDSLIDRIIKAKKIFIFGVGRSGYIGRCFAMRLMHLGFKSYFVGETTTPSYEKDDLLILISGSGRTESVLTVAKKAKNINNNIIAIVCECGNVVEFADLTIPLEVKKSKYLPMGTTFEETALIFLDLVIAEIMKRLNLDESEIIKRHCNLL 180
               SCOP domains d1jeoa_ A: Probable 3-hexulose-6-phosphate isomerase MJ1247                                                                                                                       SCOP domains
               CATH domains 1jeoA00 A:4-180 Glucose-6-phosphate isomerase like protein; domain 1                                                                                                              CATH domains
               Pfam domains --------------------------------SIS-1jeoA01 A:36-158                                                                                                       ---------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhh..eeee.hhhhhhhhhhhhhhhhhh...eee.............eeeee.....hhhhhhhhhhhhh....eeeee...hhhhhhh.eeee...........hhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhh.... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -----------------------------SIS  PDB: A:33-167 UniProt: 33-167                                                                                                     ------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1jeo A   4 LEELDIVSNNILILKKFYTNDEWKNKLDSLIDRIIKAKKIFIFGVGRSGYIGRCFAMRLMHLGFKSYFVGETTTPSYEKDDLLILISGSGRTESVLTVAKKAKNINNNIIAIVcEcGNVVEFADLTIPLEVKKSKYLPMGTTFEETALIFLDLVIAEIMKRLNLDESEIIKRHcNLL 180
                                    13        23        33        43        53        63        73        83        93       103       113   | | 123       133       143       153       163       173   |   
                                                                                                                                           117-CME                                                     177-CME
                                                                                                                                             119-CME

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	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 (1, 1)

Asymmetric Unit

Classes(

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Folds(

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Superfamilies( (-)

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Families(

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Protein Domains( (-)

)

Organisms( (-)

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

Fold: SIS domain (85)

Superfamily: SIS domain (85)

Family: mono-SIS domain (10)

Protein domain: Probable 3-hexulose-6-phosphate isomerase MJ1247 (1)

Methanococcus jannaschii [TaxId: 2190] (1)

d1jeoa_

CATH Domains (1, 1)

Asymmetric Unit

Classes(

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Architectures( (-)

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Topologies( (-)

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Homologous Superfamilies( (-)

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Organisms( (-)

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Class: Alpha Beta (26913)

Architecture: 3-Layer(aba) Sandwich (12045)

Topology: Rossmann fold (7312)

Homologous Superfamily: Glucose-6-phosphate isomerase like protein; domain 1 (105)

Methanocaldococcus jannaschii. Organism_taxid: 2190. (1)

1jeoA00

A:4-180

Pfam Domains (1, 1)

Asymmetric Unit

Clans(

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Families(

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Organisms( (-)

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Clan: SIS (53)

Family: SIS (23)

Methanocaldococcus jannaschii (strain ATCC 43067 / DSM 2661 / JAL-1 / JCM 10045 / NBRC 100440) (Meth (1)

SIS-1jeoA01

A:36-158

Gene Ontology (6, 6)

Asymmetric Unit(hide GO term definitions)

Chain A (PHI_METJA | Q58644)

molecular function
	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:0004360	glutamine-fructose-6-phosphate transaminase (isomerizing) activity	Catalysis of the reaction: beta-D-fructose 6-phosphate + L-glutamine = D-glucosamine 6-phosphate + L-glutamate.
	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:0006047	UDP-N-acetylglucosamine metabolic process	The chemical reactions and pathways involving UDP-N-acetylglucosamine, a substance composed of N-acetylglucosamine, a common structural unit of oligosaccharides, in glycosidic linkage with uridine diphosphate.
	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:0006002	fructose 6-phosphate metabolic process	The chemical reactions and pathways involving fructose 6-phosphate, also known as F6P. The D-enantiomer is an important intermediate in glycolysis, gluconeogenesis, and fructose metabolism.

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Description

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