1SQ1 - JenaLib

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Title :   CRYSTAL STRUCTURE OF THE CHORISMATE SYNTHASE FROM CAMPYLOBACTER JEJUNI, NORTHEAST STRUCTURAL GENOMICS TARGET BR19

Authors :   F. Forouhar, I. Lee, S. M. Vorobiev, R. Xiao, T. B. Acton, G. T. Montelion J. F. Hunt, Northeast Structural Genomics Consortium (Nesg)

Date :   17 Mar 04 (Deposition) - 06 Apr 04 (Release) - 13 Jul 11 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   2.80

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

Keywords :   Structural Genomics, Bifunctional Alpha/Beta Tetrameric Protein, Psi, Protein Structure Initiative, Northeast Structural Genomics Consortium, Nesg, Lyase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   F. Forouhar, I. Lee, S. M. Vorobiev, R. Xiao, T. B. Acton, G. T. Montelione, L. Tong, J. F. Hunt
Crystal Structure Of The Chorismate Synthase From Campylobacter Jejuni, Northeast Structural Genomics Target Br19
To Be Published
PubMed: search

Molecule 1 - CHORISMATE SYNTHASE
	Chains	:	A
	EC Number	:	4.2.3.5
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI
	Expression System Plasmid	:	PET21
	Expression System Strain	:	BL21(DE3)+MAGIC
	Expression System Taxid	:	562
	Expression System Vector Type	:	PLASMID
	Gene	:	AROC OR CJ1634
	Organism Scientific	:	CAMPYLOBACTER JEJUNI
	Organism Taxid	:	197
	Strain	:	NCTC 11168
	Synonym	:	5-ENOLPYRUVYLSHIKIMATE-3-PHOSPHATE PHOSPHOLYASE

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

Summary Information (see also Sequences/Alignments below)

Asymmetric Unit (2, 9)

No.	Name	Count	Type	Full Name
1	MSE	7	Mod. Amino Acid	SELENOMETHIONINE
2	SO4	2	Ligand/Ion	SULFATE ION

Biological Unit 1 (2, 36)

No.	Name	Count	Type	Full Name
1	MSE	28	Mod. Amino Acid	SELENOMETHIONINE
2	SO4	8	Ligand/Ion	SULFATE ION

Asymmetric Unit (2, 2)

No.	Name	Evidence	Residues	Description
1	AC1	SOFTWARE	ASN A:238 , ALA A:239 , LEU A:277 , GLY A:278 , LYS A:293	BINDING SITE FOR RESIDUE SO4 A 401
2	AC2	SOFTWARE	SER A:16 , SER A:66 , GLY A:67 , VAL A:68 , THR A:74 , HIS A:76 , SER A:124	BINDING SITE FOR RESIDUE SO4 A 402

(no "SS Bond" information available for 1SQ1)

(no "Cis Peptide Bond" information available for 1SQ1)

(no "SAP(SNP)/Variant" information available for 1SQ1)

Asymmetric Unit (2, 2)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	CHORISMATE_SYNTHASE_1	PS00787	Chorismate synthase signature 1.	AROC_CAMJE	14-29	1	A:14-29
2	CHORISMATE_SYNTHASE_2	PS00788	Chorismate synthase signature 2.	AROC_CAMJE	121-137	1	A:124-137

Biological Unit 1 (2, 8)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	CHORISMATE_SYNTHASE_1	PS00787	Chorismate synthase signature 1.	AROC_CAMJE	14-29	4	A:14-29
2	CHORISMATE_SYNTHASE_2	PS00788	Chorismate synthase signature 2.	AROC_CAMJE	121-137	4	A:124-137

(no "Exon" information available for 1SQ1)

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:288
 aligned with AROC_CAMJE | Q9PM41 from UniProtKB/Swiss-Prot  Length:362

    Alignment length:360
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310       320       330       340       350       360
           AROC_CAMJE     1 MNTFGTRLKFTSFGESHGVAVGCIIDGMPAGVKFDEEFLQNELDKRKGGSKFATPRKESDKAQVLSGVFEGYTTGHPIAIVVFNENAHSKDYDNLKDLFRPAHADFTYFYKYGIRDHRGGGRSSARESVARVAGGAVAAMLLREFDICVQSGVFGVGTFVSNLKEEEFDFEFAKKSEIFCLDPKLESDFKNEILNARNSKDSVGAAVFTKVSGMLIGLGEVLYDKLDSKLAHALMGINAVKAVEIGEGINASKMRGSCNNDALKDGKFLSNHSGGILGGISNGENLILKTYFKPTPSIFAKQESIDKFGNNLKFELKGRHDPCVGVRGSVVASAMVRLVLADCLLLNASANLNNLKNAYG 360
               SCOP domains d1sq1a_ A: Chorismate synthase, AroC                                                                                                                                                                                                                                                                                                                                     SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains -------Chorismate_synt-1sq1A01 A:8-346                                                                                                                                                                                                                                                                                                                    -------------- Pfam domains
         Sec.struct. author ..ee....eeeee.hhhhh.eeeeee........hhhhhhhhhhhh..-----------..eee...ee..ee....eeeee.----------------------------------------...hhhhhhhhhhhhhhhhhh...eeeeeeeee..ee...hhhhhhhhhhhhh........hhhhhhhhhhhhhhh.....eeeeeeee............hhhhhhhhhhhh...eeeeee.hhhhhhhhhhhhhh...............ee..ee....eeeeeee....---------------------......hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE -------------CHORISMATE_SYNTH-------------------------------------------------------------------------------------------CHORISMATE_SYNTHA------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 1sq1 A   1 mNTFGTRLKFTSFGESHGVAVGCIIDGmPAGVKFDEEFLQNELDKRKG-----------DKAQVLSGVFEGYTTGHPIAIVVF----------------------------------------SARESVARVAGGAVAAmLLREFDICVQSGVFGVGTFVSNLKEEEFDFEFAKKSEIFCLDPKLESDFKNEILNARNSKDSVGAAVFTKVSGmLIGLGEVLYDKLDSKLAHALmGINAVKAVEIGEGINASKmRGSCNNDALKDGKFLSNHSGGILGGISNGENLILKTYFKPTP---------------------GRHDPCVGVRGSVVASAmVRLVLADCLLLNASANLNNLKNAYG 360
                            |       10        20       |30        40       | -        60        70        80  |      -         -         -         -   |   130       140       150       160       170       180       190       200       210   |   220       230    |  240       250   |   260       270       280       290     |   -         -       320       330    |  340       350       360
                            |                         28-MSE              48          60                     83                                      124             140-MSE                                                                   214-MSE              235-MSE            254-MSE                                   296                   318              335-MSE                     
                            1-MSE

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(

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Folds(

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Superfamilies( (-)

)

Families(

)

Protein Domains( (-)

)

Organisms( (-)

)

Class: Alpha and beta proteins (a+b) (23004)

Fold: Chorismate synthase, AroC (18)

Superfamily: Chorismate synthase, AroC (18)

Family: Chorismate synthase, AroC (14)

Protein domain: Chorismate synthase, AroC (11)

Campylobacter jejuni [TaxId: 197] (1)

d1sq1a_

(no "CATH Domain" information available for 1SQ1)

Asymmetric Unit

Clans(

)

Families(

)

Organisms( (-)

)

Clan: no clan defined [family: Chorismate_synt] (9)

Family: Chorismate_synt (9)

Campylobacter jejuni (1)

Chorismate_synt-1sq1A01

A:8-346

Asymmetric Unit(hide GO term definitions)

Chain A (AROC_CAMJE | Q9PM41)

molecular function
	GO:0004107	chorismate synthase activity	Catalysis of the reaction: 5-O-(1-carboxyvinyl)-3-phosphoshikimate = chorismate + phosphate.
	GO:0016829	lyase activity	Catalysis of the cleavage of C-C, C-O, C-N and other bonds by other means than by hydrolysis or oxidation, or conversely adding a group to a double bond. They differ from other enzymes in that two substrates are involved in one reaction direction, but only one in the other direction. When acting on the single substrate, a molecule is eliminated and this generates either a new double bond or a new ring.
biological process
	GO:0009073	aromatic amino acid family biosynthetic process	The chemical reactions and pathways resulting in the formation of aromatic amino acid family, amino acids with aromatic ring (phenylalanine, tyrosine, tryptophan).
	GO:0008652	cellular amino acid biosynthetic process	The chemical reactions and pathways resulting in the formation of amino acids, organic acids containing one or more amino substituents.
	GO:0009423	chorismate biosynthetic process	The chemical reactions and pathways resulting in the formation of the unsymmetrical ether derived from phosphoenolpyruvate and 5-phosphoshikimic acid formed as an intermediate in the biosynthesis of aromatic amino acids and many other compounds.

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Biological Unit
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