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Title :   A RE-EVALUATION OF THE CRYSTAL STRUCTURE OF CHLOROMUCONATE CYCLOISOMERASE

Authors :   G. J. Kleywegt, T. A. Jones

Date :   24 Feb 95 (Deposition) - 31 Jul 95 (Release) - 13 Jul 11 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   3.00

Chains :   Asym. Unit : A
Biol. Unit 1: A  (8x)

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

Reference :   G. J. Kleywegt, H. Hoier, T. A. Jones
A Re-Evaluation Of The Crystal Structure Of Chloromuconate Cycloisomerase.
Acta Crystallogr. , Sect. D V. 52 858 1996
PubMed-ID: 15299651 | Reference-DOI: 10.1107/S0907444995008936
(for further references see the PDB file header)

Molecule 1 - CHLOROMUCONATE CYCLOISOMERASE
	Chains	:	A
	EC Number	:	5.5.1.7
	Engineered	:	YES
	Organism Scientific	:	CUPRIAVIDUS NECATOR
	Organism Taxid	:	106590

		1
Asymmetric Unit	:	A
Biological Unit 1 (8x)	:	A

Summary Information (see also Sequences/Alignments below)

Asymmetric Unit (2, 2)

No.	Name	Count	Type	Full Name
1	CL	1	Ligand/Ion	CHLORIDE ION
2	MN	1	Ligand/Ion	MANGANESE (II) ION

Biological Unit 1 (0, 0)

No.	Name	Count	Type	Full Name
1	CL	-1	Ligand/Ion	CHLORIDE ION
2	MN	-1	Ligand/Ion	MANGANESE (II) ION

Asymmetric Unit (2, 2)

No.	Name	Evidence	Residues	Description
1	AC1	SOFTWARE	ASP A:194 , GLU A:220 , ASP A:245 , CL A:500	BINDING SITE FOR RESIDUE MN A 400
2	AC2	SOFTWARE	LYS A:165 , ASP A:245 , LYS A:269 , MN A:400	BINDING SITE FOR RESIDUE CL A 500

(no "SS Bond" information available for 2CHR)

(no "Cis Peptide Bond" information available for 2CHR)

(no "SAP(SNP)/Variant" information available for 2CHR)

Asymmetric Unit (2, 2)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	MR_MLE_1	PS00908	Mandelate racemase / muconate lactonizing enzyme family signature 1.	TFDD1_CUPNJ	100-125	1	A:100-125
2	MR_MLE_2	PS00909	Mandelate racemase / muconate lactonizing enzyme family signature 2.	TFDD1_CUPNJ	191-222	1	A:191-222

Biological Unit 1 (2, 16)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	MR_MLE_1	PS00908	Mandelate racemase / muconate lactonizing enzyme family signature 1.	TFDD1_CUPNJ	100-125	8	A:100-125
2	MR_MLE_2	PS00909	Mandelate racemase / muconate lactonizing enzyme family signature 2.	TFDD1_CUPNJ	191-222	8	A:191-222

(no "Exon" information available for 2CHR)

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:370
 aligned with TFDD1_CUPNJ | P05404 from UniProtKB/Swiss-Prot  Length:370

    Alignment length:370
                                    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       370
          TFDD1_CUPNJ     1 MKIDAIEAVIVDVPTKRPIQMSITTVHQQSYVIVRVYSEGLVGVGEGGSVGGPVWSAECAETIKIIVERYLAPHLLGTDAFNVSGALQTMARAVTGNASAKAAVEMALLDLKARALGVSIAELLGGPLRSAIPIAWTLASGDTKRDLDSAVEMIERRRHNRFKVKLGFRSPQDDLIHMEALSNSLGSKAYLRVDVNQAWDEQVASVYIPELEALGVELIEQPVGRENTQALRRLSDNNRVAIMADESLSTLASAFDLARDRSVDVFSLKLCNMGGVSATQKIAAVAEASGIASYGGTMLDSTIGTSVALQLYSTVPSLPFGCELIGPFVLADTLSHEPLEIRDYELQVPTGVGHGMTLDEDKVRQYARVS 370
               SCOP domains d2chra2 A:1-126 Chlormuconate cycloisomerase                                                                                  d2chra1 A:127-370 Chlormuconate cycloisomerase                                                                                                                                                                                                       SCOP domains
               CATH domains 2chrA01 A:1-127 Enolase-like, N-terminal domain                                                                                2chrA02 A:128-329 Enolase superfamily                                                                                                                                                                     ----------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....eeeeeeeeee.............eeeeeeeeee......eee.............hhhhhhhhhhh.hhhh.......hhhhhhhhh......hhhhhhhhhhhhhhhhhh....hhhh.......eee.eeee....hhhhhhhhhhhhh.....eeeee.....hhhhhhhhhhhhhh.....eeeee.......hhhhhhhhhhhhh...eee.........hhhhhhhh...eee.......hhhhhhhh...........hhhh..hhhhhhhhhhhhhh............hhhhhhhhhhhhh...........hhhh...............eee............hhhhhhh.... Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------MR_MLE_1  PDB: A:100-125  -----------------------------------------------------------------MR_MLE_2  PDB: A:191-222        ---------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2chr A   1 MKIDAIEAVIVDVPTKRPIQMSITTVHQQSYVIVRVYSEGLVGVGEGGSVGGPVWSAECAETIKIIVERYLAPHLLGTDAFNVSGALQTMARAVTGNASAKAAVEMALLDLKARALGVSIAELLGGPLRSAIPIAWTLASGDTKRDLDSAVEMIERRRHNRFKVKLGFRSPQDDLIHMEALSNSLGSKAYLRVDVNQAWDEQVASVYIPELEALGVELIEQPVGRENTQALRRLSDNNRVAIMADESLSTLASAFDLARDRSVDVFSLKLCNMGGVSATQKIAAVAEASGIASYGGTMLDSTIGTSVALQLYSTVPSLPFGCELIGPFVLADTLSHEPLEIRDYELQVPTGVGHGMTLDEDKVRQYARVS 370
                                    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       370

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(

)

Architectures( (-)

)

Topologies( (-)

)

Homologous Superfamilies( (-)

)

Organisms( (-)

)

Class: Alpha Beta (26913)

Architecture: 2-Layer Sandwich (8480)

Topology: Enolase-like; domain 1 (252)

Homologous Superfamily: Enolase-like, N-terminal domain (130)

Cupriavidus necator. Organism_taxid: 106590 (2)

2chrA01

A:1-127

Architecture: Alpha-Beta Barrel (2994)

Topology: TIM Barrel (2806)

Homologous Superfamily: Enolase superfamily (142)

Cupriavidus necator. Organism_taxid: 106590 (2)

2chrA02

A:128-329

(no "Pfam Domain" information available for 2CHR)

Asymmetric Unit(hide GO term definitions)

Chain A (TFDD1_CUPNJ | P05404)

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:0018850	chloromuconate cycloisomerase activity	Catalysis of the reaction: 2-chloro-2,5-dihydro-5-oxofuran-2-acetate = 3-chloro-cis,cis-muconate.
	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:0030145	manganese ion binding	Interacting selectively and non-covalently with manganese (Mn) ions.
	GO:0046872	metal ion binding	Interacting selectively and non-covalently with any metal ion.
	GO:0018849	muconate cycloisomerase activity	Catalysis of the reaction: 2,5-dihydro-5-oxofuran-2-acetate = cis,cis-hexadienedioate.
biological process
	GO:0019439	aromatic compound catabolic process	The chemical reactions and pathways resulting in the breakdown of aromatic compounds, any substance containing an aromatic carbon ring.
	GO:0009063	cellular amino acid catabolic process	The chemical reactions and pathways resulting in the breakdown of amino acids, organic acids containing one or more amino substituents.
	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.

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