1EKQ - JenaLib

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Title :   CRYSTAL STRUCTURE OF HYDROXYETHYLTHIAZOLE KINASE IN R3 SPACE GROUP

Authors :   N. Campobasso, I. I. Mathews, T. P. Begley, S. E. Ealick

Date :   09 Mar 00 (Deposition) - 09 Aug 00 (Release) - 12 Nov 14 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   1.50

Chains :   Asym. Unit : A,B
Biol. Unit 1: A  (3x)
Biol. Unit 2: B  (3x)

Keywords :   Alpha-Beta, Transferase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   N. Campobasso, I. I. Mathews, T. P. Begley, S. E. Ealick
Crystal Structure Of 4-Methyl-5-Beta-Hydroxyethylthiazole Kinase From Bacillus Subtilis At 1. 5 A Resolution.
Biochemistry V. 39 7868 2000
PubMed-ID: 10891066 | Reference-DOI: 10.1021/BI0000061

Molecule 1 - HYDROXYETHYLTHIAZOLE KINASE
	Chains	:	A, B
	EC Number	:	2.7.1.50
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI
	Expression System Taxid	:	562
	Mutation	:	YES
	Organism Scientific	:	BACILLUS SUBTILIS
	Organism Taxid	:	1423

		1	2
Asymmetric Unit	:	A	B
Biological Unit 1 (3x)	:	A
Biological Unit 2 (3x)	:		B

Summary Information (see also Sequences/Alignments below)

Asymmetric Unit (1, 2)

No.	Name	Count	Type	Full Name
1	CSD	2	Mod. Amino Acid	3-SULFINOALANINE

Biological Unit 1 (1, 3)

No.	Name	Count	Type	Full Name
1	CSD	3	Mod. Amino Acid	3-SULFINOALANINE

Biological Unit 2 (1, 3)

No.	Name	Count	Type	Full Name
1	CSD	3	Mod. Amino Acid	3-SULFINOALANINE

(no "Site" information available for 1EKQ)

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

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

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

(no "PROSITE Motif" information available for 1EKQ)

(no "Exon" information available for 1EKQ)

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
	(details for a mapped element are shown in a popup box when the mouse pointer rests over it)

Chain A from PDB  Type:PROTEIN  Length:254
 aligned with THIM_BACSU | P39593 from UniProtKB/Swiss-Prot  Length:272

    Alignment length:269
                                    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         
           THIM_BACSU     1 MDAQSAAKCLTAVRRHSPLVHSITNNVVTNFTANGLLALGASPVMAYAKEEVADMAKIAGALVLNIGTLSKESVEAMIIAGKSANEHGVPVILDPVGAGATPFRTESARDIIREVRLAAIRGNAAEIAHTVGVTDWLIKGVDAGEGGGDIIRLAQQAAQKLNTVIAITGEVDVIADTSHVYTLHNGHKLLTKVTGAGCLLTSVVGAFCAVEENPLFAAIAAISSYGVAAQLAAQQTADKGPGSFQIELLNKLSTVTEQDVQEWATIERV 269
               SCOP domains d1ekqa_ A: Hydroxyethylthiazole kinase (THZ kinase, ThiK)                                                                                                                                                                                                                     SCOP domains
               CATH domains 1ekqA00 A:1-269  [code=3.40.1190.20, no name defined]                                                                                                                                                                                                                         CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhhh.eeeee....hhhhhhhhhhhhh.eee......hhhhhhhhh.eeeee....hhhhhhhhhhhhhhhhhh...eeee......hhhhhhhhhhhhhhh...eeeehhhhhhhhh---------------hhhhhhhhhhhhhhhh.eeee....eeee....eeee...hhhhhhh.....hhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhhh.eeee Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1ekq A   1 MDAQSAAKCLTAVRRHSPLVHSITNNVVTNFTANGLLALGASPVMAYAKEEVADMAKIAGALVLNIGTLSKESVEAMIIAGKSANEHGVPVILDPVGAGATPFRTESARDIIREVRLAAIRGNAAEIAHTV---------------GGDIIRLAQQAAQKLNTVIAITGEVDVIADTSHVYTLHNGHKLLTKVTGAGcLLTSVVGAFCAVEENPLFAAIAAISSYGVAAQLAAQQTADKGPGSFQIELLNKLSTVTEQDVQEWATIERV 269
                                    10        20        30        40        50        60        70        80        90       100       110       120       130|        -      |150       160       170       180       190       200       210       220       230       240       250       260         
                                                                                                                                                            131             147                                                198-CSD

Chain B from PDB  Type:PROTEIN  Length:255
 aligned with THIM_BACSU | P39593 from UniProtKB/Swiss-Prot  Length:272

    Alignment length:269
                                    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         
           THIM_BACSU     1 MDAQSAAKCLTAVRRHSPLVHSITNNVVTNFTANGLLALGASPVMAYAKEEVADMAKIAGALVLNIGTLSKESVEAMIIAGKSANEHGVPVILDPVGAGATPFRTESARDIIREVRLAAIRGNAAEIAHTVGVTDWLIKGVDAGEGGGDIIRLAQQAAQKLNTVIAITGEVDVIADTSHVYTLHNGHKLLTKVTGAGCLLTSVVGAFCAVEENPLFAAIAAISSYGVAAQLAAQQTADKGPGSFQIELLNKLSTVTEQDVQEWATIERV 269
               SCOP domains d1ekqb_ B: Hydroxyethylthiazole kinase (THZ kinase, ThiK)                                                                                                                                                                                                                     SCOP domains
               CATH domains 1ekqB00 B:1-269  [code=3.40.1190.20, no name defined]                                                                                                                                                                                                                         CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhhh.eeeee....hhhhhhhhhhhhh.eeee.....hhhhhhhh..eeeee....hhhhhhhhhhhhhhhhhh...eeee......hhhhhhhhhhhhhhh...eeeehhhhhhhhh.--------------hhhhhhhhhhhhhhhh.eeee....eeee....eeee...hhhhhhh.....hhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhhh.eee. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1ekq B   1 MDAQSAAKCLTAVRRHSPLVHSITNNVVTNFTANGLLALGASPVMAYAKEEVADMAKIAGALVLNIGTLSKESVEAMIIAGKSANEHGVPVILDPVGAGATPFRTESARDIIREVRLAAIRGNAAEIAHTVG--------------GGDIIRLAQQAAQKLNTVIAITGEVDVIADTSHVYTLHNGHKLLTKVTGAGcLLTSVVGAFCAVEENPLFAAIAAISSYGVAAQLAAQQTADKGPGSFQIELLNKLSTVTEQDVQEWATIERV 269
                                    10        20        30        40        50        60        70        80        90       100       110       120       130 |       -      |150       160       170       180       190       200       210       220       230       240       250       260         
                                                                                                                                                             132            147                                                198-CSD

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: Ribokinase-like (226)

Superfamily: Ribokinase-like (189)

Family: Thiamin biosynthesis kinases (9)

Protein domain: Hydroxyethylthiazole kinase (THZ kinase, ThiK) (6)

Bacillus subtilis [TaxId: 1423] (5)

1a	d1ekqa_	A:
1b	d1ekqb_	B:

Asymmetric Unit

Classes(

)

Architectures( (-)

)

Topologies( (-)

)

Homologous Superfamilies( (-)

)

Organisms( (-)

)

Class: Alpha Beta (26913)

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

Topology: UDP-N-acetylmuramoyl-L-alanine:D-glutamate ligase (109)

Homologous Superfamily: [code=3.40.1190.20, no name defined] (73)

Bacillus subtilis. Organism_taxid: 1423. (5)

1a	1ekqB00	B:1-269
1b	1ekqA00	A:1-269

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

Asymmetric Unit(hide GO term definitions)

Chain A,B (THIM_BACSU | P39593)

molecular function
	GO:0005524	ATP binding	Interacting selectively and non-covalently with ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator.
	GO:0004417	hydroxyethylthiazole kinase activity	Catalysis of the reaction: 5-(2-hydroxyethyl)-4-methylthiazole + ATP = 4-methyl-5-(2-phosphoethyl)-thiazole + ADP + 2 H(+).
	GO:0016301	kinase activity	Catalysis of the transfer of a phosphate group, usually from ATP, to a substrate molecule.
	GO:0000287	magnesium ion binding	Interacting selectively and non-covalently with magnesium (Mg) ions.
	GO:0046872	metal ion binding	Interacting selectively and non-covalently with any metal ion.
	GO:0000166	nucleotide binding	Interacting selectively and non-covalently with a nucleotide, any compound consisting of a nucleoside that is esterified with (ortho)phosphate or an oligophosphate at any hydroxyl group on the ribose or deoxyribose.
	GO:0016740	transferase activity	Catalysis of the transfer of a group, e.g. a methyl group, glycosyl group, acyl group, phosphorus-containing, or other groups, from one compound (generally regarded as the donor) to another compound (generally regarded as the acceptor). Transferase is the systematic name for any enzyme of EC class 2.
biological process
	GO:0016310	phosphorylation	The process of introducing a phosphate group into a molecule, usually with the formation of a phosphoric ester, a phosphoric anhydride or a phosphoric amide.
	GO:0009228	thiamine biosynthetic process	The chemical reactions and pathways resulting in the formation of thiamine (vitamin B1), a water soluble vitamin present in fresh vegetables and meats, especially liver.
	GO:0009229	thiamine diphosphate biosynthetic process	The chemical reactions and pathways resulting in the formation of thiamine diphosphate, a derivative of thiamine (vitamin B1) which acts as a coenzyme in a range of processes including the Krebs cycle.

Asymmetric Unit
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Biological Units
	Complete Structure
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	1ekq
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	2.7.1.50
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		Interatomic Contacts of Structural Units	:	CSU
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UniProtKB/Swiss-Prot
	THIM_BACSU \| P39593	:	1c3q 1ekk 1esj 1esq

1c3q	1C3Q CONTAINS THE SAME PROTEIN IN DIFFERENT SPACEGROUP
1ekk	CRYSTAL STRUCTURE OF HYDROXYETHYLTHIAZOLE KINASE IN R3 SPACE GROUP WITH HYDROXYETHYLTHIAZOLE
1esj	CRYSTAL STRUCTURE OF THIAZOLE KINASE MUTANT (C198S)
1esq	CRYSTAL STRUCTURE OF C198S MUTANT THIAZOLE KINASE WITH ATP.

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