1Q1K - JenaLib

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Title :   STRUCTURE OF ATP-PHOSPHORIBOSYLTRANSFERASE FROM E. COLI COMPLEXED WITH PR-ATP

Authors :   B. Lohkamp, G. Mcdermott, J. R. Coggins, A. J. Lapthorn

Date :   21 Jul 03 (Deposition) - 02 Mar 04 (Release) - 03 May 17 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   2.90

Chains :   Asym. Unit : A
Biol. Unit 1: A  (6x)

Keywords :   Histidine Biosynthesis, Prpp Binding, Pr-Atp Inhibition, Transferase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   B. Lohkamp, G. Mcdermott, S. A. Campbell, J. R. Coggins, A. J. Lapthorn
The Structure Of Escherichia Coli Atp-Phosphoribosyltransferase: Identification Of Substrate Binding Sites And Mode Of Amp Inhibition
J. Mol. Biol. V. 336 131 2004
PubMed-ID: 14741209 | Reference-DOI: 10.1016/J.JMB.2003.12.020

Molecule 1 - ATP PHOSPHORIBOSYLTRANSFERASE
	Chains	:	A
	EC Number	:	2.4.2.17
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI
	Expression System Plasmid	:	PTB361
	Expression System Strain	:	B824(DE3)PLYSS
	Expression System Taxid	:	562
	Expression System Vector Type	:	PLASMID
	Gene	:	HISG
	Organism Scientific	:	ESCHERICHIA COLI
	Organism Taxid	:	562

		1
Asymmetric Unit	:	A
Biological Unit 1 (6x)	:	A

Summary Information (see also Sequences/Alignments below)

Asymmetric Unit (2, 3)

No.	Name	Count	Type	Full Name
1	PRT	1	Ligand/Ion	PHOSPHORIBOSYL ATP
2	TLA	2	Ligand/Ion	L(+)-TARTARIC ACID

Biological Unit 1 (2, 18)

No.	Name	Count	Type	Full Name
1	PRT	6	Ligand/Ion	PHOSPHORIBOSYL ATP
2	TLA	12	Ligand/Ion	L(+)-TARTARIC ACID

Asymmetric Unit (3, 3)

No.	Name	Evidence	Residues	Description
1	AC1	SOFTWARE	ARG A:16 , CYS A:104 , GLU A:156 , ASP A:169 , LEU A:170 , SER A:172 , THR A:173 , GLY A:174 , ALA A:175 , THR A:176	BINDING SITE FOR RESIDUE PRT A 500
2	AC2	SOFTWARE	ALA A:26 , ARG A:27 , GLY A:29 , PHE A:274 , TRP A:275 , LYS A:296	BINDING SITE FOR RESIDUE TLA A 410
3	AC3	SOFTWARE	ARG A:85 , TYR A:93 , THR A:95	BINDING SITE FOR RESIDUE TLA A 411

(no "SS Bond" information available for 1Q1K)

(no "Cis Peptide Bond" information available for 1Q1K)

(no "SAP(SNP)/Variant" information available for 1Q1K)

Asymmetric Unit (1, 1)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	ATP_P_PHORIBOSYLTR	PS01316	ATP phosphoribosyltransferase signature.	HIS1_ECOLI	156-177	1	A:156-177

Biological Unit 1 (1, 6)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	ATP_P_PHORIBOSYLTR	PS01316	ATP phosphoribosyltransferase signature.	HIS1_ECOLI	156-177	6	A:156-177

(no "Exon" information available for 1Q1K)

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:288
 aligned with HIS1_ECOLI | P60757 from UniProtKB/Swiss-Prot  Length:299

    Alignment length:295
                                    14        24        34        44        54        64        74        84        94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244       254       264       274       284       294     
           HIS1_ECOLI     5 TRLRIAMQKSGRLSDDSRELLARCGIKINLHTQRLIAMAENMPIDILRVRDDDIPGLVMDGVVDLGIIGENVLEEELLNRRAQGEDPRYFTLRRLDFGGCRLSLATPVDEAWDGPLSLNGKRIATSYPHLLKRYLDQKGISFKSCLLNGSVEVAPRAGLADAICDLVSTGATLEANGLREVEVIYRSKACLIQRDGEMEESKQQLIDKLLTRIQGVIQARESKYIMMHAPTERLDEVIALLPGAERPTILPLAGDQQRVAMHMVSSETLFWETMEKLKALGASSILVLPIEKMME 299
               SCOP domains d1q1ka1 A:5-224 ATP phosphoribosyltransferase (ATP-PRTase, HisG), catalytic domain                                                                                                                                          d1q1ka2 A:225-299                                                           SCOP domains
               CATH domains 1q1kA01 A:5-101,A:192-225 Periplasmic binding protein-like II                                    1q1kA02 A:102-191 Periplasmic binding protein-like II                                     1q1kA01 A:5-101,A:192-225         1q1kA03 A:226-299  [code=3.30.7       0.120, no name defined]              CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeeee....hhhhhhhhhhhh...........eee.....eeeeeehhhhhhhhhhhh...eeeeehhhhhhhhhhhhhhh....eeeeee.....eeeeeeee......hhhhhh..eeee.hhhhhhhhhhhhh...eeee...hhhhh.......eeeeee..hhhhhhh.eeeeeeeeee.eeeeee....hhhhhhhhhhhhhhhhhhhhhhhheeee.......hhhhhhhh...........-------...eee....hhhhhhhhhh......eee....... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------ATP_P_PHORIBOSYLTR    -------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1q1k A   5 TRLRIAMQKSGRLSDDSRELLARCGIKINLHTQRLIAMAENMPIDILRVRDDDIPGLVMDGVVDLGIIGENVLEEELLNRRAQGEDPRYFTLRRLDFGGCRLSLATPVDEAWDGPLSLNGKRIATSYPHLLKRYLDQKGISFKSCLLNGSVEVAPRAGLADAICDLVSTGATLEANGLREVEVIYRSKACLIQRDGEMEESKQQLIDKLLTRIQGVIQARESKYIMMHAPTERLDEVIALLPGAERPTILPL-------AMHMVSSETLFWETMEKLKALGASSILVLPIEKMME 299
                                    14        24        34        44        54        64        74        84        94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244       254 |     264       274       284       294     
                                                                                                                                                                                                                                                                                     256     264

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: Alpha-Beta Plaits (1688)

Homologous Superfamily: [code=3.30.70.120, no name defined] (37)

Escherichia coli. Organism_taxid: 562. (1)

1q1kA03

A:226-299

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

Topology: D-Maltodextrin-Binding Protein; domain 2 (600)

Homologous Superfamily: Periplasmic binding protein-like II (486)

Escherichia coli. Organism_taxid: 562. (22)

2a	1q1kA02	A:102-191
2b	1q1kA01	A:5-101,A:192-225

(no "Pfam Domain" information available for 1Q1K)

Asymmetric Unit(hide GO term definitions)

Chain A (HIS1_ECOLI | P60757)

molecular function
	GO:0005524	ATP binding	Interacting selectively and non-covalently with ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator.
	GO:0003879	ATP phosphoribosyltransferase activity	Catalysis of the reaction: 1-(5-phospho-D-ribosyl)-ATP + diphosphate = ATP + 5-phospho-alpha-D-ribose 1-diphosphate.
	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.
	GO:0016757	transferase activity, transferring glycosyl groups	Catalysis of the transfer of a glycosyl group from one compound (donor) to another (acceptor).
biological process
	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:0000105	histidine biosynthetic process	The chemical reactions and pathways resulting in the formation of histidine, 2-amino-3-(1H-imidazol-4-yl)propanoic acid.
cellular component
	GO:0005737	cytoplasm	All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
	GO:0005829	cytosol	The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.

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