1KP2 - JenaLib

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Title :   CRYSTAL STRUCTURE OF E. COLI ARGININOSUCCINATE SYNTHETASE IN COMPLEX WITH ATP

Authors :   C. T. Lemke, P. L. Howell

Date :   27 Dec 01 (Deposition) - 17 Apr 02 (Release) - 13 Jul 11 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   2.00

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

Keywords :   N-Type Atp Pyrophosphatase, Ligase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   C. T. Lemke, P. L. Howell
Substrate Induced Conformational Changes In Argininosuccinate Synthetase
J. Biol. Chem. V. 277 13074 2002
PubMed-ID: 11809762 | Reference-DOI: 10.1074/JBC.M112436200
(for further references see the PDB file header)

Molecule 1 - ARGININOSUCCINATE SYNTHETASE
	Chains	:	A
	EC Number	:	6.3.4.5
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI
	Expression System Plasmid	:	PET21B
	Expression System Strain	:	BB101
	Expression System Taxid	:	562
	Expression System Vector Type	:	PLASMID
	Gene	:	ARGG
	Organism Scientific	:	ESCHERICHIA COLI
	Organism Taxid	:	562

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

Summary Information (see also Sequences/Alignments below)

Asymmetric Unit (3, 5)

No.	Name	Count	Type	Full Name
1	ATP	1	Ligand/Ion	ADENOSINE-5'-TRIPHOSPHATE
2	GAI	1	Ligand/Ion	GUANIDINE
3	PO4	3	Ligand/Ion	PHOSPHATE ION

Biological Unit 1 (3, 20)

No.	Name	Count	Type	Full Name
1	ATP	4	Ligand/Ion	ADENOSINE-5'-TRIPHOSPHATE
2	GAI	4	Ligand/Ion	GUANIDINE
3	PO4	12	Ligand/Ion	PHOSPHATE ION

Asymmetric Unit (5, 5)

No.	Name	Evidence	Residues	Description
1	AC1	SOFTWARE	TYR A:98 , THR A:102 , PRO A:103 , ASN A:134 , ARG A:138 , GLU A:202 , GLU A:279 , TYR A:291 , TYR A:331 , HOH A:499	BINDING SITE FOR RESIDUE PO4 A 456
2	AC2	SOFTWARE	SER A:18 , GLY A:20 , ASP A:22 , THR A:23 , ATP A:459	BINDING SITE FOR RESIDUE PO4 A 457
3	AC3	SOFTWARE	GLU A:262 , ARG A:269 , HOH A:726	BINDING SITE FOR RESIDUE PO4 A 458
4	AC4	SOFTWARE	ALA A:16 , TYR A:40 , ALA A:42 , ASP A:127 , GLY A:128 , SER A:129 , THR A:130 , ASP A:135 , PHE A:139 , ASP A:193 , PO4 A:457 , HOH A:559 , HOH A:632 , HOH A:642 , HOH A:741	BINDING SITE FOR RESIDUE ATP A 459
5	AC5	SOFTWARE	MET A:60 , ALA A:64 , GLU A:65 , ASN A:210 , SER A:211 , HOH A:745	BINDING SITE FOR RESIDUE GAI A 460

(no "SS Bond" information available for 1KP2)

(no "Cis Peptide Bond" information available for 1KP2)

(no "SAP(SNP)/Variant" information available for 1KP2)

Asymmetric Unit (2, 2)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	ARGININOSUCCIN_SYN_1	PS00564	Argininosuccinate synthase signature 1.	ASSY_ECOLI	17-25	1	A:16-24
2	ARGININOSUCCIN_SYN_2	PS00565	Argininosuccinate synthase signature 2.	ASSY_ECOLI	129-140	1	A:128-139

Biological Unit 1 (2, 8)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	ARGININOSUCCIN_SYN_1	PS00564	Argininosuccinate synthase signature 1.	ASSY_ECOLI	17-25	4	A:16-24
2	ARGININOSUCCIN_SYN_2	PS00565	Argininosuccinate synthase signature 2.	ASSY_ECOLI	129-140	4	A:128-139

(no "Exon" information available for 1KP2)

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:431
 aligned with ASSY_ECOLI | P0A6E4 from UniProtKB/Swiss-Prot  Length:447

    Alignment length:443
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281       291       301       311       321       331       341       351       361       371       381       391       401       411       421       431       441   
           ASSY_ECOLI     2 TTILKHLPVGQRIGIAFSGGLDTSAALLWMRQKGAVPYAYTANLGQPDEEDYDAIPRRAMEYGAENARLIDCRKQLVAEGIAAIQCGAFHNTTGGLTYFNTTPLGRAVTGTMLVAAMKEDGVNIWGDGSTYKGNDIERFYRYGLLTNAELQIYKPWLDTDFIDELGGRHEMSEFMIACGFDYKMSVEKAYSTDSNMLGATHEAKDLEYLNSSVKIVNPIMGVKFWDESVKIPAEEVTVRFEQGHPVALNGKTFSDDVEMMLEANRIGGRHGLGMSDQIENRIIEAKSRGIYEAPGMALLHIAYERLLTGIHNEDTIEQYHAHGRQLGRLLYQGRWFDSQALMLRDSLQRWVASQITGEVTLELRRGNDYSILNTVSENLTYKPERLTMEKGDSVFSPDDRIGQLTMRNLDITDTREKLFGYAKTGLLSSSAASGVPQVENLEN 444
               SCOP domains d1kp2a1 A:1-188 Argininosuccinate synthetase, N-terminal domain                                                                                                                             d1kp2a2 A:189-443 Argininosuccinate synthetase, C-terminal domain                                                                                                                                                                                               SCOP domains
               CATH domains 1kp2A01 A:1-72,A:101-188                                                1kp2A02 A:73-100,A:189-375  1kp2A01 A:1-72,A:101-188 Tyrosyl-Transfer RNA Synthetase , subunit E, domain 1          1kp2A02 A:73-100,A:189-375 Argininosuccinate synthetase, chain A, domain 2                                                                                                                 1kp2A03 A:        376-440  [code=1.10.287.400, no name defined]  --- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..ee.......eeeee...hhhhhhhhhhhhhh..eeeeeeee.........hhhhhhhhhh....eeeeehhhhhhhhhhhhhhhh....ee..ee..hhhhhhhhhhhhhhhhhhhhh...eee.......hhhhhhhhhhhhhh...eee.hhhhhhhhhhh.hhhhhhhhhhhh....----....eeeee..eeeee.hhhhh...hhhhh.................eeeeeeee..eeeee......hhhhhhhhhhhhhhh.....eeeeee.....eeeeeeehhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhhhhh.eeeeeee.....eeeeeee..........--------..hhhhhhhhhhhhhhhhhhhhhhhhhhhhh................... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------ARGININOS-------------------------------------------------------------------------------------------------------ARGININOSUCC---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1kp2 A   1 TTILKHLPVGQRIGIAFSGGLDTSAALLWMRQKGAVPYAYTANLGQPDEEDYDAIPRRAMEYGAENARLIDCRKQLVAEGIAAIQCGAFHNTTGGLTYFNTTPLGRAVTGTMLVAAMKEDGVNIWGDGSTYKGNDIERFYRYGLLTNAELQIYKPWLDTDFIDELGGRHEMSEFMIACGFDY----EKAYSTDSNMLGATHEAKDLEYLNSSVKIVNPIMGVKFWDESVKIPAEEVTVRFEQGHPVALNGKTFSDDVEMMLEANRIGGRHGLGMSDQIENRIIEAKSRGIYEAPGMALLHIAYERLLTGIHNEDTIEQYHAHGRQLGRLLYQGRWFDSQALMLRDSLQRWVASQITGEVTLELRRGNDYSILNTVSENLTYKPER--------VFSPDDRIGQLTMRNLDITDTREKLFGYAKTGLLSSSAASGVPQVENLEN 443
                                    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       380    |    -   |   400       410       420       430       440   
                                                                                                                                                                                                               182  187                                                                                                                                                                                                   385      394

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 '\|'

(no "Pfam Domain" information available for 1KP2)

Asymmetric Unit(hide GO term definitions)

Chain A (ASSY_ECOLI | P0A6E4)

molecular function
	GO:0005524	ATP binding	Interacting selectively and non-covalently with ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator.
	GO:0004055	argininosuccinate synthase activity	Catalysis of the reaction: ATP + L-citrulline + L-aspartate = AMP + diphosphate + (N(omega)-L-arginino)succinate.
	GO:0016874	ligase activity	Catalysis of the joining of two substances, or two groups within a single molecule, with the concomitant hydrolysis of the diphosphate bond in ATP or a similar triphosphate.
	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:0005515	protein binding	Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
	GO:0042803	protein homodimerization activity	Interacting selectively and non-covalently with an identical protein to form a homodimer.
biological process
	GO:0006526	arginine biosynthetic process	The chemical reactions and pathways resulting in the formation of arginine, 2-amino-5-(carbamimidamido)pentanoic acid.
	GO:0000053	argininosuccinate metabolic process	The chemical reactions and pathways involving argininosuccinate, 2-(N(omega)-arginino)succinate, an intermediate in the ornithine-urea cycle, where it is synthesized from citrulline and aspartate.
	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:0000050	urea cycle	The sequence of reactions by which arginine is synthesized from ornithine, then cleaved to yield urea and regenerate ornithine. The overall reaction equation is NH3 + CO2 + aspartate + 3 ATP + 2 H2O = urea + fumarate + 2 ADP + 2 phosphate + AMP + diphosphate.
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.

Asymmetric Unit
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	Cis Peptide Bonds
(no "Cis Peptide Bonds" information available for 1kp2)

Biological Unit
	Complete Structure
		Biological Unit 1	[ Jena3D ]

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	1kp2
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	6.3.4.5
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UniProtKB/Swiss-Prot
	ASSY_ECOLI \| P0A6E4	:	1k92 1k97 1kp3

1k92	1K92 IS E. COLI ARGININOSUCCINATE SYNTHETASE
1k97	1K97 IS E. COLI ARGININOSUCCINATE SYNTHETASE IN COMPLEX WITH CITRULLINE AND ASPARTATE
1kp3	1KP3 IS THE CRYSTAL STRUCTURE OF E. COLI ARGININOSUCCINATE SYNTHETASE IN COMPLEX WITH ATP AND CITRULLINE.

Description

Compounds

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Ligands, Modified Residues, Ions (3, 5)

Sites (5, 5)

SS Bonds (0, 0)

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