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Asym./Biol. Unit

Asym./Biol. Unit - sites

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Asym./Biol. Unit (Jmol Viewer)

Asym./Biol. Unit - sites (Jmol Viewer)

Description

Title :   ARSC COMPLEXED WITH MNB

Authors :   J. Messens, I. Van Molle, P. Vanhaesebrouck, M. Limbourg, K. Van Belle, K. Wahni, J. C. Martins, R. Loris, L. Wyns

Date :   18 Dec 03 (Deposition) - 01 Jun 04 (Release) - 24 Feb 09 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   1.70

Chains :   Asym./Biol. Unit : A

Keywords :   Arsc, Mixed Disulphide, 5-Thio-2-Nitrobenzoic Acid, 5- Mercapto-2-Nitrobenzoic Acid, Tnb, Mnb, Oxidoreductase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   J. Messens, I. Van Molle, P. Vanhaesebrouck, K. Van Belle, K. Wahni, J. C. Martins, L. Wyns, R. Loris
The Structure Of A Triple Mutant Of Pi258 Arsenate Reductase From Staphylococcus Aureus And Its 5-Thio-2-Nitrobenzoic Acid Adduct.
Acta Crystallogr. , Sect. D V. 60 1180 2004
PubMed-ID: 15159594 | Reference-DOI: 10.1107/S0907444904007334
(for further references see the PDB file header)

Compounds

Molecule 1 - ARSENATE REDUCTASE
	Chains	:	A
	EC Number	:	1.20.4.1
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI
	Expression System Taxid	:	562
	Gene	:	ARSC, SAP018
	Mutation	:	YES
	Organism Scientific	:	STAPHYLOCOCCUS AUREUS
	Organism Taxid	:	1280
	Synonym	:	ARSC, ARSENICAL PUMP MODIFIER

Structural Features

Chains, Units

		1
Asymmetric/Biological Unit	:	A

Summary Information (see also Sequences/Alignments below)

Ligands, Modified Residues, Ions (3, 3)

Asymmetric/Biological Unit (3, 3)

No.	Name	Count	Type	Full Name
1	K	1	Ligand/Ion	POTASSIUM ION
2	LCP	1	Ligand/Ion	PERCHLORATE ION
3	MNB	1	Ligand/Ion	5-MERCAPTO-2-NITRO-BENZOIC ACID

Sites (3, 3)

Asymmetric Unit (3, 3)

No.	Name	Evidence	Residues	Description
1	AC1	SOFTWARE	ASN A:13 , GLU A:21 , SER A:36 , THR A:63 , ASP A:65 , HOH A:205	BINDING SITE FOR RESIDUE K A 152
2	AC2	SOFTWARE	SER A:10 , THR A:11 , GLY A:12 , SER A:14 , ALA A:15 , ARG A:16 , SER A:17 , HOH A:201	BINDING SITE FOR RESIDUE LCP A 153
3	AC3	SOFTWARE	ILE A:39 , ILE A:67 , ALA A:85 , ASN A:88 , CYS A:89 , PRO A:90 , HOH A:215 , HOH A:325	BINDING SITE FOR RESIDUE MNB A 151

SS Bonds (0, 0)

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

Cis Peptide Bonds (0, 0)

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

Sequence-Structure Mapping

SAPs(SNPs)/Variants (12, 12)

Asymmetric/Biological Unit (12, 12)

								dbSNP	PDB
No.	Source	Variant ID	Variant			UniProt ID	Status	ID	Chain	Variant
01	UniProt	VAR_ARSC_STAAU_001 *	D	2	T	ARSC_STAAU	---	---	A	D	2	T
02	UniProt	VAR_ARSC_STAAU_002 *	D	56	G	ARSC_STAAU	---	---	A	D	56	G
03	UniProt	VAR_ARSC_STAAU_003 *	D	65	N	ARSC_STAAU	---	---	A	D	65	N
04	UniProt	VAR_ARSC_STAAU_004 *	N	87	V	ARSC_STAAU	---	---	A	N	87	V
05	UniProt	VAR_ARSC_STAAU_005 *	I	91	S	ARSC_STAAU	---	---	A	I	91	S
06	UniProt	VAR_ARSC_STAAU_006 *	I	91	T	ARSC_STAAU	---	---	A	I	91	T
07	UniProt	VAR_ARSC_STAAU_007 *	P	94	T	ARSC_STAAU	---	---	A	P	94	T
08	UniProt	VAR_ARSC_STAAU_008 *	E	110	P	ARSC_STAAU	---	---	A	E	110	P
09	UniProt	VAR_ARSC_STAAU_009 *	L	123	I	ARSC_STAAU	---	---	A	L	123	I
10	UniProt	VAR_ARSC_STAAU_010 *	L	123	V	ARSC_STAAU	---	---	A	L	123	V
11	UniProt	VAR_ARSC_STAAU_011 *	K	127	N	ARSC_STAAU	---	---	A	K	127	N
12	UniProt	VAR_ARSC_STAAU_012 *	L	130	S	ARSC_STAAU	---	---	A	L	130	S
	* ID not provided by source

SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)

PROSITE Motifs (0, 0)

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

Exons (0, 0)

(no "Exon" information available for 1RXE)

Sequences/Alignments

Asymmetric/Biological 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:131
 aligned with ARSC_STAAU | P0A006 from UniProtKB/Swiss-Prot  Length:131

    Alignment length:131
                                    10        20        30        40        50        60        70        80        90       100       110       120       130 
           ARSC_STAAU     1 MDKKTIYFICTGNSCRSQMAEGWGKEILGEGWNVYSAGIETHGVNPKAIEAMKEVDIDISNHTSDLIDNDILKQSDLVVTLCSDADNNCPILPPNVKKEHWGFDDPAGKEWSEFQRVRDEIKLAIEKFKLR 131
               SCOP domains d1rxea_ A: Arsenate reductase ArsC                                                                                                  SCOP domains
               CATH domains 1rxeA00 A:1-131  [code=3.40.50.270, no name defined]                                                                                CATH domains
               Pfam domains -----LMWPc-1rxeA01 A:6-129                                                                                                       -- Pfam domains
         Sec.struct. author ...eeeeeee....hhhhhhhhhhhhhhh..eeeeeee......hhhhhhhhhhh............hhhhhhh..eeee.hhhhhhh........eeee.........hhhhhhhhhhhhhhhhhhhhh. Sec.struct. author
             SAPs(SNPs) (1) -T-----------------------------------------------------G--------N---------------------V---S--T---------------P------------I---N--S- SAPs(SNPs) (1)
             SAPs(SNPs) (2) ------------------------------------------------------------------------------------------T-------------------------------V-------- SAPs(SNPs) (2)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1rxe A   1 MDKKTIYFISTGNSARSQMAEGWGKEILGEGWNVYSAGIETHGVNPKAIEAMKEVDIDISNHTSDLIDNDILKQSDLVVTLSSDADNNCPILPPNVKKEHWGFDDPAGKEWSEFQRVRDEIKLAIEKFKLR 131
                                    10        20        30        40        50        60        70        80        90       100       110       120       130

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 '\|'

Classification and Annotation

SCOP Domains (1, 1)

Asymmetric/Biological Unit

Classes(

)

Folds(

)

Superfamilies( (-)

)

Families(

)

Protein Domains( (-)

)

Organisms( (-)

)

Class: Alpha and beta proteins (a/b) (23833)

Fold: Phosphotyrosine protein phosphatases I-like (60)

Superfamily: Phosphotyrosine protein phosphatases I (50)

Family: Low-molecular-weight phosphotyrosine protein phosphatases (29)

Protein domain: Arsenate reductase ArsC (12)

Staphylococcus aureus [TaxId: 1280] (8)

d1rxea_

CATH Domains (1, 1)

Asymmetric/Biological Unit

Classes(

)

Architectures( (-)

)

Topologies( (-)

)

Homologous Superfamilies( (-)

)

Organisms( (-)

)

Class: Alpha Beta (26913)

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

Topology: Rossmann fold (7312)

Homologous Superfamily: [code=3.40.50.270, no name defined] (36)

Staphylococcus aureus. Organism_taxid: 1280. (8)

1rxeA00

A:1-131

Pfam Domains (1, 1)

Asymmetric/Biological Unit

Clans(

)

Families(

)

Organisms( (-)

)

Clan: no clan defined [family: LMWPc] (24)

Family: LMWPc (24)

Staphylococcus aureus (7)

LMWPc-1rxeA01

A:6-129

Gene Ontology (8, 8)

Asymmetric/Biological Unit(hide GO term definitions)

Chain A (ARSC_STAAU | P0A006)

molecular function
	GO:0030612	arsenate reductase (thioredoxin) activity	Catalysis of the reaction: arsenate + thioredoxin = arsenite + thioredoxin disulfide. Thioredoxin disulfide is also known as oxidized thioredoxin.
	GO:0016787	hydrolase activity	Catalysis of the hydrolysis of various bonds, e.g. C-O, C-N, C-C, phosphoric anhydride bonds, etc. Hydrolase is the systematic name for any enzyme of EC class 3.
	GO:0016491	oxidoreductase activity	Catalysis of an oxidation-reduction (redox) reaction, a reversible chemical reaction in which the oxidation state of an atom or atoms within a molecule is altered. One substrate acts as a hydrogen or electron donor and becomes oxidized, while the other acts as hydrogen or electron acceptor and becomes reduced.
	GO:0004725	protein tyrosine phosphatase activity	Catalysis of the reaction: protein tyrosine phosphate + H2O = protein tyrosine + phosphate.
biological process
	GO:0055114	oxidation-reduction process	A metabolic process that results in the removal or addition of one or more electrons to or from a substance, with or without the concomitant removal or addition of a proton or protons.
	GO:0035335	peptidyl-tyrosine dephosphorylation	The removal of phosphoric residues from peptidyl-O-phospho-tyrosine to form peptidyl-tyrosine.
	GO:0046685	response to arsenic-containing substance	Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of an arsenic stimulus from compounds containing arsenic, including arsenates, arsenites, and arsenides.
cellular component
	GO:0005737	cytoplasm	All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.

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	1rxe
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	1.20.4.1
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Related Entries

Entries Sharing at Least One Protein Chain (UniProt ID)

UniProtKB/Swiss-Prot
	ARSC_STAAU \| P0A006	:	1jf8 1jfv 1ljl 1lju 1lk0 1rxi 2cd7 2fxi

Related Entries Specified in the PDB File

1ljl	WILD-TYPE ARSC IN ITS REDUCED STATE
1rxi	ARSC TRIPLE MUTANT C10S/C15A/C82S