2C27 - JenaLib

Asym./Biol. Unit (Jmol Viewer)

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

Title :   THE STRUCTURE OF MYCOTHIOL SYNTHASE IN COMPLEX WITH DES-ACETYLMYCOTHIOL AND COENZYMEA.

Authors :   M. W. Vetting, M. Yu, P. M. Rendle, J. S. Blanchard

Date :   26 Sep 05 (Deposition) - 01 Dec 05 (Release) - 24 Feb 09 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   1.80

Chains :   Asym./Biol. Unit : A

Keywords :   Synthase, Mycobacterium Tuberculosis, Mycothiol Synthase, Des- Acetylmycothiol, Acetyltransferase, Gnat, Gcn5 Related N- Acetyltransferase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   M. W. Vetting, M. Yu, P. M. Rendle, J. S. Blanchard
The Substrate-Induced Conformational Change Of Mycobacterium Tuberculosis Mycothiol Synthase.
J. Biol. Chem. V. 281 2795 2006
PubMed-ID: 16326705 | Reference-DOI: 10.1074/JBC.M510798200

Molecule 1 - MYCOTHIOL SYNTHASE
	Chains	:	A
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI
	Expression System Plasmid	:	PET28A
	Expression System Taxid	:	562
	Organism Scientific	:	MYCOBACTERIUM TUBERCULOSIS
	Organism Taxid	:	83332
	Strain	:	H37RV

		1
Asymmetric/Biological Unit	:	A

Summary Information (see also Sequences/Alignments below)

Asymmetric/Biological Unit (3, 3)

No.	Name	Count	Type	Full Name
1	ACO	1	Ligand/Ion	ACETYL COENZYME *A
2	COA	1	Ligand/Ion	COENZYME A
3	MA8	1	Ligand/Ion	(2S,3R,5S,6S)-2,3,4,5,6-PENTAHYDROXYCYCLOHEXYL 2-(L-CYSTEINYLAMINO)-2-DEOXY-ALGLUCOPYRANOSIDE

Asymmetric Unit (3, 3)

No.	Name	Evidence	Residues	Description
1	AC1	SOFTWARE	ASP A:29 , LEU A:80 , VAL A:81 , VAL A:82 , ARG A:87 , ARG A:88 , ARG A:89 , GLY A:90 , ILE A:91 , GLY A:92 , THR A:93 , TRP A:110 , PRO A:117 , ALA A:118 , ALA A:120 , THR A:121 , GLU A:212 , HOH A:2074 , HOH A:2131 , HOH A:2166 , HOH A:2167 , HOH A:2168 , HOH A:2169 , HOH A:2170 , HOH A:2171 , HOH A:2172 , HOH A:2173	BINDING SITE FOR RESIDUE ACO A1313
2	AC2	SOFTWARE	ALA A:173 , PHE A:174 , LEU A:238 , GLY A:239 , VAL A:240 , GLN A:245 , ARG A:246 , GLY A:248 , LEU A:249 , GLY A:250 , GLN A:251 , ASN A:287 , ALA A:290 , THR A:293 , TYR A:294 , MA8 A:1312 , HOH A:2148 , HOH A:2174 , HOH A:2175	BINDING SITE FOR RESIDUE COA A1314
3	AC3	SOFTWARE	GLY A:35 , GLU A:36 , HIS A:112 , LEU A:133 , HIS A:177 , GLU A:179 , LYS A:224 , GLU A:234 , TYR A:236 , TYR A:282 , COA A:1314 , HOH A:2053 , HOH A:2115 , HOH A:2145 , HOH A:2146 , HOH A:2158 , HOH A:2160 , HOH A:2161 , HOH A:2162 , HOH A:2163 , HOH A:2164 , HOH A:2165	BINDING SITE FOR RESIDUE MA8 A1312

(no "SS Bond" information available for 2C27)

(no "Cis Peptide Bond" information available for 2C27)

(no "SAP(SNP)/Variant" information available for 2C27)

Asymmetric/Biological Unit (1, 1)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	GNAT	PS51186	Gcn5-related N-acetyltransferase (GNAT) domain profile.	MSHD_MYCTO	4-141 152-315	1	- A:152-312
1	GNAT	PS51186	Gcn5-related N-acetyltransferase (GNAT) domain profile.	MSHD_MYCTU	4-141 152-315	1	- A:152-312

(no "Exon" information available for 2C27)

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:302
 aligned with MSHD_MYCTO | P9WJM6 from UniProtKB/Swiss-Prot  Length:315

    Alignment length:308
                                    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       304        
           MSHD_MYCTO     5 DWRSALTADEQRSVRALVTATTAVDGVAPVGEQVLRELGQQRTEHLLVAGSRPGGPIIGYLNLSPPRGAGGAMAELVVHPQSRRRGIGTAMARAALAKTAGRNQFWAHGTLDPARATASALGLVGVRELIQMRRPLRDIPEPTIPDGVVIRTYAGTSDDAELLRVNNAAFAGHPEQGGWTAVQLAERRGEAWFDPDGLILAFGDSPRERPGRLLGFHWTKVHPDHPGLGEVYVLGVDPAAQRRGLGQMLTSIGIVSLARRLGGRKTLDPAVEPAVLLYVESDNVAAVRTYQSLGFTTYSVDTAYALAG 312
               SCOP domains d2c27a_ A: automated matches                                                                                                                                                                                                                                                                                         SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ......hhhhhhhhhhhhhhhhhhhh....hhhhhhhh.....eeeeee..---..eeeeeeee........eeeeee.hhhh..hhhhhhhhhhhhhh....eeeehhhhhhhhhhhhhh.eeeeeeeeeeeee............eeeee..hhhhhhhhhhhhhhhh.........hhhhhhhhhh....hhh.eeeeee.........eeeeeeeee......eeeeeeeee.hhhh..hhhhhhhhhhhhhhhhhh---.........eeeeeee..hhhhhhhhhhh..eeeeeeeeeee.. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE GNAT  PDB: - UniProt: 4-141                                                                                                              ----------GNAT  PDB: A:152-312 UniProt: 152-315                                                                                                                             PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2c27 A   5 DWRSALTADEQRSVRALVTATTAVDGVAPVGEQVLRELGQQRTEHLLVAGS---GPIIGYLNLSPPRGAGGAMAELVVHPQSRRRGIGTAMARAALAKTAGRNQFWAHGTLDPARATASALGLVGVRELIQMRRPLRDIPEPTIPDGVVIRTYAGTSDDAELLRVNNAAFAGHPEQGGWTAVQLAERRGEAWFDPDGLILAFGDSPRERPGRLLGFHWTKVHPDHPGLGEVYVLGVDPAAQRRGLGQMLTSIGIVSLARRL---KTLDPAVEPAVLLYVESDNVAAVRTYQSLGFTTYSVDTAYALAG 312
                                    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       304        
                                                                             55  59                                                                                                                                                                                                           265 269

Chain A from PDB  Type:PROTEIN  Length:302
 aligned with MSHD_MYCTU | P9WJM7 from UniProtKB/Swiss-Prot  Length:315

    Alignment length:308
                                    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       304        
           MSHD_MYCTU     5 DWRSALTADEQRSVRALVTATTAVDGVAPVGEQVLRELGQQRTEHLLVAGSRPGGPIIGYLNLSPPRGAGGAMAELVVHPQSRRRGIGTAMARAALAKTAGRNQFWAHGTLDPARATASALGLVGVRELIQMRRPLRDIPEPTIPDGVVIRTYAGTSDDAELLRVNNAAFAGHPEQGGWTAVQLAERRGEAWFDPDGLILAFGDSPRERPGRLLGFHWTKVHPDHPGLGEVYVLGVDPAAQRRGLGQMLTSIGIVSLARRLGGRKTLDPAVEPAVLLYVESDNVAAVRTYQSLGFTTYSVDTAYALAG 312
               SCOP domains d2c27a_ A: automated matches                                                                                                                                                                                                                                                                                         SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ......hhhhhhhhhhhhhhhhhhhh....hhhhhhhh.....eeeeee..---..eeeeeeee........eeeeee.hhhh..hhhhhhhhhhhhhh....eeeehhhhhhhhhhhhhh.eeeeeeeeeeeee............eeeee..hhhhhhhhhhhhhhhh.........hhhhhhhhhh....hhh.eeeeee.........eeeeeeeee......eeeeeeeee.hhhh..hhhhhhhhhhhhhhhhhh---.........eeeeeee..hhhhhhhhhhh..eeeeeeeeeee.. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (2) GNAT  PDB: - UniProt: 4-141                                                                                                              ----------GNAT  PDB: A:152-312 UniProt: 152-315                                                                                                                             PROSITE (2)
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2c27 A   5 DWRSALTADEQRSVRALVTATTAVDGVAPVGEQVLRELGQQRTEHLLVAGS---GPIIGYLNLSPPRGAGGAMAELVVHPQSRRRGIGTAMARAALAKTAGRNQFWAHGTLDPARATASALGLVGVRELIQMRRPLRDIPEPTIPDGVVIRTYAGTSDDAELLRVNNAAFAGHPEQGGWTAVQLAERRGEAWFDPDGLILAFGDSPRERPGRLLGFHWTKVHPDHPGLGEVYVLGVDPAAQRRGLGQMLTSIGIVSLARRL---KTLDPAVEPAVLLYVESDNVAAVRTYQSLGFTTYSVDTAYALAG 312
                                    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       304        
                                                                             55  59                                                                                                                                                                                                           265 269

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/Biological Unit

Classes(

)

Folds(

)

Superfamilies( (-)

)

Families(

)

Protein Domains( (-)

)

Organisms( (-)

)

Class: Alpha and beta proteins (a+b) (23004)

Fold: Acyl-CoA N-acyltransferases (Nat) (250)

Superfamily: Acyl-CoA N-acyltransferases (Nat) (250)

Family: N-acetyl transferase, NAT (154)

Protein domain: automated matches (23)

Mycobacterium tuberculosis [TaxId: 83332] (1)

d2c27a_

(no "CATH Domain" information available for 2C27)

(no "Pfam Domain" information available for 2C27)

Asymmetric/Biological Unit(hide GO term definitions)

Chain A (MSHD_MYCTU | P9WJM7)

molecular function
	GO:0008080	N-acetyltransferase activity	Catalysis of the transfer of an acetyl group to a nitrogen atom on the acceptor molecule.
	GO:0035447	mycothiol synthase activity	Catalysis of the reaction: 1-D-myo-inosityl-2-L-cysteinylamido-2-deoxy-alpha-D-glucopyranoside + acetyl-CoA = mycothiol + coenzyme A + H+. Mycothiol is also known as AcCys-GlcN-Ins and 1-D-myo-inosityl-2-L-cysteinylamido-2-deoxy-alpha-D-glucopyranoside as Cys-GlcN-Ins or desacetylmycothiol.
	GO:0004596	peptide alpha-N-acetyltransferase activity	Catalysis of the reaction: acetyl-CoA + peptide = CoA + N-alpha-acetylpeptide. This reaction is the acetylation of the N-terminal amino acid residue of a peptide or protein.
	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:0016746	transferase activity, transferring acyl groups	Catalysis of the transfer of an acyl group from one compound (donor) to another (acceptor).
	GO:0016747	transferase activity, transferring acyl groups other than amino-acyl groups	Catalysis of the transfer of an acyl group, other than amino-acyl, from one compound (donor) to another (acceptor).
biological process
	GO:0006474	N-terminal protein amino acid acetylation	The acetylation of the N-terminal amino acid of proteins.
	GO:0044119	growth of symbiont in host cell	The increase in size or mass of symbiont, occurring in its host's cell. The host is defined as the larger of the organisms involved in a symbiotic interaction.
	GO:0010125	mycothiol biosynthetic process	The chemical reactions and pathways resulting in the formation of mycothiol, which consists of N-acetyl-L-cysteine linked to a pseudodisaccharide, D-glucosamine and myo-inositol. Mycothiol is produced in actinomycetes like mycobacteria and serves similar functions to glutathione.
	GO:0006950	response to stress	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 a disturbance in organismal or cellular homeostasis, usually, but not necessarily, exogenous (e.g. temperature, humidity, ionizing radiation).
cellular component
	GO:0005829	cytosol	The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
	GO:0031248	protein acetyltransferase complex	A complex that catalyzes the transfer of an acetyl group to a protein acceptor molecule.

Chain A (MSHD_MYCTO | P9WJM6)

molecular function
	GO:0008080	N-acetyltransferase activity	Catalysis of the transfer of an acetyl group to a nitrogen atom on the acceptor molecule.
	GO:0035447	mycothiol synthase activity	Catalysis of the reaction: 1-D-myo-inosityl-2-L-cysteinylamido-2-deoxy-alpha-D-glucopyranoside + acetyl-CoA = mycothiol + coenzyme A + H+. Mycothiol is also known as AcCys-GlcN-Ins and 1-D-myo-inosityl-2-L-cysteinylamido-2-deoxy-alpha-D-glucopyranoside as Cys-GlcN-Ins or desacetylmycothiol.
	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:0016746	transferase activity, transferring acyl groups	Catalysis of the transfer of an acyl group from one compound (donor) to another (acceptor).
	GO:0016747	transferase activity, transferring acyl groups other than amino-acyl groups	Catalysis of the transfer of an acyl group, other than amino-acyl, from one compound (donor) to another (acceptor).
biological process
	GO:0010125	mycothiol biosynthetic process	The chemical reactions and pathways resulting in the formation of mycothiol, which consists of N-acetyl-L-cysteine linked to a pseudodisaccharide, D-glucosamine and myo-inositol. Mycothiol is produced in actinomycetes like mycobacteria and serves similar functions to glutathione.

Asymmetric/Biological Unit
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	Cis Peptide Bonds
(no "Cis Peptide Bonds" information available for 2c27)

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	2c27
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UniProtKB/Swiss-Prot
	MSHD_MYCTO \| P9WJM6	:	1ozp 1p0h
	MSHD_MYCTU \| P9WJM7	:	1ozp 1p0h

1ozp	CRYSTAL STRUCTURE OF RV0819 FROM MYCOBACTERIUM TUBERCULOSISMSHD-MYCOTHIOL SYNTHASE ACETYL- COENZYME A COMPLEX.
1p0h	CRYSTAL STRUCTURE OF RV0819 FROM MYCOBACTERIUM TUBERCULOSISMSHD-MYCOTHIOL SYNTHASE COENZYME A COMPLEX

Description

Compounds

Structural Features

Chains, Units

Ligands, Modified Residues, Ions (3, 3)

Sites (3, 3)

SS Bonds (0, 0)

Cis Peptide Bonds (0, 0)

Sequence-Structure Mapping

SAPs(SNPs)/Variants (0, 0)

PROSITE Motifs (1, 1)

Exons (0, 0)

Sequences/Alignments

Classification and Annotation

SCOP Domains (1, 1)

CATH Domains (0, 0)

Pfam Domains (0, 0)

Gene Ontology (12, 18)

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