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Title :   CRYSTAL STRUCTURE OF PHOSPHOSERINE AMINOTRANSFERASE FROM CAMPYLOBACTER JEJUNI

Authors :   Y. Kim, M. Gu, L. Papazisi, W. F. Anderson, A. Joachimiak

Date :   13 Mar 10 (Deposition) - 07 Apr 10 (Release) - 07 Apr 10 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   2.15

Chains :   Asym./Biol. Unit : A,B

Keywords :   Alpha-Beta Half Sandwich, Csgid, Amino-Acid Biosynthesis, Aminotransferase, Cytoplasm, Pyridoxal Phosphate, Pyridoxine Biosynthesis, Serine Biosynthesis, Transferase, Structural Genomics, Center For Structural Genomics Of Infectious Diseases (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   Y. Kim, M. Gu, L. Papazisi, W. F. Anderson, A. Joachimiak
Crystal Structure Of Phosphoserine Aminotransferase From Campylobacter Jejuni
To Be Published
PubMed: search

Molecule 1 - PHOSPHOSERINE AMINOTRANSFERASE
	Chains	:	A, B
	EC Number	:	2.6.1.52
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI
	Expression System Plasmid	:	PMCSG7
	Expression System Strain	:	BL21 MAGIC
	Expression System Taxid	:	511693
	Expression System Vector Type	:	PLASMID
	Gene	:	CJ0326, SERC
	Organism Scientific	:	CAMPYLOBACTER JEJUNI
	Organism Taxid	:	197
	Strain	:	NCTC 11168
	Synonym	:	PHOSPHOHYDROXYTHREONINE AMINOTRANSFERASE, PSAT

		1	2
Asymmetric/Biological Unit	:	A	B

Summary Information (see also Sequences/Alignments below)

Asymmetric/Biological Unit (3, 27)

No.	Name	Count	Type	Full Name
1	GOL	1	Ligand/Ion	GLYCEROL
2	MES	2	Ligand/Ion	2-(N-MORPHOLINO)-ETHANESULFONIC ACID
3	MSE	24	Mod. Amino Acid	SELENOMETHIONINE

Asymmetric Unit (3, 3)

No.	Name	Evidence	Residues	Description
1	AC1	SOFTWARE	GLN A:155 , ASN A:156 , TYR A:157 , ARG A:175 , LYS A:176 , VAL A:177 , ASP A:178 , HOH A:447	BINDING SITE FOR RESIDUE GOL A 361
2	AC2	SOFTWARE	GLY A:74 , ALA A:75 , SER A:76 , TRP A:100 , THR A:148 , ASP A:167 , SER A:169 , GLN A:190 , LYS A:191 , HOH A:531 , ASN B:233 , THR B:234	BINDING SITE FOR RESIDUE MES A 362
3	AC3	SOFTWARE	ASN A:233 , THR A:234 , GLY B:74 , ALA B:75 , SER B:76 , TRP B:100 , THR B:148 , ASP B:167 , SER B:169 , GLN B:190 , LYS B:191	BINDING SITE FOR RESIDUE MES B 361

Asymmetric/Biological Unit

No.	Residues
1	B:273	-	B:347

Asymmetric/Biological Unit

No.	Residues
1	Gly A:9	-	Pro A:10
2	Gly B:9	-	Pro B:10

(no "SAP(SNP)/Variant" information available for 3M5U)

(no "PROSITE Motif" information available for 3M5U)

(no "Exon" information available for 3M5U)

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:358
 aligned with SERC_CAMJE | Q9PIH3 from UniProtKB/Swiss-Prot  Length:358

    Alignment length:358
                                    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        
           SERC_CAMJE     1 MRKINFSAGPSTLPLEILEQAQKELCDYQGRGYSIMEISHRTKVFEEVHFGAQEKAKKLYELNDDYEVLFLQGGASLQFAMIPMNLALNGVCEYANTGVWTKKAIKEAQILGVNVKTVASSEESNFDHIPRVEFSDNADYAYICSNNTIYGTQYQNYPKTKTPLIVDASSDFFSRKVDFSNIALFYGGVQKNAGISGLSCIFIRKDMLERSKNKQIPSMLNYLTHAENQSLFNTPPTFAIYMFNLEMDWLLNQGGLDKVHEKNSQKATMLYECIDLSNGFYKGHADKKDRSLMNVSFNIAKNKDLEPLFVKEAEEAGMIGLKGHRILGGIRASIYNALNLDQVKTLCEFMKEFQGKYA 358
               SCOP domains d3m5ua_ A: automated matches                                                                                                                                                                                                                                                                                                                                           SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...ee........hhhhhhhhhhh..hhhhh..hhhhh...hhhhhhhhhhhhhhhhhhhh....eeeeee.hhhhhhhhhhhhhhh....eeeee.hhhhhhhhhhhhhh...eeeeee...................eeeee.ee....ee..........eeee.hhhh.........eeeeeee..........eeeeeehhhhhhhhh...hhhhhhhhhhhh.......hhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhh....eee..hhhhh...eeeeee....hhhhhhhhhhhhh.ee..........eeee.....hhhhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3m5u A   1 mRKINFSAGPSTLPLEILEQAQKELCDYQGRGYSImEISHRTKVFEEVHFGAQEKAKKLYELNDDYEVLFLQGGASLQFAmIPmNLALNGVCEYANTGVWTKKAIKEAQILGVNVKTVASSEESNFDHIPRVEFSDNADYAYICSNNTIYGTQYQNYPKTKTPLIVDASSDFFSRKVDFSNIALFYGGVQKNAGISGLSCIFIRKDmLERSKNKQIPSmLNYLTHAENQSLFNTPPTFAIYmFNLEmDWLLNQGGLDKVHEKNSQKATmLYECIDLSNGFYKGHADKKDRSLmNVSFNIAKNKDLEPLFVKEAEEAGmIGLKGHRILGGIRASIYNALNLDQVKTLCEFmKEFQGKYA 358
                            |       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        
                            |                                 36-MSE                                       81-MSE                                                                                                                       207-MSE     219-MSE                242-MSE|                   269-MSE                 293-MSE                  318-MSE                         350-MSE    
                            1-MSE                                                                             84-MSE                                                                                                                                                            247-MSE

Chain B from PDB  Type:PROTEIN  Length:358
 aligned with SERC_CAMJE | Q9PIH3 from UniProtKB/Swiss-Prot  Length:358

    Alignment length:358
                                    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        
           SERC_CAMJE     1 MRKINFSAGPSTLPLEILEQAQKELCDYQGRGYSIMEISHRTKVFEEVHFGAQEKAKKLYELNDDYEVLFLQGGASLQFAMIPMNLALNGVCEYANTGVWTKKAIKEAQILGVNVKTVASSEESNFDHIPRVEFSDNADYAYICSNNTIYGTQYQNYPKTKTPLIVDASSDFFSRKVDFSNIALFYGGVQKNAGISGLSCIFIRKDMLERSKNKQIPSMLNYLTHAENQSLFNTPPTFAIYMFNLEMDWLLNQGGLDKVHEKNSQKATMLYECIDLSNGFYKGHADKKDRSLMNVSFNIAKNKDLEPLFVKEAEEAGMIGLKGHRILGGIRASIYNALNLDQVKTLCEFMKEFQGKYA 358
               SCOP domains d3m5ub_ B: automated matches                                                                                                                                                                                                                                                                                                                                           SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
           Pfam domains (1) ---Aminotran_5-3m5uB01 B:4-346                                                                                                                                                                                                                                                                                                                            ------------ Pfam domains (1)
           Pfam domains (2) ---Aminotran_5-3m5uB02 B:4-346                                                                                                                                                                                                                                                                                                                            ------------ Pfam domains (2)
         Sec.struct. author ...ee........hhhhhhhhhhh..hhhhh..hhhhh...hhhhhhhhhhhhhhhhhhh.....eeeeee.hhhhhhhhhhhhhhh....eeeee.hhhhhhhhhhhhhh...eeeeee.hhhh..............eeeee.ee....ee..........eeee.hhhh.........eeeeeee..........eeeeeehhhhhhhhh...hhhhhhhhhhhh.......hhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhh....eee..hhhhh...eeeeee..hhhhhhhhhhhhhhh.ee..........eeee.....hhhhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3m5u B   1 mRKINFSAGPSTLPLEILEQAQKELCDYQGRGYSImEISHRTKVFEEVHFGAQEKAKKLYELNDDYEVLFLQGGASLQFAmIPmNLALNGVCEYANTGVWTKKAIKEAQILGVNVKTVASSEESNFDHIPRVEFSDNADYAYICSNNTIYGTQYQNYPKTKTPLIVDASSDFFSRKVDFSNIALFYGGVQKNAGISGLSCIFIRKDmLERSKNKQIPSmLNYLTHAENQSLFNTPPTFAIYmFNLEmDWLLNQGGLDKVHEKNSQKATmLYECIDLSNGFYKGHADKKDRSLmNVSFNIAKNKDLEPLFVKEAEEAGmIGLKGHRILGGIRASIYNALNLDQVKTLCEFmKEFQGKYA 358
                            |       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        
                            1-MSE                             36-MSE                                       81-MSE                                                                                                                       207-MSE     219-MSE                242-MSE|                   269-MSE                 293-MSE                  318-MSE                         350-MSE    
                                                                                                              84-MSE                                                                                                                                                            247-MSE

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) (23833)

Fold: PLP-dependent transferase-like (627)

Superfamily: PLP-dependent transferases (625)

Family: automated matches (163)

Protein domain: automated matches (163)

Campylobacter jejuni [TaxId: 197] (2)

1a	d3m5ua_	A:
1b	d3m5ub_	B:

(no "CATH Domain" information available for 3M5U)

Asymmetric/Biological Unit

Clans(

)

Families(

)

Organisms( (-)

)

Clan: PLP_aminotran (240)

Family: Aminotran_5 (20)

Campylobacter jejuni (1)

1a	Aminotran_5-3m5uB01	B:4-346
1b	Aminotran_5-3m5uB02	B:4-346

Asymmetric/Biological Unit(hide GO term definitions)

Chain A,B (SERC_CAMJE | Q9PIH3)

molecular function
	GO:0004648	O-phospho-L-serine:2-oxoglutarate aminotransferase activity	Catalysis of the reaction: O-phospho-L-serine + 2-oxoglutarate = 3-phosphonooxypyruvate + L-glutamate.
	GO:0003824	catalytic activity	Catalysis of a biochemical reaction at physiological temperatures. In biologically catalyzed reactions, the reactants are known as substrates, and the catalysts are naturally occurring macromolecular substances known as enzymes. Enzymes possess specific binding sites for substrates, and are usually composed wholly or largely of protein, but RNA that has catalytic activity (ribozyme) is often also regarded as enzymatic.
	GO:0030170	pyridoxal phosphate binding	Interacting selectively and non-covalently with pyridoxal 5' phosphate, 3-hydroxy-5-(hydroxymethyl)-2-methyl4-pyridine carboxaldehyde 5' phosphate, the biologically active form of vitamin B6.
	GO:0008483	transaminase activity	Catalysis of the transfer of an amino group to an acceptor, usually a 2-oxo acid.
	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:0006564	L-serine biosynthetic process	The chemical reactions and pathways resulting in the formation of L-serine, the L-enantiomer of serine, i.e. (2S)-2-amino-3-hydroxypropanoic acid.
	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:0008615	pyridoxine biosynthetic process	The chemical reactions and pathways resulting in the formation of pyridoxine, 2-methyl-3-hydroxy-4,5-bis(hydroxymethyl)pyridine, one of the vitamin B6 compounds.
cellular component
	GO:0005737	cytoplasm	All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.

Asymmetric/Biological Unit
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		Gly B:9 - Pro B:10	[ RasMol ]

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Description

Compounds

Structural Features

Chains, Units

Ligands, Modified Residues, Ions (3, 27)

Sites (3, 3)

SS Bonds (1, 1)

Cis Peptide Bonds (2, 2)

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