1BT4 - JenaLib

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Title :   PHOSPHOSERINE AMINOTRANSFERASE FROM BACILLUS CIRCULANS SUBSP. ALKALOPHILUS

Authors :   G. Hester, T. N. Luong, M. Moser, J. N. Jansonius

Date :   02 Sep 98 (Deposition) - 09 Sep 98 (Release) - 10 Feb 16 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   2.30

Chains :   Asym. Unit : A
Biol. Unit 1: A  (2x)

Keywords :   Aminotransferase, Pyridoxal-5'-Phosphate, Phosphoserine, Alkaliphilic, Transferase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   G. Hester, T. N. Luong, M. Moser, J. N. Jansonius
The Crystal Structure Of Phosphoserine Aminotransferase Fro Bacillus Circulans Subsp. Alkalophilus
To Be Published
PubMed: search
(for further references see the PDB file header)

Molecule 1 - PHOSPHOSERINE AMINOTRANSFERASE
	Atcc	:	ATCC 21783
	Chains	:	A
	Collection	:	ATCC 21783
	EC Number	:	2.6.1.52
	Fragment	:	ONE COMPLETE SUBUNIT
	Mutation	:	YES
	Organism Scientific	:	BACILLUS CIRCULANS
	Organism Taxid	:	1397
	Other Details	:	THE COFACTOR PYRIDOXAL-5'-PHOSPHATE IS COVALENTLY LINKED TO THE SIDE CHAIN OF LYS 197
	Strain	:	SUBSP. ALKALOPHILUS
	Synonym	:	PHOSPHOHYDROXYTHREONINE AMINOTRANSFERASE, PSAT
	Variant	:	ALKALOPHILUS

		1
Asymmetric Unit	:	A
Biological Unit 1 (2x)	:	A

Summary Information (see also Sequences/Alignments below)

Asymmetric Unit (1, 1)

No.	Name	Count	Type	Full Name
1	PLP	1	Ligand/Ion	PYRIDOXAL-5'-PHOSPHATE

Biological Unit 1 (1, 2)

No.	Name	Count	Type	Full Name
1	PLP	2	Ligand/Ion	PYRIDOXAL-5'-PHOSPHATE

Asymmetric Unit (2, 2)

No.	Name	Evidence	Residues	Description
1	AC1	SOFTWARE	GLY A:76 , ALA A:77 , SER A:78 , PHE A:81 , TRP A:103 , THR A:153 , ASP A:173 , SER A:175 , GLN A:196 , LYS A:197 , ASN A:238 , THR A:239 , HOH A:383 , HOH A:409	BINDING SITE FOR RESIDUE PLP A 363
2	PPB	AUTHOR	LYS A:197	COFACTOR BINDING SITE

(no "SS Bond" information available for 1BT4)

Asymmetric Unit

No.	Residues
1	Gly A:11	-	Pro A:12

(no "SAP(SNP)/Variant" information available for 1BT4)

Asymmetric Unit (1, 1)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	AA_TRANSFER_CLASS_5	PS00595	Aminotransferases class-V pyridoxal-phosphate attachment site.	SERC_BACCI	188-207	1	A:188-207

Biological Unit 1 (1, 2)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	AA_TRANSFER_CLASS_5	PS00595	Aminotransferases class-V pyridoxal-phosphate attachment site.	SERC_BACCI	188-207	2	A:188-207

(no "Exon" information available for 1BT4)

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:361
 aligned with SERC_BACCI | Q59196 from UniProtKB/Swiss-Prot  Length:362

    Alignment length:361
                                    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 
           SERC_BACCI     2 SKRAYNFNAGPAALPLEVLERAQAEFVDYQHTGMSIMEMSHRGAVYEAVHNEAQARLLALLGNPTGYKVLFIQGGASTQFAMIPMNFLKEGQTANYVMTGSWASKALKEAKLIGDTHVAASSEASNYMTLPKLQEIQLQDNAAYLHLTSNETIEGAQFKAFPDTGSVPLIGDMSSDILSRPFDLNQFGLVYAGAQKNLGPSGVTVVIVREDLVAESPKHLPTMLRYDTYVKNNSLYNTPPSFGIYMVNEVLKWIEERGGLEGVQQANRKKASLIYDAIDQSGGFYRGCVDVDSRSDMNITFRLASEELEKEFVKASEQEGFVGLKGHRSVGGLRASIYNAVPYESCEALVQFMEHFKRSRG 362
               SCOP domains d1bt4a_ A: Phosphoserine aminotransferase, PSAT                                                                                                                                                                                                                                                                                                                           SCOP domains
               CATH domains ---------------1bt4A01 A:17-258 Type I PLP-dependent aspartate aminotransferase-like (Major domain)                                                                                                                                                              1bt4A02 A:259-362 Aspartate Aminotransferase, domain 1                                                   CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...............hhhhhhhhh...........hhh.....hhhhhhhhhhhhhhhhh......eeeeee..hhhhhhhhhhhhh.....eeeeee..hhhhhhhhhhhhh..eeeeee.hhh................eeeeeee...................eeeee...........hhh..eeeeehhhh......eeeeeehhh.........hhh.hhhhhhh........hhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhh...........hhh....eeee....hhhhhhhhhhhhh..............eeee......hhhhhhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------AA_TRANSFER_CLASS_5 ----------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1bt4 A   2 SERAYNFNAGPAALPLEVLERAQAEFVDYQHTGMSIMEMSHRGAVYEAVHNEAQARLLALLGNPTGYKVLFIQGGASTQFAMIPMNFLKEGQTANYVMTGSWASKALKEAKLIGDTHVAASSEASNYMTLPKLQEIQLQDNAAYLHLTSNETIEGAQFKAFPDTGSVPLIGDMSSDILSRPFDLNQFGLVYAGAQKNLGPSGVTVVIVREDLVAESPKHLPTMLRYDTYVKNNSLYNTPPSFGIYMVNEVLKWIEERGGLEGVQQANRKKASLIYDAIDQSGGFYRGCVDVDSRSDMNITFRLASEELEKEFVKASEQEGFVGLKGHRSVGGLRASIYNAVPYESCEALVQFMEHFKRSRG 362
                                    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

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(

)

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: GABA-aminotransferase-like (167)

Protein domain: Phosphoserine aminotransferase, PSAT (17)

Bacillus circulans, subsp. alkalophilus [TaxId: 1397] (3)

d1bt4a_

(no "Pfam Domain" information available for 1BT4)

Asymmetric Unit(hide GO term definitions)

Chain A (SERC_BACCI | Q59196)

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.
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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	Cis Peptide Bonds
		Gly A:11 - Pro A:12	[ RasMol ]

Biological Unit
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	1bt4
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	2.6.1.52
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	SERC_BACCI \| Q59196	:	1w3u 2c0r

(no "Related Entries Specified in the PDB File" available for 1BT4)

Description

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Ligands, Modified Residues, Ions (1, 1)

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SS Bonds (0, 0)

Cis Peptide Bonds (1, 1)

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