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Title :   STRUCTURE OF ESCHERICHIA COLI THREONINE ALDOLASE IN COMPLEX WITH ALLO-THR

Authors :   M. K. Safo

Date :   11 Jul 13 (Deposition) - 06 Nov 13 (Release) - 22 Jan 14 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   2.10

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

Keywords :   Threonine Aldolase, Vitamin B6, Plp, Aldimine, Fold-Type 1, Amino Acid Synthesis, Lyase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   M. L. Di Salvo, S. G. Remesh, M. Vivoli, M. S. Ghatge, A. Paiardini, S. D'Aguanno, M. K. Safo, R. Contestabile
On The Catalytic Mechanism And Stereospecificity Of Escherichia Coli L-Threonine Aldolase.
Febs J. V. 281 129 2014
PubMed-ID: 24165453 | Reference-DOI: 10.1111/FEBS.12581

Molecule 1 - LOW-SPECIFICITY L-THREONINE ALDOLASE
	Chains	:	A, B
	EC Number	:	4.1.2.5
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI
	Expression System Plasmid	:	PET22B
	Expression System Taxid	:	562
	Expression System Vector Type	:	PLASMID
	Gene	:	ECOM_01176, LTAE
	Organism Scientific	:	ESCHERICHIA COLI
	Organism Taxid	:	945433

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

Summary Information (see also Sequences/Alignments below)

Asymmetric Unit (6, 9)

No.	Name	Count	Type	Full Name
1	2BK	1	Ligand/Ion	N-({3-HYDROXY-2-METHYL-5-[(PHOSPHONOOXY)METHYL]PYRIDIN-4-YL}METHYL)-L-ALLOTHREONINE
2	2BO	1	Ligand/Ion	N-({3-HYDROXY-2-METHYL-5-[(PHOSPHONOOXY)METHYL]PYRIDIN-4-YL}METHYL)-L-THREONINE
3	CL	1	Ligand/Ion	CHLORIDE ION
4	EPE	2	Ligand/Ion	4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID
5	MG	3	Ligand/Ion	MAGNESIUM ION
6	PLG	1	Ligand/Ion	N-GLYCINE-[3-HYDROXY-2-METHYL-5-PHOSPHONOOXYMETHYL-PYRIDIN-4-YL-METHANE]

Biological Unit 1 (4, 10)

No.	Name	Count	Type	Full Name
1	2BK	2	Ligand/Ion	N-({3-HYDROXY-2-METHYL-5-[(PHOSPHONOOXY)METHYL]PYRIDIN-4-YL}METHYL)-L-ALLOTHREONINE
2	2BO	2	Ligand/Ion	N-({3-HYDROXY-2-METHYL-5-[(PHOSPHONOOXY)METHYL]PYRIDIN-4-YL}METHYL)-L-THREONINE
3	CL	-1	Ligand/Ion	CHLORIDE ION
4	EPE	4	Ligand/Ion	4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID
5	MG	-1	Ligand/Ion	MAGNESIUM ION
6	PLG	2	Ligand/Ion	N-GLYCINE-[3-HYDROXY-2-METHYL-5-PHOSPHONOOXYMETHYL-PYRIDIN-4-YL-METHANE]

Asymmetric Unit (9, 9)

No.	Name	Evidence	Residues	Description
1	AC1	SOFTWARE	THR A:8 , THR A:10 , SER A:196 , THR A:201 , GLN B:230	BINDING SITE FOR RESIDUE MG A 401
2	AC2	SOFTWARE	SER A:6 , THR A:57 , GLY A:58 , THR A:59 , ASN A:62 , HIS A:83 , GLU A:136 , ASP A:166 , ALA A:168 , ARG A:169 , LYS A:197 , ARG A:308 , HOH A:525 , HOH A:610 , HOH A:611 , HOH A:612 , HOH A:689 , HOH A:746 , HIS B:126 , ARG B:229 , HOH B:564 , HOH B:662	BINDING SITE FOR RESIDUE 2BO A 402
3	AC3	SOFTWARE	SER A:6 , THR A:57 , GLY A:58 , THR A:59 , ASN A:62 , HIS A:83 , GLU A:136 , ASP A:166 , ALA A:168 , ARG A:169 , LYS A:197 , ARG A:308 , HOH A:525 , HOH A:574 , HOH A:610 , HOH A:611 , HOH A:612 , HOH A:689 , HOH A:746 , HIS B:126 , ARG B:229 , HOH B:662	BINDING SITE FOR RESIDUE 2BK A 403
4	AC4	SOFTWARE	ARG A:157 , ASN A:160 , LEU A:161 , ALA A:162 , ASP A:189 , ASN A:210 , ARG A:216 , HOH A:533 , HOH A:664 , HOH A:692 , HOH A:693 , LYS B:158	BINDING SITE FOR RESIDUE EPE A 404
5	AC5	SOFTWARE	GLU A:71 , ARG A:72	BINDING SITE FOR RESIDUE CL A 405
6	AC6	SOFTWARE	GLN A:230 , THR B:8 , THR B:10 , SER B:196 , THR B:201	BINDING SITE FOR RESIDUE MG B 401
7	AC7	SOFTWARE	ALA A:93 , VAL A:94 , SER A:97 , HOH A:707 , ALA B:93 , VAL B:94 , SER B:97	BINDING SITE FOR RESIDUE MG B 402
8	AC8	SOFTWARE	ARG A:229 , SER B:6 , THR B:57 , GLY B:58 , THR B:59 , ASN B:62 , HIS B:83 , GLU B:136 , ASP B:166 , ALA B:168 , ARG B:169 , LYS B:197 , ARG B:308 , HOH B:538 , HOH B:592 , HOH B:594 , HOH B:598 , HOH B:669 , HOH B:685	BINDING SITE FOR RESIDUE PLG B 403
9	AC9	SOFTWARE	GLU A:154 , LYS A:158 , HOH A:517 , ASN B:160 , ASP B:189 , ASN B:210 , ASP B:212 , TYR B:213 , ARG B:216 , HOH B:513 , HOH B:548	BINDING SITE FOR RESIDUE EPE B 404

(no "SS Bond" information available for 4LNL)

Asymmetric Unit

No.	Residues
1	Asn A:137	-	Thr A:138
2	Asn B:137	-	Thr B:138

(no "SAP(SNP)/Variant" information available for 4LNL)

(no "PROSITE Motif" information available for 4LNL)

(no "Exon" information available for 4LNL)

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
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Chain A from PDB  Type:PROTEIN  Length:332
                                                                                                                                                                                                                                                                                                                                                                            
               SCOP domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .ee.........hhhhhhhhhhh.........hhhhhhhhhhhhhhhh..eeeee.hhhhhhhhhhhhhh...eeeeee..hhhhhh..hhhhhh...eeeee........hhhhhhhhh........eeeeeeee........hhhhhhhhhhhhhhhh.eeeee..hhhhhhhhhh..hhhhhh...eeeee..........eeeeehhhhhhhhhhhhhhhh.....hhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhh..eeeee..eeeee....hhhhhhhhhhhh.ee.....eeeee.....hhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4lnl A   1 MIDLRSDTVTRPSRAMLEAMMAAPVGDDVYGDDPTVNALQDYAAELSGKEAAIFLPTGTQANLVALLSHCERGEEYIVGQAAHNYLFEAGGAAVLGSIQPQPIDAAADGTLPLDKVAMKIKPDDIHFARTKLLSLENTHNGKVLPREYLKEAWEFTRKRNLALHVDGARIFNAVVAYGCELKEITQYCDSFTICLSKGLGTPVGSLLVGNRDYIKRAIRWRKMTGGGMRQSGILAAAGMYALKNNVARLQEDHDNTAWMAEQLREAGADVMRQDTNMLFVRVGEENAAALGEYMKARNVLINASPIVRLVTHLDVSRAQLAEVAAHWRAFLA 332
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Chain B from PDB  Type:PROTEIN  Length:332
                                                                                                                                                                                                                                                                                                                                                                            
               SCOP domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .ee..hhhhh..hhhhhhhhhhh.........hhhhhhhhhhhhhhhh..eeeee.hhhhhhhhhhhhhh...eeeeee..hhhhhh..hhhhhh...eeeee........hhhhhhhhh........eeeeeeee........hhhhhhhhhhhhhhh..eeeee..hhhhhhhhhh..hhhhhh...eeeee..........eeeeehhhhhhhhhhhhhhhh.....hhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhh....eeeee..eeeee.hhhhhhhhhhhhhh..ee.....eeeee.....hhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4lnl B   1 MIDLRSDTVTRPSRAMLEAMMAAPVGDDVYGDDPTVNALQDYAAELSGKEAAIFLPTGTQANLVALLSHCERGEEYIVGQAAHNYLFEAGGAAVLGSIQPQPIDAAADGTLPLDKVAMKIKPDDIHFARTKLLSLENTHNGKVLPREYLKEAWEFTRKRNLALHVDGARIFNAVVAYGCELKEITQYCDSFTICLSKGLGTPVGSLLVGNRDYIKRAIRWRKMTGGGMRQSGILAAAGMYALKNNVARLQEDHDNTAWMAEQLREAGADVMRQDTNMLFVRVGEENAAALGEYMKARNVLINASPIVRLVTHLDVSRAQLAEVAAHWRAFLA 332
                                    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

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	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 "SCOP Domain" information available for 4LNL)

(no "CATH Domain" information available for 4LNL)

(no "Pfam Domain" information available for 4LNL)

Asymmetric Unit(hide GO term definitions)

(no "Gene Ontology" information available for 4LNL)

Asymmetric Unit
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	Cis Peptide Bonds
		Asn A:137 - Thr A:138	[ RasMol ]
		Asn B:137 - Thr B:138	[ RasMol ]

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		Biological Unit 1	[ Jena3D ]

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4lnj	STRUCTURE OF ESCHERICHIA COLI THREONINE ALDOLASE IN UNLIGANDED FORM
4lnm	STRUCTURE OF ESCHERICHIA COLI THREONINE ALDOLASE IN COMPLEX WITH SERINE

Description

Compounds

Structural Features

Chains, Units

Ligands, Modified Residues, Ions (6, 9)

Sites (9, 9)

SS Bonds (0, 0)

Cis Peptide Bonds (2, 2)

Sequence-Structure Mapping

SAPs(SNPs)/Variants (0, 0)

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Exons (0, 0)

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