2WNQ - JenaLib

Asym./Biol. Unit (Jmol Viewer)

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

Title :   STRUCTURE OF THE E192N MUTANT OF E. COLI N-ACETYLNEURAMINIC ACID LYASE IN SPACE GROUP P21

Authors :   I. Campeotto, A. H. Bolt, T. A. Harman, C. H. Trinh, C. A. Dennis, S. E. V. P A. R. Pearson, A. Nelson, A. Berry

Date :   17 Jul 09 (Deposition) - 25 Aug 10 (Release) - 17 Nov 10 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   1.80

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

Keywords :   Substrate Specificity, Carbohydrate Metabolism, Directed Evolution, Protein Engineering, Lyase, Aldolase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   I. Campeotto, A. H. Bolt, T. A. Harman, C. A. Dennis, C. H. Trinh, S. E. V. Phillips, A. Nelson, A. R. Pearson, A. Berry
Structural Insights Into Substrate Specificity In Variants Of N-Acetylneuraminic Acid Lyase Produced By Directed Evolution.
J. Mol. Biol. V. 404 56 2010
PubMed-ID: 20826162 | Reference-DOI: 10.1016/J.JMB.2010.08.008

Molecule 1 - N-ACETYLNEURAMINATE LYASE
	Chains	:	A, B, C, D
	EC Number	:	4.1.3.3
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI
	Expression System Plasmid	:	PKNANA
	Expression System Strain	:	BL21 (DE3)
	Expression System Taxid	:	469008
	Fragment	:	RESIDUES 2-297
	Mutation	:	YES
	Organism Scientific	:	ESCHERICHIA COLI
	Organism Taxid	:	562
	Synonym	:	N-ACETYLNEURAMINIC ACID LYASE, N-ACETYLNEURAMINATE PYRUVATE-LYASE, SIALIC ACID LYASE, SIALATE LYASE, SIALIC ACID ALDOLASE, NALASE

		1	2	3	4
Asymmetric/Biological Unit	:	A	B	C	D

Summary Information (see also Sequences/Alignments below)

Asymmetric/Biological Unit (1, 4)

No.	Name	Count	Type	Full Name
1	CL	4	Ligand/Ion	CHLORIDE ION

Asymmetric Unit (4, 4)

No.	Name	Evidence	Residues	Description
1	AC1	SOFTWARE	SER A:47 , THR A:48 , TYR A:137 , LYS A:165	BINDING SITE FOR RESIDUE CL A1298
2	AC2	SOFTWARE	TYR B:43 , GLY B:46 , SER B:47 , THR B:48 , LYS B:165	BINDING SITE FOR RESIDUE CL B1297
3	AC3	SOFTWARE	TYR C:43 , SER C:47 , THR C:48 , LYS C:165	BINDING SITE FOR RESIDUE CL C1297
4	AC4	SOFTWARE	SER D:47 , THR D:48 , LYS D:165	BINDING SITE FOR RESIDUE CL D1296

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

Asymmetric/Biological Unit

No.	Residues
1	Lys A:272	-	Pro A:273
2	Lys B:272	-	Pro B:273
3	Lys C:272	-	Pro C:273
4	Lys D:272	-	Pro D:273

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

Asymmetric/Biological Unit (2, 8)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	DHDPS_1	PS00665	Dihydrodipicolinate synthase signature 1.	NANA_ECOLI	41-58	4	A:41-58 B:41-58 C:41-58 D:41-58
2	DHDPS_2	PS00666	Dihydrodipicolinate synthase signature 2.	NANA_ECOLI	137-167	4	A:137-167 B:137-167 C:137-167 D:137-167

(no "Exon" information available for 2WNQ)

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:299
 aligned with NANA_ECOLI | P0A6L4 from UniProtKB/Swiss-Prot  Length:297

    Alignment length:299
                              1                                                                                                                                                                                                                                                                                                        
                              |      8        18        28        38        48        58        68        78        88        98       108       118       128       138       148       158       168       178       188       198       208       218       228       238       248       258       268       278       288         
           NANA_ECOLI     - --MATNLRGVMAALLTPFDQQQALDKASLRRLVQFNIQQGIDGLYVGGSTGEAFVQSLSEREQVLEIVAEEAKGKIKLIAHVGCVSTAESQQLAASAKRYGFDAVSAVTPFYYPFSFEEHCDHYRAIIDSADGLPMVVYNIPALSGVKLTLDQINTLVTLPGVGALKQTSGDLYQMEQIRREHPDLVLYNGYDEIFASGLLAGADGGIGSTYNIMGWRYQGIVKALKEGDIQTAQKLQTECNKVIDLLIKTGVFRGLKTVLHYMDVVSVPLCRKPFGPVDEKYLPELKALAQQLMQERG 297
               SCOP domains d2wnqa_ A: automated matches                                                                                                                                                                                                                                                                                SCOP domains
               CATH domains 2wnqA00 A:-1-297 Aldolase class I                                                                                                                                                                                                                                                                           CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhh................hhhhhhhhhhhhhh......ee.....hhhhhhhhhhhhhhhhhhhhhh.....eee....hhhhhhhhhhhhhhh...eeeee.......hhhhhhhhhhhhhhhhh...eeeee.........hhhhhhhhhh......eee...hhhhhhhhhhhh....ee..hhhhh.............hhhhh.......hhhhhhh.hhhhhhhhhhhhhhhhhhhhhh.....hhhhhhhh...............hhhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------DHDPS_1           ------------------------------------------------------------------------------DHDPS_2  PDB: A:137-167        ---------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2wnq A  -1 HHHATNLRGVMAALLTPFDQQQALDKASLRRLVQFNIQQGIDGLYVGGSTGEAFVQSLSEREQVLEIVAEEAKGKIKLIAHVGCVSTAESQQLAASAKRYGFDAVSAVTPFYYPFSFEEHCDHYRAIIDSADGLPMVVYNIPALSGVKLTLDQINTLVTLPGVGALKQTSGDLYQMEQIRREHPDLVLYNGYDNIFASGLLAGADGGIGSTYNIMGWRYQGIVKALKEGDIQTAQKLQTECNKVIDLLIKTGVFRGLKTVLHYMDVVSVPLCRKPFGPVDEKYLPELKALAQQLMQERG 297
                                     8        18        28        38        48        58        68        78        88        98       108       118       128       138       148       158       168       178       188       198       208       218       228       238       248       258       268       278       288

Chain B from PDB  Type:PROTEIN  Length:294
 aligned with NANA_ECOLI | P0A6L4 from UniProtKB/Swiss-Prot  Length:297

    Alignment length:294
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272       282       292    
           NANA_ECOLI     3 TNLRGVMAALLTPFDQQQALDKASLRRLVQFNIQQGIDGLYVGGSTGEAFVQSLSEREQVLEIVAEEAKGKIKLIAHVGCVSTAESQQLAASAKRYGFDAVSAVTPFYYPFSFEEHCDHYRAIIDSADGLPMVVYNIPALSGVKLTLDQINTLVTLPGVGALKQTSGDLYQMEQIRREHPDLVLYNGYDEIFASGLLAGADGGIGSTYNIMGWRYQGIVKALKEGDIQTAQKLQTECNKVIDLLIKTGVFRGLKTVLHYMDVVSVPLCRKPFGPVDEKYLPELKALAQQLMQER 296
               SCOP domains d2wnqb_ B: automated matches                                                                                                                                                                                                                                                                           SCOP domains
               CATH domains 2wnqB00 B:3-296 Aldolase class I                                                                                                                                                                                                                                                                       CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ....................hhhhhhhhhhhhhhh.....ee.....hhhhhhhhhhhhhhhhhhhhhh.....eee....hhhhhhhhhhhhhhh...eee.........hhhhhhhhhhhhhhhhh...eeeee..........hhhhhhhhh......eee...hhhhhhhhhhhh....ee..hhhhh.............hhhhh.......hhhhhhh.hhhhhhhhhhhhhhhhhhhhhh.....hhhhhhhh...............hhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE --------------------------------------DHDPS_1           ------------------------------------------------------------------------------DHDPS_2  PDB: B:137-167        --------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 2wnq B   3 TNLRGVMAALLTPFDQQQALDKASLRRLVQFNIQQGIDGLYVGGSTGEAFVQSLSEREQVLEIVAEEAKGKIKLIAHVGCVSTAESQQLAASAKRYGFDAVSAVTPFYYPFSFEEHCDHYRAIIDSADGLPMVVYNIPALSGVKLTLDQINTLVTLPGVGALKQTSGDLYQMEQIRREHPDLVLYNGYDNIFASGLLAGADGGIGSTYNIMGWRYQGIVKALKEGDIQTAQKLQTECNKVIDLLIKTGVFRGLKTVLHYMDVVSVPLCRKPFGPVDEKYLPELKALAQQLMQER 296
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272       282       292

Chain C from PDB  Type:PROTEIN  Length:296
 aligned with NANA_ECOLI | P0A6L4 from UniProtKB/Swiss-Prot  Length:297

    Alignment length:296
                                    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      
           NANA_ECOLI     1 MATNLRGVMAALLTPFDQQQALDKASLRRLVQFNIQQGIDGLYVGGSTGEAFVQSLSEREQVLEIVAEEAKGKIKLIAHVGCVSTAESQQLAASAKRYGFDAVSAVTPFYYPFSFEEHCDHYRAIIDSADGLPMVVYNIPALSGVKLTLDQINTLVTLPGVGALKQTSGDLYQMEQIRREHPDLVLYNGYDEIFASGLLAGADGGIGSTYNIMGWRYQGIVKALKEGDIQTAQKLQTECNKVIDLLIKTGVFRGLKTVLHYMDVVSVPLCRKPFGPVDEKYLPELKALAQQLMQER 296
               SCOP domains d2wnqc_ C: automated matches                                                                                                                                                                                                                                                                             SCOP domains
               CATH domains 2wnqC00 C:1-296 Aldolase class I                                                                                                                                                                                                                                                                         CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhh................hhhhhhhhhhhhhhh.....ee.....hhhhhhhhhhhhhhhhhhhhhh.....eee....hhhhhhhhhhhhhhh...eeee........hhhhhhhhhhhhhhhhh...eeeee.........hhhhhhhhhhh.....eee...hhhhhhhhhhhh....ee..hhhhh.............hhhhh.......hhhhhhh.hhhhhhhhhhhhhhhhhhhhhh.....hhhhhhhh...............hhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------DHDPS_1           ------------------------------------------------------------------------------DHDPS_2  PDB: C:137-167        --------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2wnq C   1 HATNLRGVMAALLTPFDQQQALDKASLRRLVQFNIQQGIDGLYVGGSTGEAFVQSLSEREQVLEIVAEEAKGKIKLIAHVGCVSTAESQQLAASAKRYGFDAVSAVTPFYYPFSFEEHCDHYRAIIDSADGLPMVVYNIPALSGVKLTLDQINTLVTLPGVGALKQTSGDLYQMEQIRREHPDLVLYNGYDNIFASGLLAGADGGIGSTYNIMGWRYQGIVKALKEGDIQTAQKLQTECNKVIDLLIKTGVFRGLKTVLHYMDVVSVPLCRKPFGPVDEKYLPELKALAQQLMQER 296
                                    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

Chain D from PDB  Type:PROTEIN  Length:297
 aligned with NANA_ECOLI | P0A6L4 from UniProtKB/Swiss-Prot  Length:297

    Alignment length:297
                              1                                                                                                                                                                                                                                                                                                      
                              |      8        18        28        38        48        58        68        78        88        98       108       118       128       138       148       158       168       178       188       198       208       218       228       238       248       258       268       278       288       
           NANA_ECOLI     - --MATNLRGVMAALLTPFDQQQALDKASLRRLVQFNIQQGIDGLYVGGSTGEAFVQSLSEREQVLEIVAEEAKGKIKLIAHVGCVSTAESQQLAASAKRYGFDAVSAVTPFYYPFSFEEHCDHYRAIIDSADGLPMVVYNIPALSGVKLTLDQINTLVTLPGVGALKQTSGDLYQMEQIRREHPDLVLYNGYDEIFASGLLAGADGGIGSTYNIMGWRYQGIVKALKEGDIQTAQKLQTECNKVIDLLIKTGVFRGLKTVLHYMDVVSVPLCRKPFGPVDEKYLPELKALAQQLMQE 295
               SCOP domains d2wnqd_ D: automated matches                                                                                                                                                                                                                                                                              SCOP domains
               CATH domains 2wnqD00 D:-1-295 Aldolase class I                                                                                                                                                                                                                                                                         CATH domains
           Pfam domains (1) -----DHDPS-2wnqD01 D:4-293                                                                                                                                                                                                                                                                             -- Pfam domains (1)
           Pfam domains (2) -----DHDPS-2wnqD02 D:4-293                                                                                                                                                                                                                                                                             -- Pfam domains (2)
           Pfam domains (3) -----DHDPS-2wnqD03 D:4-293                                                                                                                                                                                                                                                                             -- Pfam domains (3)
           Pfam domains (4) -----DHDPS-2wnqD04 D:4-293                                                                                                                                                                                                                                                                             -- Pfam domains (4)
         Sec.struct. author hhhhhhhh................hhhhhhhhhhhhhhh.....ee.....hhhhhhhhhhhhhhhhhhhhhh.....eee....hhhhhhhhhhhhhhh...eee.........hhhhhhhhhhhhhhhh....ee............hhhhhhhhhhh.....ee....hhhhhhhhhhhh....ee..hhhhh.............hhhhh.......hhhhhhh.hhhhhhhhhhhhhhhhhhhhhh.....hhhhhhhh...............hhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------DHDPS_1           ------------------------------------------------------------------------------DHDPS_2  PDB: D:137-167        -------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2wnq D  -1 HHHATNLRGVMAALLTPFDQQQALDKASLRRLVQFNIQQGIDGLYVGGSTGEAFVQSLSEREQVLEIVAEEAKGKIKLIAHVGCVSTAESQQLAASAKRYGFDAVSAVTPFYYPFSFEEHCDHYRAIIDSADGLPMVVYNIPALSGVKLTLDQINTLVTLPGVGALKQTSGDLYQMEQIRREHPDLVLYNGYDNIFASGLLAGADGGIGSTYNIMGWRYQGIVKALKEGDIQTAQKLQTECNKVIDLLIKTGVFRGLKTVLHYMDVVSVPLCRKPFGPVDEKYLPELKALAQQLMQE 295
                                     8        18        28        38        48        58        68        78        88        98       108       118       128       138       148       158       168       178       188       198       208       218       228       238       248       258       268       278       288

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: TIM beta/alpha-barrel (3956)

Superfamily: Aldolase (457)

Family: Class I aldolase (182)

Protein domain: automated matches (54)

Escherichia coli [TaxId: 562] (6)

1a	d2wnqa_	A:
1b	d2wnqb_	B:
1c	d2wnqc_	C:
1d	d2wnqd_	D:

Asymmetric/Biological Unit

Classes(

)

Architectures( (-)

)

Topologies( (-)

)

Homologous Superfamilies( (-)

)

Organisms( (-)

)

Class: Alpha Beta (26913)

Architecture: Alpha-Beta Barrel (2994)

Topology: TIM Barrel (2806)

Homologous Superfamily: Aldolase class I (887)

Escherichia coli. Organism_taxid: 562. (44)

1a	2wnqB00	B:3-296
1b	2wnqC00	C:1-296
1c	2wnqD00	D:-1-295
1d	2wnqA00	A:-1-297

Asymmetric/Biological Unit

Clans(

)

Families(

)

Organisms( (-)

)

Clan: TIM_barrel (694)

Family: DHDPS (40)

Escherichia coli (strain K12) (27)

1a	DHDPS-2wnqD01	D:4-293
1b	DHDPS-2wnqD02	D:4-293
1c	DHDPS-2wnqD03	D:4-293
1d	DHDPS-2wnqD04	D:4-293

Asymmetric/Biological Unit(hide GO term definitions)

Chain A,B,C,D (NANA_ECOLI | P0A6L4)

molecular function
	GO:0008747	N-acetylneuraminate lyase activity	Catalysis of the reaction: N-acetylneuraminate = N-acetyl-D-mannosamine + pyruvate.
	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:0042802	identical protein binding	Interacting selectively and non-covalently with an identical protein or proteins.
	GO:0016829	lyase activity	Catalysis of the cleavage of C-C, C-O, C-N and other bonds by other means than by hydrolysis or oxidation, or conversely adding a group to a double bond. They differ from other enzymes in that two substrates are involved in one reaction direction, but only one in the other direction. When acting on the single substrate, a molecule is eliminated and this generates either a new double bond or a new ring.
biological process
	GO:0019262	N-acetylneuraminate catabolic process	The chemical reactions and pathways resulting in the breakdown of N-acetylneuraminate, the anion of 5-(acetylamino)-3,5-dideoxy-D-glycero-D-galacto-non-3-ulosonic acid.
	GO:0005975	carbohydrate metabolic process	The chemical reactions and pathways involving carbohydrates, any of a group of organic compounds based of the general formula Cx(H2O)y. Includes the formation of carbohydrate derivatives by the addition of a carbohydrate residue to another molecule.
	GO:0008152	metabolic process	The chemical reactions and pathways, including anabolism and catabolism, by which living organisms transform chemical substances. Metabolic processes typically transform small molecules, but also include macromolecular processes such as DNA repair and replication, and protein synthesis and degradation.
cellular component
	GO:0005737	cytoplasm	All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
	GO:0005829	cytosol	The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.

Asymmetric/Biological Unit
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	Cis Peptide Bonds
		Lys A:272 - Pro A:273	[ RasMol ]
		Lys B:272 - Pro B:273	[ RasMol ]
		Lys C:272 - Pro C:273	[ RasMol ]
		Lys D:272 - Pro D:273	[ RasMol ]

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	2wnq
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1fdy	N-ACETYLNEURAMINATE LYASE IN COMPLEX WITH HYDROXYPYRUVATE
1fdz	N-ACETYLNEURAMINATE LYASE IN COMPLEX WITH PYRUVATE VIA BOROHYDRIDE REDUCTION
1hl2	CRYSTAL STRUCTURE OF N-ACETYLNEURAMINATE LYASE FROM E. COLI MUTANT L142R IN COMPLEX WITH B-HYDROXYPYRUVATE
1nal	THE THREE-DIMENSIONAL STRUCTURE OF N- ACETYLNEURAMINATE LYASE FROM ESCHERICHIA COLI
2wkj	CRYSTAL STRUCTURE OF THE E192N MUTANT OF E .COLI N-ACETYLNEURAMINIC ACID LYASE IN COMPLEX WITH PYRUVATE AT 1.45A RESOLUTION IN SPACE GROUP P212121
2wnn	STRUCTURE OF WILD TYPE E. COLI N- ACETYLNEURAMINIC ACID LYASE IN COMPLEX WITH PYRUVATE IN SPACE GROUP P21
2wnz	STRUCTURE OF THE E192N MUTANT OF E. COLI N-ACETYLNEURAMINIC ACID LYASE IN COMPLEX WITH PYRUVATE IN SPACE GROUP P21 CRYSTAL FORM I
2wo5	STRUCTURE OF WILD TYPE E. COLI N- ACETYLNEURAMINIC ACID LYASE IN SPACE GROUP P21 CRYSTAL FORM I
2wpb	CRYSTAL STRUCTURE OF THE E192N MUTANT OF E . COLI N-ACETYLNEURAMINIC ACID LYASE IN COMPLEX WITH PYRUVATE AND THE INHIBITOR (2R ,3R)-2,3,4-TRIHYDROXY-N,N- DIPROPYLBUTANAMIDE IN SPACE GROUP P21 CRYSTAL FORM I
2wsg	STRUCTURE OF THE Y137A MUTANT OF E. COLI N-ACETYLNEURAMINIC ACID LYASE IN COMPLEX WITH PYRUVATE, N-ACETYL-D-MANNOSAMINE AND N-ACETYLNEURAMINIC ACID

Description

Compounds

Structural Features

Chains, Units

Ligands, Modified Residues, Ions (1, 4)

Sites (4, 4)

SS Bonds (0, 0)

Cis Peptide Bonds (4, 4)

Sequence-Structure Mapping

SAPs(SNPs)/Variants (0, 0)

PROSITE Motifs (2, 8)

Exons (0, 0)

Sequences/Alignments

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SCOP Domains (1, 4)

CATH Domains (1, 4)

Pfam Domains (1, 4)

Gene Ontology (9, 9)

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