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Title :   A SIALIC ACID DERIVED PHOSPHONATE ANALOG INHIBITS DIFFERENT STRAINS OF INFLUENZA VIRUS NEURAMINIDASE WITH DIFFERENT EFFICIENCIES

Authors :   C. L. White, M. N. Janakiraman, W. G. Laver, C. Philippon, A. Vasella, G. M. Luo

Date :   26 Sep 94 (Deposition) - 07 Feb 95 (Release) - 13 Jul 11 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   2.40

Chains :   Asym./Biol. Unit : A

Keywords :   Hydrolase, O-Glycosyl, Neuraminidase, Sialidase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   C. L. White, M. N. Janakiraman, W. G. Laver, C. Philippon, A. Vasella, G. M. Air, M. Luo
A Sialic Acid-Derived Phosphonate Analog Inhibits Different Strains Of Influenza Virus Neuraminidase With Different Efficiencies.
J. Mol. Biol. V. 245 623 1995
PubMed-ID: 7844831 | Reference-DOI: 10.1006/JMBI.1994.0051
(for further references see the PDB file header)

Compounds

Structural Features

Chains, Units

Ligands, Modified Residues, Ions (5, 10)

Sites (11, 11)

Asymmetric Unit (11, 11)

No.	Name	Evidence	Residues	Description
01	AC1	SOFTWARE	GLU A:83 , ASN A:86 , SER A:88 , TYR A:284 , NAG A:477A	BINDING SITE FOR RESIDUE NAG A 470A
02	AC2	SOFTWARE	ASN A:146 , TRP A:437	BINDING SITE FOR RESIDUE NAG A 471A
03	AC3	SOFTWARE	ASN A:200 , NAG A:473B	BINDING SITE FOR RESIDUE NAG A 472A
04	AC4	SOFTWARE	NAG A:472A , BMA A:474C	BINDING SITE FOR RESIDUE NAG A 473B
05	AC5	SOFTWARE	NAG A:473B , MAN A:475D , MAN A:476F	BINDING SITE FOR RESIDUE BMA A 474C
06	AC6	SOFTWARE	BMA A:474C	BINDING SITE FOR RESIDUE MAN A 475D
07	AC7	SOFTWARE	BMA A:474C	BINDING SITE FOR RESIDUE MAN A 476F
08	AC8	SOFTWARE	ASN A:234 , TYR A:284 , PRO A:285 , NAG A:470A	BINDING SITE FOR RESIDUE NAG A 477A
09	AC9	SOFTWARE	ASP A:293 , GLY A:297 , ASP A:324 , GLY A:345 , GLN A:347	BINDING SITE FOR RESIDUE CA A 478
10	BC1	SOFTWARE	ARG A:118 , ASP A:151 , ARG A:152 , ARG A:224 , ALA A:246 , GLU A:276 , ARG A:292 , ARG A:371 , TYR A:406 , HOH A:569 , HOH A:576	BINDING SITE FOR RESIDUE EQP A 500
11	CAT	AUTHOR	ARG A:118 , GLU A:119 , ASP A:151 , ARG A:152 , TRP A:178 , ILE A:222 , ARG A:224 , GLU A:276 , ARG A:292 , ARG A:371 , TYR A:406	SUBSTRATE (SIALIC ACID) BINDING RESIDUES IN CATALYTIC SITE

SS Bonds (9, 9)

Cis Peptide Bonds (2, 2)

Sequence-Structure Mapping

SAPs(SNPs)/Variants (0, 0)

PROSITE Motifs (0, 0)

Exons (0, 0)

Sequences/Alignments

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
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Chain A from PDB  Type:PROTEIN  Length:388
 aligned with NRAM_I67A0 | P06820 from UniProtKB/Swiss-Prot  Length:469

    Alignment length:388
                                    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       371       381       391       401       411       421       431       441       451       461        
           NRAM_I67A0    82 VEYRNWSKPQCQITGFAPFSKDNSIRLSAGGDIWVTREPYVSCDPVKCYQFALGQGTTLDNKHSNDTVHDRIPHRTLLMNELGVPFHLGTRQVCIAWSSSSCHDGKAWLHVCITGDDKNATASFIYDGRLVDSIGSWSQNILRTQESECVCINGTCTVVMTDGSASGRADTRILFIEEGKIVHISPLAGSAQHVEECSCYPRYPGVRCICRDNWKGSNRPVVDINMEDYSIDSSYVCSGLVGDTPRNDDRSSNSNCRNPNNERGTQGVKGWAFDNGNDLWMGRTISKDLRSGYETFKVIGGWSTPNSKSQINRQVIVDSDNRSGYSGIFSVEGKSCINRCFYVELIRGRKQETRVWWTSNSIVVFCGTSGTYGTGSWPDGANINFMPI 469
               SCOP domains d1inxa_ A: Influenza neuraminidase                                                                                                                                                                                                                                                                                                                                                                   SCOP domains
               CATH domains 1inxA00 A:82-469  [code=2.120.10.10, no name defined]                                                                                                                                                                                                                                                                                                                                                CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..............eeeeeee.hhhhhhh....eeeeeeeeee....eeeeeeeeeee..hhhhh..........eeeeee.........eeeee..eeeeee....eeeeeeeee..eeeeeeee..eeeeeee.......ee.....eee..eeeeeeeee.....eeeeeeeee..eeeeeee........eeeeeeee..eeeeeee........eeeeee.....eeeee....................................eeee..eeeeee.......eeeeeeeee.........eeeeeeeeeeeeee...eeeeeee....eeeeeeeeeeee.........eeeeeeeeeee.................... Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1inx A  82 VEYRNWSKPQCQITGFAPFSKDNSIRLSAGGDIWVTREPYVSCDPVKCYQFALGQGTTLDNKHSNDTVHDRIPHRTLLMNELGVPFHLGTRQVCIAWSSSSCHDGKAWLHVCITGDDKNATASFIYDGRLVDSIGSWSQNILRTQESECVCINGTCTVVMTDGSASGRADTRILFIEEGKIVHISPLAGSAQHVEECSCYPRYPGVRCICRDNWKGSNRPVVDINMEDYSIDSSYVCSGLVGDTPRNDDRSSNSNCRDPNNERGTQGVKGWAFDNGNDLWMGRTISKDLRSGYETFKVIGGWSTPNSKSQINRQVIVDSDNRSGYSGIFSVEGKSCINRCFYVELIRGRKQETRVWWTSNSIVVFCGTSGTYGTGSWPDGANINFMPI 469
                                    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       371       381       391       401       411       421       431       441       451       461

Legend:		→ Mismatch	(orange background)
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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 '\|'

Classification and Annotation

SCOP Domains (1, 1)

CATH Domains (1, 1)

Pfam Domains (0, 0)

Gene Ontology (15, 15)

Asymmetric/Biological Unit(hide GO term definitions)

Chain A (NRAM_I67A0 | P06820)

molecular function
	GO:0052794	exo-alpha-(2->3)-sialidase activity	Catalysis of the hydrolysis of alpha-(2->3)-glycosidic linkages of terminal sialic residues in substrates.
	GO:0052795	exo-alpha-(2->6)-sialidase activity	Catalysis of the hydrolysis of alpha-(2->6)-glycosidic linkages of terminal sialic residues in substrates.
	GO:0052796	exo-alpha-(2->8)-sialidase activity	Catalysis of the hydrolysis of alpha-(2->8)-glycosidic linkages of terminal sialic residues in substrates.
	GO:0004308	exo-alpha-sialidase activity	Catalysis of the hydrolysis of alpha-(2->3)-, alpha-(2->6)-, alpha-(2->8)-glycosidic linkages of terminal sialic residues in oligosaccharides, glycoproteins, glycolipids, colominic acid and synthetic substrates.
	GO:0016787	hydrolase activity	Catalysis of the hydrolysis of various bonds, e.g. C-O, C-N, C-C, phosphoric anhydride bonds, etc. Hydrolase is the systematic name for any enzyme of EC class 3.
	GO:0016798	hydrolase activity, acting on glycosyl bonds	Catalysis of the hydrolysis of any glycosyl bond.
	GO:0046872	metal ion binding	Interacting selectively and non-covalently with any metal ion.
biological process
	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:0033644	host cell membrane	Double layer of lipid molecules as it encloses host cells, and, in eukaryotes, many organelles; may be a single or double lipid bilayer; also includes associated proteins. The host is defined as the larger of the organisms involved in a symbiotic interaction.
	GO:0020002	host cell plasma membrane	The plasma membrane surrounding a host cell.
	GO:0016021	integral component of membrane	The component of a membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
	GO:0016020	membrane	A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
	GO:0019012	virion	The complete fully infectious extracellular virus particle.
	GO:0055036	virion membrane	The lipid bilayer surrounding a virion.

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