1NCD	Hydrolase(O-Glycosyl)	date	Jan 21, 1992
title	Refined Crystal Structure Of The Influenza Virus N9 Neuramin Fab Complex
authors	W.R.Tulip, J.N.Varghese, P.M.Colman
compound		source
Molecule: Influenza A Subtype N9 Neuraminidase Chain: N Ec: 3.2.1.18		Organism_scientific: Influenza A Virus Organism_taxid: 11484 Strain: (Awhalemaine184(H13n9))
Molecule: Igg2a-Kappa Nc41 Fab (Light Chain) Chain: L		Organism_scientific: Mus Musculus Organism_common: House Mouse Organism_taxid: 10090
Molecule: Igg2a-Kappa Nc41 Fab (Heavy Chain) Chain: H		Organism_scientific: Mus Musculus Organism_common: House Mouse Organism_taxid: 10090
symmetry	Space Group: P 4 21 2	R_factor 0.157 R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 167.000 167.000 124.000 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.90 Å
ligand	BMA, CA, MAN, NAG	enzyme	Hydrolase E.C.3.2.1.18 BRENDA
related structures	by homologous chain: 1BVL, 1CU4, 1JNH, 1NMA, 1XOG
Gene Ontology	Chain Function Process Component N
Primary reference	Refined crystal structure of the influenza virus N9 neuraminidase-NC41 Fab complex., Tulip WR, Varghese JN, Laver WG, Webster RG, Colman PM, J Mol Biol 1992 Sep 5;227(1):122-48. PMID:1381757

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (139 Kb) [Save to disk] Biological Unit Coordinates (1ncd.pdb1.gz) 515 Kb LPC: Ligand-Protein Contacts for 1NCD CSU: Contacts of Structural Units for 1NCD Likely Quarternary Molecular Structure file(s) for 1NCD Structure Factors (428 Kb) Retrieve 1NCD in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1NCD from S2C, [Save to disk] Re-refined 1ncd structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1NCD in 3D

Proteopedia, because life has more than 2D. On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure. On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.

Visual 3D analysis of 1NCD

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1NCD, from MSDmotif at EBI Genome occurence of 1NCD's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1ncdh1, region H:1-113 [Jmol] [rasmolscript] [script source]     - Domain d1ncdh2, region H:114-227 [Jmol] [rasmolscript] [script source]     - Domain d1ncdl1, region L:1-108 [Jmol] [rasmolscript] [script source]     - Domain d1ncdl2, region L:109-214 [Jmol] [rasmolscript] [script source]     - Domain d1ncdn_, region N [Jmol] [rasmolscript] [script source] Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH Summaries and structural analyses of PDB data files from PDBSum Identification of Protein Pockets & Cavities at CASTp

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1ncd_H] [1ncd] [1ncd_L] [1ncd_N] SWISS-PROT database: [P01865] [P05803] Domain organization of [GCAM_MOUSE] [NRAM_I84A1] by SWISSPFAM Domains found in 1NCD: [IG_like] [IGv ] by SMART

Other resources with information on 1NCD

Community annotation for 1NCD at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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