1JSI	Viral Protein	date	Aug 17, 2001
title	Crystal Structure Of H9 Haemagglutinin Bound To Lstc Recepto
authors	Y.Ha, D.J.Stevens, J.J.Skehel, D.C.Wiley
compound		source
Molecule: Haemagglutinin (Ha1 Chain) Chain: A Fragment: Residues 1-319 Other_details: Auto Cleaved Fragment Of N-Terminus		Organism_scientific: Influenza A Virus (Aswinehong Kong998(H9n2)); Organism_taxid: 145307 Strain: Aswinehong Kong998
Molecule: Haemagglutinin (Ha2 Chain) Chain: B Fragment: Residues 1-176 Other_details: Auto Cleaved Fragment Of C-Terminus		Organism_scientific: Influenza A Virus (Aswinehong Kong998(H9n2)); Organism_taxid: 145307 Strain: Aswinehong Kong998
symmetry	Space Group: P 63	R_factor 0.202 R_Free 0.235
crystal cell	length a length b length c angle alpha angle beta angle gamma 108.577 108.577 149.409 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.40 Å
ligand	GAL, GLC, NAG, SIA	enzyme
related structures	by homologous chain: 1JSH, 1JSO
Gene Ontology	Chain Function Process Component A B
Primary reference	X-ray structures of H5 avian and H9 swine influenza virus hemagglutinins bound to avian and human receptor analogs., Ha Y, Stevens DJ, Skehel JJ, Wiley DC, Proc Natl Acad Sci U S A 2001 Sep 25;98(20):11181-6. PMID:11562490

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (87 Kb) [Save to disk] Biological Unit Coordinates (1jsi.pdb1.gz) 81 Kb Biological Unit Coordinates (1jsi.pdb2.gz) 240 Kb LPC: Ligand-Protein Contacts for 1JSI CSU: Contacts of Structural Units for 1JSI Likely Quarternary Molecular Structure file(s) for 1JSI Retrieve 1JSI in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1JSI from S2C, [Save to disk]

View 1JSI 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 1JSI

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1JSI, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1jsia_, region A [Jmol] [rasmolscript] [script source]     - Domain d1jsib_, region B [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: [1jsi_A] [1jsi_B] [1jsi] SWISS-PROT database: [Q91CD4] Domain organization of [Q91CD4_9INFA] by SWISSPFAM

Other resources with information on 1JSI

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

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