1Q9L	Immune System	date	Aug 25, 2003
title	S25-2 Fab Unliganded 2
authors	H.P.Nguyen, N.O.Seto, C.R.Mackenzie, L.Brade, P.Kosma, H.Brade, S.
compound		source
Molecule: S25-2 Fab (Igg1k) Heavy Chain Chain: B, D Fragment: Fab Heavy Chain G1		Organism_scientific: Mus Musculus Organism_common: House Mouse Organism_taxid: 10090
Molecule: S25-2 Fab (Igg1k) Light Chain Chain: A, C Fragment: Fab Light Chain Kappa		Organism_scientific: Mus Musculus Organism_common: House Mouse Organism_taxid: 10090
symmetry	Space Group: P 21 21 21	R_factor 0.216 R_Free 0.286
crystal cell	length a length b length c angle alpha angle beta angle gamma 84.700 96.000 114.200 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.28 Å
ligand	MG, ZN	enzyme
related structures	by homologous chain: 1DN0, 1QBL, 1TET
Primary reference	Germline antibody recognition of distinct carbohydrate epitopes., Nguyen HP, Seto NO, MacKenzie CR, Brade L, Kosma P, Brade H, Evans SV, Nat Struct Biol 2003 Dec;10(12):1019-25. Epub 2003 Nov 16. PMID:14625588

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (151 Kb) [Save to disk] Biological Unit Coordinates (1q9l.pdb1.gz) 75 Kb Biological Unit Coordinates (1q9l.pdb2.gz) 74 Kb Biological Unit Coordinates (1q9l.pdb3.gz) 145 Kb LPC: Ligand-Protein Contacts for 1Q9L CSU: Contacts of Structural Units for 1Q9L Likely Quarternary Molecular Structure file(s) for 1Q9L Structure Factors (289 Kb) Retrieve 1Q9L in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1Q9L from S2C, [Save to disk] Re-refined 1q9l structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1Q9L 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 1Q9L

Ramachandran plot from PDBSum

Structure-derived information

Electron Density related parameters from EDS Electron Density Server, at Upsala Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1Q9L, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1q9la1, region A:1-107 [Jmol] [rasmolscript] [script source]     - Domain d1q9la2, region A:108-213 [Jmol] [rasmolscript] [script source]     - Domain d1q9lb1, region B:1-111 [Jmol] [rasmolscript] [script source]     - Domain d1q9lb2, region B:112-211 [Jmol] [rasmolscript] [script source]     - Domain d1q9lc1, region C:1-107 [Jmol] [rasmolscript] [script source]     - Domain d1q9lc2, region C:108-213 [Jmol] [rasmolscript] [script source]     - Domain d1q9ld1, region D:1-111 [Jmol] [rasmolscript] [script source]     - Domain d1q9ld2, region D:112-211 [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: [1q9l_C] [1q9l_D] [1q9l_B] [1q9l] [1q9l_A] SWISS-PROT database: Domain organization of by SWISSPFAM Domains found in 1Q9L: [IG_like] [IGv ] by SMART

Other resources with information on 1Q9L

Community annotation for 1Q9L at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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