1QQD		date
authors
compound		source
symmetry		R_factor R_Free
crystal cell	length a length b length c angle alpha angle beta angle gamma
method	X-Ray Diffraction	resolution
related structures	by homologous chain: 1CG9, 1ZHB
Gene Ontology	Chain Function Process Component B
Primary reference	Structure of human histocompatibility leukocyte antigen (HLA)-Cw4, a ligand for the KIR2D natural killer cell inhibitory receptor., Fan QR, Wiley DC, J Exp Med 1999 Jul 5;190(1):113-23. PMID:10429675

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (68 Kb) [Save to disk] Biological Unit Coordinates (1qqd.pdb1.gz) 64 Kb CSU: Contacts of Structural Units for 1QQD Likely Quarternary Molecular Structure file(s) for 1QQD Structure Factors (99 Kb) Retrieve 1QQD in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1QQD from S2C, [Save to disk] Re-refined 1qqd structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1QQD 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.

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1qqd] [1qqd_A] [1qqd_B] [1qqd_C] SWISS-PROT database: [P30504] [P61769] Domain found in 1QQD: [IGc1 ] by SMART

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