1SYS		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: 1Q94, 1QR1
Gene Ontology	Chain Function Process Component B cellular response to iron io...
Primary reference	Natural HLA class I polymorphism controls the pathway of antigen presentation and susceptibility to viral evasion., Zernich D, Purcell AW, Macdonald WA, Kjer-Nielsen L, Ely LK, Laham N, Crockford T, Mifsud NA, Bharadwaj M, Chang L, Tait BD, Holdsworth R, Brooks AG, Bottomley SP, Beddoe T, Peh CA, Rossjohn J, McCluskey J, J Exp Med 2004 Jul 5;200(1):13-24. Epub 2004 Jun 28. PMID:15226359

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (71 Kb) [Save to disk] Biological Unit Coordinates (1sys.pdb1.gz) 67 Kb CSU: Contacts of Structural Units for 1SYS Likely Quarternary Molecular Structure file(s) for 1SYS Retrieve 1SYS in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1SYS from S2C, [Save to disk]

View 1SYS 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: [1sys] [1sys_B] [1sys_A] [1sys_C] SWISS-PROT database: [P30481] [P61769] [Q9Y5X3] Domain found in 1SYS: [IGc1 ] by SMART

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