1UN4		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
ligand	CIT	enzyme
related structures	by homologous chain: 1GV7, 1H52
Gene Ontology	Chain Function Process Component A nuclease activity endonuclease activity ribonuclease activity nucleus
Primary reference	Crystallographic studies on structural features that determine the enzymatic specificity and potency of human angiogenin: Thr44, Thr80, and residues 38-41., Holloway DE, Chavali GB, Hares MC, Baker MD, Subbarao GV, Shapiro R, Acharya KR, Biochemistry. 2004 Feb 10;43(5):1230-41. PMID:14756559

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (26 Kb) [Save to disk] Biological Unit Coordinates (1un4.pdb1.gz) 20 Kb LPC: Ligand-Protein Contacts for 1UN4 CSU: Contacts of Structural Units for 1UN4 Likely Quarternary Molecular Structure file(s) for 1UN4 Retrieve 1UN4 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1UN4 from S2C, [Save to disk]

View 1UN4 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: [1un4] [1un4_A] SWISS-PROT database: [P03950] Domain found in 1UN4: [RNAse_Pc ] by SMART

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