1A4Y		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: 1B1J, 1HBY, 2BEX, 2BNH
Gene Ontology	Chain Function Process Component A, D ribonuclease inhibitor activ... E, B nuclease activity endonuclease activity ribonuclease activity nucleus
Primary reference	Molecular recognition of human angiogenin by placental ribonuclease inhibitor--an X-ray crystallographic study at 2.0 A resolution., Papageorgiou AC, Shapiro R, Acharya KR, EMBO J 1997 Sep 1;16(17):5162-77. PMID:9311977

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (181 Kb) [Save to disk] Biological Unit Coordinates (1a4y.pdb1.gz) 176 Kb CSU: Contacts of Structural Units for 1A4Y Likely Quarternary Molecular Structure file(s) for 1A4Y Retrieve 1A4Y in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1A4Y from S2C, [Save to disk]

View 1A4Y 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: [1a4y] [1a4y_A] [1a4y_B] [1a4y_D] [1a4y_E] SWISS-PROT database: [P03950] [P13489] Domains found in 1A4Y: [LRR] [LRR_RI] [RNAse_Pc ] by SMART

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