2A74		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	GOL, NDG, NO3	enzyme
Gene Ontology	Chain Function Process Component D, A E, B F, C
Primary reference	Structures of complement component C3 provide insights into the function and evolution of immunity., Janssen BJ, Huizinga EG, Raaijmakers HC, Roos A, Daha MR, Nilsson-Ekdahl K, Nilsson B, Gros P, Nature. 2005 Sep 22;437(7058):505-11. PMID:16177781

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (373 Kb) [Save to disk] Biological Unit Coordinates (2a74.pdb1.gz) 184 Kb Biological Unit Coordinates (2a74.pdb2.gz) 184 Kb LPC: Ligand-Protein Contacts for 2A74 CSU: Contacts of Structural Units for 2A74 Likely Quarternary Molecular Structure file(s) for 2A74 Structure Factors (924 Kb) Retrieve 2A74 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2A74 from S2C, [Save to disk] Re-refined 2a74 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2A74 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: [2a74_E] [2a74_F] [2a74] [2a74_A] [2a74_B] [2a74_C] [2a74_D] SWISS-PROT database: [P01024] Domains found in 2A74: [A2M] [A2M_N_2] [A2M_recep] [C345C ] by SMART

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