1MEL	Complex (Antibody Antigen)	date	Jun 06, 1996
title	Crystal Structure Of A Camel Single-Domain Vh Antibody Fragm Complex With Lysozyme
authors	A.Desmyter, T.R.Transue, M.Arbabi Gharoudi, M.Dao Thi, F.Poortma R.Hamers, S.Muyldermans, L.Wyns
compound		source
Molecule: Vh Single-Domain Antibody Chain: A, B Synonym: Cab-Lys3 Complex Engineered: Yes		Organism_scientific: Camelus Dromedarius Organism_common: Arabian Camel Organism_taxid: 9838 Gene: Antibody Vh Fragment Cab-Lys3 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_plasmid: Phen4
Molecule: Lysozyme Chain: L, M Ec: 3.2.1.17 Engineered: Yes		Organism_scientific: Gallus Gallus Organism_common: Chicken Organism_taxid: 9031 Tissue: Egg Gene: Antibody Vh Fragment Cab-Lys3 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_plasmid: Phen4 Other_details: Purchased From Boehringer Mannheim
symmetry	Space Group: P 21 21 21	R_factor 0.221 R_Free 0.323
crystal cell	length a length b length c angle alpha angle beta angle gamma 68.680 69.710 113.680 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.50 Å
ligand		enzyme	Hydrolase E.C.3.2.1.17 BRENDA
note	1MEL (Molecule of the Month:pdb136)
related structures	by homologous chain: 1BQL, 1CLY, 1QD0, 3LZ2
Gene Ontology	Chain Function Process Component M, L
Primary reference	Crystal structure of a camel single-domain VH antibody fragment in complex with lysozyme., Desmyter A, Transue TR, Ghahroudi MA, Thi MH, Poortmans F, Hamers R, Muyldermans S, Wyns L, Nat Struct Biol 1996 Sep;3(9):803-11. PMID:8784355

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (82 Kb) [Save to disk] Biological Unit Coordinates (1mel.pdb1.gz) 40 Kb Biological Unit Coordinates (1mel.pdb2.gz) 40 Kb CSU: Contacts of Structural Units for 1MEL Likely Quarternary Molecular Structure file(s) for 1MEL Structure Factors (187 Kb) Retrieve 1MEL in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1MEL from S2C, [Save to disk] Re-refined 1mel structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1MEL 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.

Visual 3D analysis of 1MEL

Ramachandran plot from PDBSum

Structure-derived information

Electron Density related parameters from EDS Electron Density Server, at Upsala Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1MEL, from MSDmotif at EBI Genome occurence of 1MEL's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1mela_, region A [Jmol] [rasmolscript] [script source]     - Domain d1melb_, region B [Jmol] [rasmolscript] [script source]     - Domain d1mell_, region L [Jmol] [rasmolscript] [script source]     - Domain d1melm_, region M [Jmol] [rasmolscript] [script source] Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH Summaries and structural analyses of PDB data files from PDBSum Identification of Protein Pockets & Cavities at CASTp

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1mel] [1mel_B] [1mel_L] [1mel_A] [1mel_M] SWISS-PROT database: [P00698] Domain organization of [LYSC_CHICK] by SWISSPFAM Domains found in 1MEL: [IGv] [LYZ1 ] by SMART

Other resources with information on 1MEL

Community annotation for 1MEL at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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