1HN1	Hydrolase	date	Dec 05, 2000
title	E. Coli (Lac Z) Beta-Galactosidase (Orthorhombic)
authors	D.H.Juers, B.W.Matthews
compound		source
Molecule: Beta-Galactosidase Chain: A, B, C, D Ec: 3.1.2.23 Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Gene: Lac Z Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Jm109 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet15b
symmetry	Space Group: P 21 21 21	R_factor 0.148 R_Free 0.299
crystal cell	length a length b length c angle alpha angle beta angle gamma 153.900 171.400 204.500 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	3.00 Å
ligand	MG, NA	enzyme	Hydrolase E.C.3.1.2.23 BRENDA
related structures	by homologous chain: 1F4A
Gene Ontology	Chain Function Process Component A, D, C, B
Primary reference	Reversible lattice repacking illustrates the temperature dependence of macromolecular interactions., Juers DH, Matthews BW, J Mol Biol 2001 Aug 24;311(4):851-62. PMID:11518535

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (664 Kb) [Save to disk] Biological Unit Coordinates (1hn1.pdb1.gz) 657 Kb LPC: Ligand-Protein Contacts for 1HN1 CSU: Contacts of Structural Units for 1HN1 Likely Quarternary Molecular Structure file(s) for 1HN1 Structure Factors (795 Kb) Retrieve 1HN1 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1HN1 from S2C, [Save to disk] Re-refined 1hn1 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1HN1 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 1HN1

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 1HN1, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1hn1a3, region A:13-219 [Jmol] [rasmolscript] [script source]     - Domain d1hn1a1, region A:220-333 [Jmol] [rasmolscript] [script source]     - Domain d1hn1a5, region A:334-625 [Jmol] [rasmolscript] [script source]     - Domain d1hn1a2, region A:626-730 [Jmol] [rasmolscript] [script source]     - Domain d1hn1a4, region A:731-1023 [Jmol] [rasmolscript] [script source]     - Domain d1hn1b3, region B:13-219 [Jmol] [rasmolscript] [script source]     - Domain d1hn1b1, region B:220-333 [Jmol] [rasmolscript] [script source]     - Domain d1hn1b5, region B:334-625 [Jmol] [rasmolscript] [script source]     - Domain d1hn1b2, region B:626-730 [Jmol] [rasmolscript] [script source]     - Domain d1hn1b4, region B:731-1023 [Jmol] [rasmolscript] [script source]     - Domain d1hn1c3, region C:13-219 [Jmol] [rasmolscript] [script source]     - Domain d1hn1c1, region C:220-333 [Jmol] [rasmolscript] [script source]     - Domain d1hn1c5, region C:334-625 [Jmol] [rasmolscript] [script source]     - Domain d1hn1c2, region C:626-730 [Jmol] [rasmolscript] [script source]     - Domain d1hn1c4, region C:731-1023 [Jmol] [rasmolscript] [script source]     - Domain d1hn1d3, region D:13-219 [Jmol] [rasmolscript] [script source]     - Domain d1hn1d1, region D:220-333 [Jmol] [rasmolscript] [script source]     - Domain d1hn1d5, region D:334-625 [Jmol] [rasmolscript] [script source]     - Domain d1hn1d2, region D:626-730 [Jmol] [rasmolscript] [script source]     - Domain d1hn1d4, region D:731-1023 [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: [1hn1_C] [1hn1_D] [1hn1] [1hn1_B] [1hn1_A] SWISS-PROT database: [P00722] Domain organization of [BGAL_ECOLI] by SWISSPFAM Domain found in 1HN1: [Bgal_small_N ] by SMART

Other resources with information on 1HN1

Community annotation for 1HN1 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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