1DF8	Binding Protein	date	Nov 18, 1999
title	S45a Mutant Of Streptavidin In Complex With Biotin
authors	D.E.Hyre, I.Le Trong, S.Freitag, R.E.Stenkamp, P.S.Stayton
compound		source
Molecule: Protein (Streptavidin) Chain: A, B Fragment: Core, Residues 13-139 Synonym: Core Streptavidin Engineered: Yes Mutation: Yes		Organism_scientific: Streptomyces Avidinii Organism_taxid: 1895 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: T7 Expression_system_vector: Pet-21
symmetry	Space Group: I 2 2 2	R_factor R_Free
crystal cell	length a length b length c angle alpha angle beta angle gamma 46.200 93.900 104.600 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.51 Å
ligand	BTN BindingDB	enzyme
related structures	by homologous chain: 1N9Y, 2RTC
Gene Ontology	Chain Function Process Component A, B
Primary reference	Ser45 plays an important role in managing both the equilibrium and transition state energetics of the streptavidin-biotin system., Hyre DE, Le Trong I, Freitag S, Stenkamp RE, Stayton PS, Protein Sci 2000 May;9(5):878-85. PMID:10850797

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (48 Kb) [Save to disk] Biological Unit Coordinates (1df8.pdb1.gz) 85 Kb Biological Unit Coordinates (1df8.pdb2.gz) 170 Kb LPC: Ligand-Protein Contacts for 1DF8 CSU: Contacts of Structural Units for 1DF8 Likely Quarternary Molecular Structure file(s) for 1DF8 Structure Factors (320 Kb) Retrieve 1DF8 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1DF8 from S2C, [Save to disk] Re-refined 1df8 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1DF8 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 1DF8

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 1DF8, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1df8a_, region A [Jmol] [rasmolscript] [script source]     - Domain d1df8b_, region B [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: [1df8_B] [1df8_A] [1df8] SWISS-PROT database: [P22629] Domain organization of [SAV_STRAV] by SWISSPFAM

Other resources with information on 1DF8

Community annotation for 1DF8 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

Movements, Movies and Images

Images from IMB Jena Image Library of Biological Macromolecules.

You may enter another PDB ID code

Go [Back], to the [PDB Lite page], to the [OCA Search page] or to the [PDB Home page]

---

OCA© by Jaime Prilusky, 1996-2014,2022 Bioinformatics Unit Weizmann Institute of Science

---