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User guide |
- Analysis Programmes
- Reference Data Sets
- About DichroWeb
- About Deconvolution Algorithms
- TABLE 1: Reference Sets 1-7 and SP175
- TABLE 2: Reference Set CRYST175
- TABLE 3: Reference Set SMP180
- Secondary Structure Classifications
Reference Proteins
Table 1: Reference Sets 1-7 and SP175
This table details the reference proteins which are in each reference data set. For additional information see:
Janes, R.W. (2008) Reference Datasets Circular Dichroism and Synchrotron Radiation Circular Dichroism Spectroscopy of Proteins. in: Modern Techniques in Circular Dichroism and Synchrotron Radiation Circular Dichroism Spectroscopy (Wallace, B.A. and Janes, R.W., eds). IOS Press, 2009. ISBN-10: 1607500000
Citation details for the reference sets can be found in the references section.
Name | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 | Set 6 | Set 7 | SP175‡ |
Range (nm) | 178-260 | 178-260 | 185-240 | 190-240 | 178-260 | 185-240 | 190-240 | 175-260 |
Key |
αR αD βR βD T U | α 3/10 β T P2 U | αR αD βR βD T U | αR αD βR βD T U | α β T P2 U | αR αD βR βD T U | αR αD βR βD T U | αR αD βR βD T U |
AAMY | ![]() |
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ABNG | ![]() |
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ACY5 | ![]() |
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ACY9 | ![]() |
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ADH | ![]() |
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ADK | ![]() |
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ALDO | ![]() |
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APP | ![]() |
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APRT | ![]() |
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AVDN | ![]() |
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AZU | ![]() |
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BAMY | ![]() |
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BB2C | ![]() |
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BGAL | ![]() |
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BLAC | ![]() |
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BNJN | ![]() |
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BPTI | ![]() |
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CA1 | ![]() |
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CANH | ![]() |
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CAL | ![]() |
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CAT | ![]() |
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CER | ![]() |
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CGA | ![]() |
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CHYT | ![]() |
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CITS | ![]() |
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ColA | ![]() |
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CONA | ![]() |
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CPAS | ![]() |
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CPHY | ![]() |
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CYTC | ![]() |
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DHQ1 | ![]() |
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DHQ2 | ![]() |
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DNA1 | ![]() |
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ECOR | ![]() |
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ELAS | ![]() |
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FERD | ![]() |
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FLVD | ![]() |
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GCR | ![]() |
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GDCH | ![]() |
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GDCB | ![]() |
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GEC | ![]() |
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GFP | ![]() |
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GLOX | ![]() |
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GLUD | ![]() |
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GPB | ![]() |
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GPD | ![]() |
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GRS | ![]() |
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GSCR | ![]() |
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HAL | ![]() |
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HBN | ![]() |
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HGDC | ![]() |
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HMRT | ![]() |
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HSA | ![]() |
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IFBP | ![]() |
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IGG | ![]() |
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INSL | ![]() |
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JAC | ![]() |
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LACF | ![]() |
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LDH | ![]() |
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LEP | ![]() |
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LLEC | ![]() |
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LYSM | ![]() |
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MBH | ![]() |
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MGLB | ![]() |
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MON | ![]() |
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NMRA | ![]() |
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NUCL | ![]() |
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OVAL | ![]() |
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OVOT | ![]() |
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OX20 | ![]() |
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PAPN | ![]() |
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PARV | ![]() |
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PELC | ![]() |
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PGK | ![]() |
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PGLU | ![]() |
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PGM | ![]() |
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PLA2 | ![]() |
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PLEC | ![]() |
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PNMT | ![]() |
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PPSN | ![]() |
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PRAL | ![]() |
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PROX | ![]() |
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PYK | ![]() |
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RHD | ![]() |
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RNAS | ![]() |
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RUBR |
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SN06 | ![]() |
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SN70 | ![]() |
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STI | ![]() |
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STRP | ![]() |
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SUBA | ![]() |
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SUBB | ![]() |
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SUBN | ![]() |
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SUDS | ![]() |
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THAU | ![]() |
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T4LS | ![]() |
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THML | ![]() |
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TNF | ![]() |
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TPI | ![]() |
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TRPN |
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UBIQ | ![]() |
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† denotes that the source for this protein has the same name but a different PDB code from that used for Sets 1-7 | ||||||||
‡ All reference spectra for SP175 were recorded using a synchrotron light source |
Table 2: Reference Set CRYST175
Name : CRYST175 | Range (nm) : 175-260 | Classifications: αR αD βR βD T U | |
BGB | bovine gamma B crystallin | BGD | bovine gamma D crystallin |
BGE | bovine gamma E crystallin | E11 | bovine gamma crystallin E11 mutant |
HBB2 | human beta B2 crystallin | HGSC | human gamma S crystallin (C-terminal domain) |
HGD | human gamma D crystallin | HBB1 | human beta B1 crystallin |
HBBT | human beta B1 crystallin (truncated) | ||
Evans, P., Bateman, O.A., Slingsby, C., and Wallace, B.A. (2007) A Reference Dataset for Circular Dichroism Spectroscopy Tailored for the βB2-Crystallin Lens Proteins. Experimental Eye Research 84 1001-1008. |
Table 3: Reference Set SMP180
Name : SMP180 | Range (nm) : 180-240 | Classifications: αR αD βR βD T U | |||
SMP180 includes all the proteins of SP175 plus the proteins which have these PDB codes: | |||||
1qhj | 1kpk | 2cfq | 2nu9 | 2nop | 1hzx |
1l7v | 1rh5 | 2dyr | 1j95 | 2oar | 2gif |
1pcr | 2wjn | 1be3 | 1t5s | 1nek | 1xl4 |
2j58 | 3jqo | 1uyn | 1a0s | 1fcp | 1fep |
1nqh | 2vdf | 2iwv | 1h2s | 2a65 | 1nkz |
1hml | 1gai | 2hav | 1t4b | 2j0x | 1azu |
2rhe | 2rhe | 1k9b | 1xag | 5dfr | 2nwe |
1ies | 2j41 | 1a8e | 1xag | 1wnh | 2ox0 |
1bn8 | 2pab | 1kit | 1hk9 | 1jpc | 2sns |
2j51 | 1sfl | 9wga | 2gel | ||
A Reference Dataset for the Analyses of Membrane Protein Secondary Structures and Transmembrane Residues using Circular Dichroism Spectroscopy. Ali Abdul-Gader, Andrew John Miles and B.A. Wallace (2011) Bioinformatics 27 1630-6. |
Secondary Structure Classifications
For the algorithms that accept selectable reference sets, the output that they give is defined by the secondary structure classifications of the reference data. Selection of a reference set is thus made by a consideration of what type of secondary structure definitions are desired and the range of data that is available (310 and Polyproline II helix can only be analysed for with larger wavelength ranges).
The majority of output is given in terms of a 6 classification output devised
by Woody and co-workers. For a full description of the classifications see: Sreerema, N., Venyaminov, S.Y., and Woody, R.W. (1999) Estimation of the number of helical and strand segments in proteins using CD spectroscopy. Protein Sci. 8, 370-380. |
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αR | Alpha helix, regular (helix 1) | |
αD | Alpha helix, distorted (helix 2) | |
βR | Beta sheet, regular (sheet 1) | |
βD | Beta sheet, distorted (sheet 2) | |
T | Turns | |
U | Unordered |
Reference Sets 2 and 5 have different secondary structure definitions and may be used to analyse for 310 helix (SET 2 only) and polyproline II helix. Sets 2 and 5 require data to cover the range 178-260nm. | ||
α | Alpha helix | |
β | Beta sheet | |
3/10 | 310 helix (SET 2 only) | |
P2 | Polyproline II helix | |
T | Turns | |
U | Unordered |