Scimago Journal & Country Rank

Protein and Peptide Letters

Country

Netherlands

Universities and research institutions in Netherlands

Subject Area and Category

Publisher

Bentham Science Publishers B.V.

H-Index

61

Publication type

Journals

ISSN

09298665, 18755305

Coverage

1994-2021

Information

Homepage

How to publish in this journal

Scope

Protein & Peptide Letters publishes letters, original research papers, mini-reviews and guest edited issues in all important aspects of protein and peptide research, including structural studies, advances in recombinant expression, function, synthesis, enzymology, immunology, molecular modeling, and drug design. Manuscripts must have a significant element of novelty, timeliness and urgency that merit rapid publication. Reports of crystallization and preliminary structure determination of biologically important proteins are considered only if they include significant new approaches or deal with proteins of immediate importance, and preliminary structure determinations of biologically important proteins. Purely theoretical/review papers should provide new insight into the principles of protein/peptide structure and function. Manuscripts describing computational work should include some experimental data to provide confirmation of the results of calculations. Protein & Peptide Letters focuses on: Structure Studies Advances in Recombinant Expression Drug Design Chemical Synthesis Function Pharmacology Enzymology Conformational Analysis Immunology Biotechnology Protein Engineering Protein Folding Sequencing Molecular Recognition Purification and Analysis. Join the conversation about this journal
Quartiles

The set of journals have been ranked according to their SJR and divided into four equal groups, four quartiles. Q1 (green) comprises the quarter of the journals with the highest values, Q2 (yellow) the second highest values, Q3 (orange) the third highest values and Q4 (red) the lowest values.

CategoryYearQuartile
Biochemistry1999Q4
Biochemistry2000Q3
Biochemistry2001Q4
Biochemistry2002Q4
Biochemistry2003Q4
Biochemistry2004Q4
Biochemistry2005Q3
Biochemistry2006Q3
Biochemistry2007Q3
Biochemistry2008Q3
Biochemistry2009Q3
Biochemistry2010Q3
Biochemistry2011Q3
Biochemistry2012Q3
Biochemistry2013Q3
Biochemistry2014Q3
Biochemistry2015Q3
Biochemistry2016Q3
Biochemistry2017Q3
Biochemistry2018Q3
Biochemistry2019Q3
Biochemistry2020Q3
Biochemistry2021Q3
Medicine (miscellaneous)1999Q2
Medicine (miscellaneous)2000Q2
Medicine (miscellaneous)2001Q2
Medicine (miscellaneous)2002Q2
Medicine (miscellaneous)2003Q2
Medicine (miscellaneous)2004Q2
Medicine (miscellaneous)2005Q2
Medicine (miscellaneous)2006Q2
Medicine (miscellaneous)2007Q2
Medicine (miscellaneous)2008Q2
Medicine (miscellaneous)2009Q2
Medicine (miscellaneous)2010Q2
Medicine (miscellaneous)2011Q2
Medicine (miscellaneous)2012Q2
Medicine (miscellaneous)2013Q2
Medicine (miscellaneous)2014Q2
Medicine (miscellaneous)2015Q2
Medicine (miscellaneous)2016Q3
Medicine (miscellaneous)2017Q3
Medicine (miscellaneous)2018Q3
Medicine (miscellaneous)2019Q3
Medicine (miscellaneous)2020Q3
Medicine (miscellaneous)2021Q3
Structural Biology1999Q4
Structural Biology2000Q4
Structural Biology2001Q4
Structural Biology2002Q4
Structural Biology2003Q4
Structural Biology2004Q4
Structural Biology2005Q4
Structural Biology2006Q4
Structural Biology2007Q4
Structural Biology2008Q4
Structural Biology2009Q4
Structural Biology2010Q4
Structural Biology2011Q3
Structural Biology2012Q3
Structural Biology2013Q3
Structural Biology2014Q4
Structural Biology2015Q3
Structural Biology2016Q4
Structural Biology2017Q4
Structural Biology2018Q4
Structural Biology2019Q4
Structural Biology2020Q4
Structural Biology2021Q4
SJR

The SJR is a size-independent prestige indicator that ranks journals by their 'average prestige per article'. It is based on the idea that 'all citations are not created equal'. SJR is a measure of scientific influence of journals that accounts for both the number of citations received by a journal and the importance or prestige of the journals where such citations come from It measures the scientific influence of the average article in a journal, it expresses how central to the global scientific discussion an average article of the journal is.

YearSJR
19990.309
20000.308
20010.293
20020.264
20030.231
20040.339
20050.421
20060.563
20070.529
20080.422
20090.417
20100.465
20110.540
20120.570
20130.569
20140.444
20150.477
20160.399
20170.429
20180.368
20190.357
20200.432
20210.366
Total Documents

Evolution of the number of published documents. All types of documents are considered, including citable and non citable documents.

YearDocuments
199956
200057
200170
200269
200374
200478
2005138
2006169
2007164
2008180
2009217
2010208
2011158
2012175
2013164
2014156
2015134
2016142
2017140
2018135
201999
2020134
2021139
Citations per document

This indicator counts the number of citations received by documents from a journal and divides them by the total number of documents published in that journal. The chart shows the evolution of the average number of times documents published in a journal in the past two, three and four years have been cited in the current year. The two years line is equivalent to journal impact factor ™ (Thomson Reuters) metric.

Cites per documentYearValue
Cites / Doc. (4 years)19990.514
Cites / Doc. (4 years)20000.481
Cites / Doc. (4 years)20010.518
Cites / Doc. (4 years)20020.538
Cites / Doc. (4 years)20030.480
Cites / Doc. (4 years)20040.570
Cites / Doc. (4 years)20050.777
Cites / Doc. (4 years)20061.072
Cites / Doc. (4 years)20071.111
Cites / Doc. (4 years)20081.244
Cites / Doc. (4 years)20091.492
Cites / Doc. (4 years)20101.608
Cites / Doc. (4 years)20111.856
Cites / Doc. (4 years)20121.949
Cites / Doc. (4 years)20131.756
Cites / Doc. (4 years)20141.238
Cites / Doc. (4 years)20151.214
Cites / Doc. (4 years)20161.114
Cites / Doc. (4 years)20171.076
Cites / Doc. (4 years)20181.166
Cites / Doc. (4 years)20191.065
Cites / Doc. (4 years)20201.500
Cites / Doc. (4 years)20211.813
Cites / Doc. (3 years)19990.514
Cites / Doc. (3 years)20000.503
Cites / Doc. (3 years)20010.536
Cites / Doc. (3 years)20020.574
Cites / Doc. (3 years)20030.434
Cites / Doc. (3 years)20040.629
Cites / Doc. (3 years)20050.923
Cites / Doc. (3 years)20061.076
Cites / Doc. (3 years)20071.192
Cites / Doc. (3 years)20081.295
Cites / Doc. (3 years)20091.571
Cites / Doc. (3 years)20101.750
Cites / Doc. (3 years)20112.058
Cites / Doc. (3 years)20122.007
Cites / Doc. (3 years)20131.802
Cites / Doc. (3 years)20141.223
Cites / Doc. (3 years)20151.234
Cites / Doc. (3 years)20161.048
Cites / Doc. (3 years)20171.141
Cites / Doc. (3 years)20181.103
Cites / Doc. (3 years)20191.137
Cites / Doc. (3 years)20201.628
Cites / Doc. (3 years)20211.848
Cites / Doc. (2 years)19990.530
Cites / Doc. (2 years)20000.505
Cites / Doc. (2 years)20010.619
Cites / Doc. (2 years)20020.591
Cites / Doc. (2 years)20030.432
Cites / Doc. (2 years)20040.818
Cites / Doc. (2 years)20050.822
Cites / Doc. (2 years)20061.167
Cites / Doc. (2 years)20071.173
Cites / Doc. (2 years)20081.330
Cites / Doc. (2 years)20091.788
Cites / Doc. (2 years)20101.899
Cites / Doc. (2 years)20112.089
Cites / Doc. (2 years)20122.057
Cites / Doc. (2 years)20131.862
Cites / Doc. (2 years)20141.145
Cites / Doc. (2 years)20151.159
Cites / Doc. (2 years)20161.076
Cites / Doc. (2 years)20171.080
Cites / Doc. (2 years)20181.152
Cites / Doc. (2 years)20191.138
Cites / Doc. (2 years)20201.654
Cites / Doc. (2 years)20211.871
Total Cites 
Self-Cites

Evolution of the total number of citations and journal's self-citations received by a journal's published documents during the three previous years.
Journal Self-citation is defined as the number of citation from a journal citing article to articles published by the same journal.

CitesYearValue
Self Cites199912
Self Cites20006
Self Cites20014
Self Cites200216
Self Cites20035
Self Cites20045
Self Cites200513
Self Cites200616
Self Cites200728
Self Cites200860
Self Cites2009151
Self Cites2010176
Self Cites2011264
Self Cites2012233
Self Cites2013116
Self Cites201414
Self Cites201515
Self Cites201618
Self Cites201716
Self Cites201812
Self Cites201911
Self Cites202022
Self Cites20214
Total Cites199991
Total Cites200086
Total Cites200190
Total Cites2002105
Total Cites200385
Total Cites2004134
Total Cites2005204
Total Cites2006312
Total Cites2007459
Total Cites2008610
Total Cites2009806
Total Cites2010982
Total Cites20111245
Total Cites20121170
Total Cites2013975
Total Cites2014608
Total Cites2015611
Total Cites2016476
Total Cites2017493
Total Cites2018459
Total Cites2019474
Total Cites2020609
Total Cites2021680
External Cites per Doc 
Cites per Doc

Evolution of the number of total citation per document and external citation per document (i.e. journal self-citations removed) received by a journal's published documents during the three previous years. External citations are calculated by subtracting the number of self-citations from the total number of citations received by the journal’s documents.

CitesYearValue
External Cites per document19990.446
External Cites per document20000.468
External Cites per document20010.512
External Cites per document20020.486
External Cites per document20030.408
External Cites per document20040.606
External Cites per document20050.872
External Cites per document20061.050
External Cites per document20071.149
External Cites per document20081.198
External Cites per document20091.302
External Cites per document20101.482
External Cites per document20111.666
External Cites per document20121.655
External Cites per document20131.633
External Cites per document20141.243
External Cites per document20151.257
External Cites per document20161.053
External Cites per document20171.166
External Cites per document20181.140
External Cites per document20191.206
External Cites per document20201.711
External Cites per document20212.012
Cites per document19990.514
Cites per document20000.503
Cites per document20010.536
Cites per document20020.574
Cites per document20030.434
Cites per document20040.629
Cites per document20050.923
Cites per document20061.076
Cites per document20071.192
Cites per document20081.295
Cites per document20091.571
Cites per document20101.750
Cites per document20112.058
Cites per document20122.007
Cites per document20131.802
Cites per document20141.223
Cites per document20151.234
Cites per document20161.048
Cites per document20171.141
Cites per document20181.103
Cites per document20191.137
Cites per document20201.628
Cites per document20211.848
% International Collaboration

International Collaboration accounts for the articles that have been produced by researchers from several countries. The chart shows the ratio of a journal's documents signed by researchers from more than one country; that is including more than one country address.

YearInternational Collaboration
199925.00
200017.54
20017.14
200211.59
200316.22
200410.26
200513.77
200617.16
200716.46
200821.67
200917.51
201017.79
201117.72
201222.86
201322.56
201417.95
201517.16
201617.61
201721.43
201824.44
201915.15
202015.67
202120.86
Citable documents 
Non-citable documents

Not every article in a journal is considered primary research and therefore "citable", this chart shows the ratio of a journal's articles including substantial research (research articles, conference papers and reviews) in three year windows vs. those documents other than research articles, reviews and conference papers.

DocumentsYearValue
Non-citable documents19990
Non-citable documents20000
Non-citable documents20010
Non-citable documents20020
Non-citable documents20030
Non-citable documents20040
Non-citable documents20052
Non-citable documents20068
Non-citable documents200710
Non-citable documents200812
Non-citable documents200910
Non-citable documents201017
Non-citable documents201116
Non-citable documents201217
Non-citable documents201315
Non-citable documents201419
Non-citable documents201521
Non-citable documents201619
Non-citable documents201723
Non-citable documents201824
Non-citable documents201933
Non-citable documents202031
Non-citable documents202132
Citable documents1999177
Citable documents2000171
Citable documents2001168
Citable documents2002183
Citable documents2003196
Citable documents2004213
Citable documents2005219
Citable documents2006282
Citable documents2007375
Citable documents2008459
Citable documents2009503
Citable documents2010544
Citable documents2011589
Citable documents2012566
Citable documents2013526
Citable documents2014478
Citable documents2015474
Citable documents2016435
Citable documents2017409
Citable documents2018392
Citable documents2019384
Citable documents2020343
Citable documents2021336
Cited documents 
Uncited documents

Ratio of a journal's items, grouped in three years windows, that have been cited at least once vs. those not cited during the following year.

DocumentsYearValue
Uncited documents1999113
Uncited documents2000119
Uncited documents2001111
Uncited documents2002116
Uncited documents2003137
Uncited documents2004135
Uncited documents2005131
Uncited documents2006165
Uncited documents2007195
Uncited documents2008223
Uncited documents2009262
Uncited documents2010265
Uncited documents2011252
Uncited documents2012237
Uncited documents2013222
Uncited documents2014221
Uncited documents2015216
Uncited documents2016225
Uncited documents2017214
Uncited documents2018211
Uncited documents2019189
Uncited documents2020154
Uncited documents2021159
Cited documents199964
Cited documents200052
Cited documents200157
Cited documents200267
Cited documents200359
Cited documents200478
Cited documents200590
Cited documents2006125
Cited documents2007190
Cited documents2008248
Cited documents2009251
Cited documents2010296
Cited documents2011353
Cited documents2012346
Cited documents2013319
Cited documents2014276
Cited documents2015279
Cited documents2016229
Cited documents2017218
Cited documents2018205
Cited documents2019228
Cited documents2020220
Cited documents2021209
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