Sequence numbers correspond to the following labels:

1. • T0498 L1c, E coli, 56 residues
2. • gi|5542539|pdb|3GB1|A_1:56 Chain A, Structures Of B1 Domain Of Streptococcal Protein G [Taxonomy]
   • gi|157831155|pdb|1GB1|A Chain A, A Novel, Highly Stable Fold Of The Immunoglobulin Binding Domain Of Streptococcal Protein G [Taxonomy]
   • gi|157833473|pdb|1PGA|A Chain A, Two Crystal Structures Of The B1 Immunoglobulin-Binding Domain Of Streptococcal Protein G And Comparison With Nmr [Taxonomy]
   • gi|157833474|pdb|1PGB|A Chain A, Two Crystal Structures Of The B1 Immunoglobulin-Binding Domain Of Streptoccocal Protein G And Comparison With Nmr [Taxonomy]
   • gi|157835028|pdb|2GB1|A Chain A, A Novel, Highly Stable Fold Of The Immunoglobulin Binding Domain Of Streptococcal Protein G [Taxonomy]
3. • gi|14278227|pdb|1IBX|B_1:56 Chain B, Nmr Structure Of Dff40 And Dff45 N-Terminal Domain Complex
4. • gi|157883859|pdb|2I2Y|A_1:56 Chain A, Solution Structure Of The Rrm Of Srp20 Bound To The Rna Cauc [Taxonomy]
5. • gi|157883867|pdb|2I38|A_1:56 Chain A, Solution Structure Of The Rrm Of Srp20 [Taxonomy]
6. • gi|37927559|pdb|1PN5|A_1:56 Chain A, Nmr Structure Of The Nalp1 Pyrin Domain (Pyd) [Taxonomy]
7. • gi|99032573|pdb|2GI9|A_1:56 Chain A, Backbone Conformational Constraints In A Microcrystalline U- 15n-Labeled Protein By 3d Dipolar-Shift Solid-State Nmr Spectroscopy [Taxonomy]
   • gi|161760905|pdb|2JU6|X Chain X, Solid-State Protein Structure Determination With Proton- Detected Triple Resonance 3d Magic-Angle Spinning Nmr Spectroscopy [Taxonomy]
   • gi|163931020|pdb|2QMT|A Chain A, Crystal Polymorphism Of Protein Gb1 Examined By Solid-State Nmr And X-Ray Diffraction [Taxonomy]
   • gi|183448054|pdb|2JSV|X Chain X, Dipole Tensor-Based Refinement For Atomic-Resolution Structure Determination Of A Nanocrystalline Protein By Solid-State Nmr Spectroscopy [Taxonomy]
8. • gi|161761094|pdb|2RMM|A_1:56 Chain A, Solution Structure Of Gb1 A34f Mutant [Taxonomy]
   • gi|161761095|pdb|2RMM|B Chain B, Solution Structure Of Gb1 A34f Mutant [Taxonomy]
9. • gi|64174789|gb|AAY41168.1|_21:76 protein G/SspDnaE fusion protein [Expression vector pJJDuet30]
10. • gi|34810871|pdb|1P7E|A_1:56 Chain A, Gb3 Solution Structure Obtained By Refinement Of X-Ray Structure With Dipolar Couplings [Taxonomy]
    • gi|34810872|pdb|1P7F|A Chain A, Gb3 Solution Structure Obtained By Refinement Of X-Ray Structure With Dipolar Couplings [Taxonomy]
    • gi|126031555|pdb|2OED|A Chain A, Gb3 Solution Structure Obtained By Refinement Of X-Ray Structure With Dipolar Couplings [Taxonomy]
11. • gi|158428903|pdb|2J52|A_1:56 Chain A, Solution Structure Of Gb1 Domain Protein G And Low And High Pressure. [Taxonomy]
    • gi|158428904|pdb|2J53|A Chain A, Solution Structure Of Gb1 Domain Protein G And Low And High Pressure [Taxonomy]
12. • gi|157835189|pdb|2IGG|A_7:61 Chain A, Determination Of The Solution Structures Of Domains Ii And Iii Of Protein G From Streptococcus By 1h Nmr [Taxonomy]
13. • gi|322065|pir||A45063_330:384 immunoglobulin-binding protein LG - Peptostreptococcus magnus [Taxonomy]
    • gi|261706|gb|AAA03280.1| protein LG [Finegoldia magna]
14. • gi|581662|emb|CAA37410.1|_61:115 Protein G' [Streptococcus sp. 'group G']
15. • gi|124267|sp|P06654|SPG1_STRSG_228:282 Immunoglobulin G-binding protein G precursor (IgG-binding protein G) [Taxonomy]
    • gi|153823|gb|AAA03664.1| IgG binding protein [Taxonomy]
16. • gi|7245924|pdb|1QKZ|A_7:61 Chain A, Fab Fragment (Mn14c11.6) In Complex With A Peptide Antigen Derived From Neisseria Meningitidis P1.7 Serosubtype Antigen And Domain Ii From Streptococcal Protein G [Taxonomy]
17. • gi|71041692|pdb|1UWX|A_6:60 Chain A, P1.2 Serosubtype Antigen Derived From N. Meningitidis Pora In Complex With Fab Fragment [Taxonomy]
    • gi|71041693|pdb|1UWX|B Chain B, P1.2 Serosubtype Antigen Derived From N. Meningitidis Pora In Complex With Fab Fragment [Taxonomy]
18. • gi|1065200|pdb|1FCC|C_2:56 Chain C, Crystal Structure Of The C2 Fragment Of Streptococcal Protein G In Complex With The Fc Domain Of Human Igg [Taxonomy]
    • gi|157875391|pdb|1FCC|D Chain D, Crystal Structure Of The C2 Fragment Of Streptococcal Protein G In Complex With The Fc Domain Of Human Igg [Taxonomy]
19. • gi|164519462|pdb|2ONQ|A_1:56 Chain A, Gbeta1 Stabilization By In Vitro Evolution And Computational Design [Taxonomy]
20. • gi|15988267|pdb|1FD6|A_3:57 Chain A, Delta0: A Computationally Designed Core Variant Of The B1 Domain Of Streptococcal Protein G [Taxonomy]
21. • gi|24987790|pdb|1MPE|A_1:56 Chain A, Ensemble Of 20 Structures Of The Tetrameric Mutant Of The B1 Domain Of Streptococcal Protein G [Taxonomy]
    • gi|24987791|pdb|1MPE|B Chain B, Ensemble Of 20 Structures Of The Tetrameric Mutant Of The B1 Domain Of Streptococcal Protein G [Taxonomy]
    • gi|24987792|pdb|1MPE|C Chain C, Ensemble Of 20 Structures Of The Tetrameric Mutant Of The B1 Domain Of Streptococcal Protein G [Taxonomy]
    • gi|24987793|pdb|1MPE|D Chain D, Ensemble Of 20 Structures Of The Tetrameric Mutant Of The B1 Domain Of Streptococcal Protein G [Taxonomy]
    • gi|24987819|pdb|1MVK|A Chain A, X-Ray Structure Of The Tetrameric Mutant Of The B1 Domain Of Streptococcal Protein G [Taxonomy]
    • gi|24987820|pdb|1MVK|B Chain B, X-Ray Structure Of The Tetrameric Mutant Of The B1 Domain Of Streptococcal Protein G [Taxonomy]
    • gi|24987821|pdb|1MVK|C Chain C, X-Ray Structure Of The Tetrameric Mutant Of The B1 Domain Of Streptococcal Protein G [Taxonomy]
    • gi|24987822|pdb|1MVK|D Chain D, X-Ray Structure Of The Tetrameric Mutant Of The B1 Domain Of Streptococcal Protein G [Taxonomy]
    • gi|24987823|pdb|1MVK|E Chain E, X-Ray Structure Of The Tetrameric Mutant Of The B1 Domain Of Streptococcal Protein G [Taxonomy]
    • gi|24987824|pdb|1MVK|F Chain F, X-Ray Structure Of The Tetrameric Mutant Of The B1 Domain Of Streptococcal Protein G [Taxonomy]
    • gi|24987825|pdb|1MVK|G Chain G, X-Ray Structure Of The Tetrameric Mutant Of The B1 Domain Of Streptococcal Protein G [Taxonomy]
    • gi|24987826|pdb|1MVK|H Chain H, X-Ray Structure Of The Tetrameric Mutant Of The B1 Domain Of Streptococcal Protein G [Taxonomy]
    • gi|24987827|pdb|1MVK|I Chain I, X-Ray Structure Of The Tetrameric Mutant Of The B1 Domain Of Streptococcal Protein G [Taxonomy]
    • gi|24987828|pdb|1MVK|J Chain J, X-Ray Structure Of The Tetrameric Mutant Of The B1 Domain Of Streptococcal Protein G [Taxonomy]
    • gi|24987829|pdb|1MVK|K Chain K, X-Ray Structure Of The Tetrameric Mutant Of The B1 Domain Of Streptococcal Protein G [Taxonomy]
    • gi|24987830|pdb|1MVK|L Chain L, X-Ray Structure Of The Tetrameric Mutant Of The B1 Domain Of Streptococcal Protein G [Taxonomy]
22. • gi|157833481|pdb|1PGX|A_15:69 Chain A, The 1.66 Angstroms X-Ray Structure Of The B2 Immunoglobulin- Binding Domain Of Streptococcal Protein G And Comparison To The Nmr Structure Of The B1 Domain [Taxonomy]
23. • gi|124267|sp|P06654|SPG1_STRSG_298:352 Immunoglobulin G-binding protein G precursor (IgG-binding protein G) [Taxonomy]
    • gi|153823|gb|AAA03664.1| IgG binding protein [Taxonomy]
24. • gi|161761023|pdb|2ON8|A_1:56 Chain A, Gbeta1 Stabilization By In Vitro Evolution And Computational Design [Taxonomy]
25. • gi|109157407|pdb|2CWB|A_8:62 Chain A, Solution Structure Of The Ubiquitin-Associated Domain Of Human Bmsc-Ubp And Its Complex With Ubiquitin
    • gi|110591203|pdb|2DEN|A Chain A, Solution Structure Of The Ubiquitin-Associated Domain Of Human Bmsc-Ubp And Its Complex With Ubiquitin
26. • gi|322065|pir||A45063_400:454 immunoglobulin-binding protein LG - Peptostreptococcus magnus [Taxonomy]
    • gi|261706|gb|AAA03280.1| protein LG [Finegoldia magna]
27. • gi|157835190|pdb|2IGH|A_7:61 Chain A, Determination Of The Solution Structures Of Domains Ii And Iii Of Protein G From Streptococcus By 1h Nmr [Taxonomy]
28. • gi|38492880|pdb|1Q10|A_1:56 Chain A, Ensemble Of 40 Structures Of The Dimeric Mutant Of The B1 Domain Of Streptococcal Protein G [Taxonomy]
    • gi|38492881|pdb|1Q10|B Chain B, Ensemble Of 40 Structures Of The Dimeric Mutant Of The B1 Domain Of Streptococcal Protein G [Taxonomy]
29. • gi|475118|gb|AAA26921.1|_258:312 mag [Taxonomy]
30. • gi|581662|emb|CAA37410.1|_131:185 Protein G' [Streptococcus sp. 'group G']
31. • gi|1064973|pdb|1IGC|A_7:61 Chain A, Igg1 Fab Fragment (Mopc21) Complex With Domain Iii Of Protein G From Streptococcus [Taxonomy]
    • gi|157831452|pdb|1IGD|A Chain A, The Third Igg-Binding Domain From Streptococcal Protein G: An Analysis By X-Ray Crystallography Of The Structure Alone And In A Complex With Fab [Taxonomy]
    • gi|157835188|pdb|2IGD|A Chain A, Anisotropic Structure Of Protein G Igg-Binding Domain Iii At 1.1 Angstrom Resolution [Taxonomy]
32. • gi|470221|emb|CAA82764.1|_504:558 streptococcal surface protein [Streptococcus dysgalactiae]
33. • gi|386094|gb|AAB27024.1|_3:57 protein G IgG Fc binding domain; PGFB [Streptococcus sp. CMCC 32138]
34. • gi|119390478|pdb|2NMQ|A_2:55 Chain A, Simultaneous Determination Of Protein Structure And Dynamics Using Rdcs [Taxonomy]
35. • gi|15824801|gb|AAL09476.1|AF354651_1_504:558 Mig precursor [Streptococcus dysgalactiae]
36. • gi|157831156|pdb|1GB4|A_3:57 Chain A, Hyperthermophilic Variant Of The B1 Domain From Streptococcal Protein G, Nmr, 47 Structures [Taxonomy]
37. • gi|15988266|pdb|1FCL|A_2:56 Chain A, Delta1.5: A Computationally Designed Core Variant Of The B1 Domain Of Streptococcal Protein G [Taxonomy]
38. • gi|21465426|pdb|1EM7|A_2:56 Chain A, Helix Variant Of The B1 Domain From Streptococcal Protein G [Taxonomy]
39. • gi|149243209|pdb|2PLP|A_2:53 Chain A, Ultra High Resolution Backbone Conformation Of Protein Gb1 From Residual Dipolar Couplings Alone [Taxonomy]
40. • gi|24159073|pdb|1MI0|A_11:65 Chain A, Crystal Structure Of The Redesigned Protein G Variant Nug2 [Taxonomy]
    • gi|24159074|pdb|1MI0|B Chain B, Crystal Structure Of The Redesigned Protein G Variant Nug2 [Taxonomy]
41. • gi|24159072|pdb|1MHX|A_11:65 Chain A, Crystal Structures Of The Redesigned Protein G Variant Nug1 [Taxonomy]
42. • gi|973189|gb|AAA86832.1|_300:354 cell surface protein precursor [Taxonomy]
43. • gi|122891677|dbj|BAD00711.2|_304:358 cell surface protein precursor [Streptococcus equi subsp. zooepidemicus]
44. • gi|581662|emb|CAA37410.1|_2:45 Protein G' [Streptococcus sp. 'group G']
45. • gi|122891677|dbj|BAD00711.2|_232:286 cell surface protein precursor [Streptococcus equi subsp. zooepidemicus]
46. • gi|973189|gb|AAA86832.1|_228:282 cell surface protein precursor [Taxonomy]
47. • gi|83753868|pdb|1ZXH|A_3:54 Chain A, G311 Mutant Protein [Taxonomy]
48. • gi|551987|gb|AAA26599.1|_238:264 BBM3XM [Taxonomy]
49. • gi|551988|gb|AAA26600.1|_238:264 BBXM [Taxonomy]

              10        20        30        40        50      
              |         |         |         |         |      
   1 TTYKLILNLKQAKEEAIKELVDAGTAEKYIKLIANAKTVEGVWTLKDEIKTFTVTE
   2 MTYKLILNGKTLKGETTTEAVDAATAEKVFKQYANDNGVDGEWTYDDATKTFTVTE
   3 MQYKLILNGKTLKGETTTEAVDAATAEKVFKQYANDNGVDGEWTYDDATKTFTVTE
   4 MQYKLILNGKTLKGETTTEAVDAATAEKVFKQYANDNGVDGEWTYDDATKTFTVTE
   5 MQYKLILNGKTLKGETTTEAVDAATAEKVFKQYANDNGVDGEWTYDDATKTFTVTE
   6 MQYKLILNGKTLKGETTTEAVDAATAEKVFKQYANDNGVDGEWTYDDATKTFTVTE
   7 MQYKLILNGKTLKGETTTEAVDAATAEKVFKQYANDNGVDGEWTYDDATKTFTVTE
   8 MQYKLILNGKTLKGETTTEAVDAATAEKVFKQYFNDNGVDGEWTYDDATKTFTVTE
   9 MQYKLILNGKTLKGETTTEAVDAATAEKVFKQYANDNGVDGEWTYDDATKTYTVTE
  10 MQYKLVINGKTLKGETTTKAVDAETAEKAFKQYANDNGVDGVWTYDDATKTFTVTE
  11 MTYKLILNGKTLKGETTTEAVDAATAEKVFKQYANDNGVDGEWTYDAATKTFTVTE
  12 -TYKLVINGKTLKGETTTEAVDAATAEKVFKQYANDNGVDGEWTYDDATKTFTVTE
  13 -TYKLILNGKTLKGETTTEAVDAATAEKVFKQYANDNGVDGEWTYDDATKTFTVTE
  14 -TYKLVINGKTLKGETTTEAVDAATAEKVFKQYANDNGVDGEWTYDDATKTFTVTE
  15 -TYKLILNGKTLKGETTTEAVDAATAEKVFKQYANDNGVDGEWTYDDATKTFTVTE
  16 -TYKLVINGKTLKGETTTKAVDAATAEKVFKQYANDNGVDGEWTYDDATKTFTVTE
  17 -TYKLVINGKTLKGETTTKAVDAATAEKVFKQYANDNGVDGEWTYDDATKTFTVTE
  18 -TYKLVINGKTLKGETTTEAVDAATAEKVFKQYANDNGVDGEWTYDDATKTFTVTE
  19 MQFKLIINGKTLKGEITIEAVDAAEAEKFFKQYANDNGIDGEWTYDDATKTFTVTE
  20 -TFKLIINGKTLKGETTTEAVDAATAEKVFKQYANDNGIDGEWTYDDATKTFTVTE
  21 MQYKVILNGKTLKGETTTEAVDAATFEKVVKQFFNDNGVDGEWTYDDATKTFTVTE
  22 -TYKLVINGKTLKGETTTKAVDAETAEKAFKQYANDNGVDGVWTYDDATKTFTVTE
  23 -TYKLVINGKTLKGETTTKAVDAETAEKAFKQYANDNGVDGVWTYDDATKTFTVTE
  24 MQFKLIINGKTLKGEITLEAVDAAEAEKKFKQYANDNGIDGEWTYDDATKTFTVTE
  25 -QYKLALNGKTLKGETTTEAVDAATAEKVFKQYANDNGVDGEWTYDDATKTFTVTE
  26 -TYKLVINGKTLKGETTTKAVDAETAEKAFKQYANDNGVDGVWTYDDATKTFTVTE
  27 -TYKLVINGKTLKGETTTKAVDAETAEKAFKQYANDNGVDGVWTYDDATKTFTVTE
  28 MQYKVILNGKTLKGETTTEAVDAATAEKVVKQFFNDNGVDGEWTYDDATKTFTVTE
  29 -TYKLVINGKTLKGETTTKAVDAETAEKAFKQYANENGVDGVWTYDDATKTFTVTE
  30 -TYKLVINGKTLKGETTTKAVDAETAEKAFKQYANDNGVDGVWTYDDATKTFTVTE
  31 -TYKLVINGKTLKGETTTKAVDAETAEKAFKQYANDNGVDGVWTYDDATKTFTVTE
  32 -TYKLVINGKTLKGETTTKAVDAETAEKAFKQYANENGVDGVWTYDDATKTFTVTE
  33 -TYKLVINGKTLKGETTTKTVDAETAEKAFKQYANDNGVDGVWTYDDATKTFTVTE
  34 --YKLVINGKTLKGETTTKAVDAETAEKAFKQYANDNGVDGVWTYDDATKTFTVTE
  35 -TYKLVINGKTLKGETTTKAVDVETAEKAFKQYANENGVDGVWTYDDATKTFTVTE
  36 -TFKLIINGKTLKGEITIEAVDAAEAEKIFKQYANDNGIDGEWTYDDATKTFTVTE
  37 -TFKLIINGKTLKGETTTEAVDAATAEKVLKQYINDNGIDGEWTYDDATKTWTVTE
  38 -TYKLILNGKTLKGETTTEAVDAETAERVFKEYAKKNGVDGEWTYDDATKTFTVTE
  39 --YKLILNGKTLKGETTTEAVDAATAEKVFKQYANDNGVDGEWTYDDATKTFTV--
  40 -TYKLVIVLNGTTFTYTTEAVDAATAEKVFKQYANDNGVDGEWTYADATKTFTVTE
  41 -TYKLFIVIGDRVVVVTTEAVDAATAEKVFKQYANDNGVDGEWTYDDAAKTFTVTE
  42 -TYRLVIKGVTFSGETATKAVDAATAEQAFRQYANDNGVTGEWAYDAATKTFTVTE
  43 -TYRLVIKGVTFSGETATKAVDAATAEQTFRQYANDNGITGEWAYDTATKTFTVTE
  44 ------------KGETTTEAVDAATAEKVFKQYANDNGVDGEWTYDDATKTFTVTE
  45 -SYKLVIKGATFSGETATKAVDAAVAEQTFRDYANKNGVDGVWAYDAATKTFTVTE
  46 -SYKLVIKGATFSGETATKAVDAAVAEQTFRDYANKNGVDGVWAYDAATKTFTVTE
  47 --YLVVNKGQNAFYETLTKAVDAETARNAFIQSLKDDGVQGVWTYDDATKTFTV--
  48 -TYKLILNGKTLKGETTTEAVDAATARS----------------------------
  49 -TYKLILNGKTLKGETTTEAVDAATARS----------------------------