BLAST Search Results

BLASTP 2.2.1 [Apr-13-2001] Reference: Altschul, Stephen F., Thomas L. Madden, Alejandro A. Schäffer, Jinghui Zhang, Zheng Zhang, Webb Miller, and David J. Lipman (1997), "Gapped BLAST and PSI-BLAST: a new generation of protein database search programs", Nucleic Acids Res. 25:3389-3402. Query= gi|15644638|ref|NP_206806.1| carbonic anhydrase (icfA) [Helicobacter pylori 26695] (221 letters) Database: /var/www/html/HP/blast_new/blast/db/pdbaa 13,198 sequences; 2,899,336 total letters Searching...........................done



                                                                   Score     E
Sequences producing significant alignments:                        (bits)  Value

pdb|1EKJ|G  Chain G, The X-Ray Crystallographic Structure Of...    97  2e-21
pdb|1I6O|B  Chain B, Crystal Structure Of E. Coli Beta Carbo...    70  1e-13
pdb|1I6P|A  Chain A, Crystal Structure Of E. Coli Beta Carbo...    70  1e-13
pdb|1DDZ|A  Chain A, X-Ray Structure Of A Beta-Carbonic Anhy...    69  4e-13
pdb|1G5C|A  Chain A, Crystal Structure Of The 'cab' Type Bet...    42  7e-05
pdb|1H29|A  Chain A, Sulfate Respiration In Desulfovibrio Vu...    29  0.38
pdb|1SBB|D  Chain D, T-Cell Receptor Beta Chain Complexed Wi...    27  1.9
pdb|1GOZ|A  Chain A, Structural Basis For The Altered T-Cell...    27  1.9
pdb|3SEB|    Staphylococcal Enterotoxin B                          27  1.9
pdb|1FUK|A  Chain A, Crystal Structure Of The Carboxy Termin...    25  7.1
pdb|1C7N|A  Chain A, Crystal Structure Of Cystalysin From Tr...    25  7.1
pdb|1FUU|B  Chain B, Yeast Initiation Factor 4a >gi|11513344...    25  7.1

>pdb|1EKJ|G Chain G, The X-Ray Crystallographic Structure Of Beta Carbonic
           Anhydrase From The C3 Dicot Pisum Sativum
 pdb|1EKJ|C Chain C, The X-Ray Crystallographic Structure Of Beta Carbonic
           Anhydrase From The C3 Dicot Pisum Sativum
 pdb|1EKJ|F Chain F, The X-Ray Crystallographic Structure Of Beta Carbonic
           Anhydrase From The C3 Dicot Pisum Sativum
 pdb|1EKJ|B Chain B, The X-Ray Crystallographic Structure Of Beta Carbonic
           Anhydrase From The C3 Dicot Pisum Sativum
 pdb|1EKJ|E Chain E, The X-Ray Crystallographic Structure Of Beta Carbonic
           Anhydrase From The C3 Dicot Pisum Sativum
 pdb|1EKJ|D Chain D, The X-Ray Crystallographic Structure Of Beta Carbonic
           Anhydrase From The C3 Dicot Pisum Sativum
 pdb|1EKJ|H Chain H, The X-Ray Crystallographic Structure Of Beta Carbonic
           Anhydrase From The C3 Dicot Pisum Sativum
 pdb|1EKJ|A Chain A, The X-Ray Crystallographic Structure Of Beta Carbonic
           Anhydrase From The C3 Dicot Pisum Sativum
          Length = 221

 Score = 96.7 bits (239), Expect = 2e-21
 Identities = 62/197 (31%), Positives = 97/197 (48%), Gaps = 5/197 (2%)

Query: 6   GALEFQENEYEELKELYESLKTKQKPHTLFISCVDSRVVPNLITGTKPGELYVICNMGNV 65
           G L F++ +Y++   LY  L   Q P  +  +C DSRV P+ +   +PGE +V+ N+ N+
Sbjct: 20  GFLHFKKEKYDKNPALYGELAKGQSPPFMVFACSDSRVCPSHVLDFQPGEAFVVRNVANL 79

Query: 66  NPPKTSYKESLSTIASIEYAIAHVGVQNLIICGHSDCGAC-GSVHLIHDETTKAKTPYIA 124
            PP    K +  T A+IEYA+ H+ V N+++ GHS CG   G +    D T    T +I 
Sbjct: 80  VPPYDQAKYA-GTGAAIEYAVLHLKVSNIVVIGHSACGGIKGLLSFPFDGT--YSTDFIE 136

Query: 125 NWIQFLEPVKEELKNHPQFSNHFAKRSWLTERLNARLQLNNLLSYDFIQEKASKNELKIF 184
            W++   P K ++K        FA+     E+      L NLL+Y F++E      L + 
Sbjct: 137 EWVKIGLPAKAKVKAQ-HGDAPFAELCTHCEKEAVNASLGNLLTYPFVREGLVNKTLALK 195

Query: 185 GWHYIIETGRIYNYNFE 201
           G +Y    G    +  E
Sbjct: 196 GGYYDFVKGSFELWGLE 212

>pdb|1I6O|B Chain B, Crystal Structure Of E. Coli Beta Carbonic Anhydrase
           (Ecca)
 pdb|1I6O|A Chain A, Crystal Structure Of E. Coli Beta Carbonic Anhydrase
           (Ecca)
          Length = 220

 Score = 70.5 bits (171), Expect = 1e-13
 Identities = 60/209 (28%), Positives = 94/209 (44%), Gaps = 27/209 (12%)

Query: 16  EELKELYESLKTKQKPHTLFISCVDSRVVPNLITGTKPGELYVICNMGNVNPPKTSYKES 75
           EE    +E L   QKP  L+I C DSRV    +TG +PGEL+V  N+ N+          
Sbjct: 20  EEDPGFFEKLAQAQKPRFLWIGCSDSRVPAERLTGLEPGELFVHRNVANL-----VIHTD 74

Query: 76  LSTIASIEYAIAHVGVQNLIICGHSDCGACGSVHLIHDETTKAKTPYIANWIQFLEPV-- 133
           L+ ++ ++YA+  + V+++IICGH  CG       +       +   I NW+  +  +  
Sbjct: 75  LNCLSVVQYAVDVLEVEHIIICGHYGCGG------VQAAVENPELGLINNWLLHIRDIWF 128

Query: 134 --KEELKNHPQFSNHFAKRSWLTERLNARLQLNNLLSYDFIQEKASK--NELKIFGWHYI 189
                L   PQ      +R      LN   Q+ N L +  I + A K   ++ I GW Y 
Sbjct: 129 KHSSLLGEXPQ-----ERRLDTLCELNVXEQVYN-LGHSTIXQSAWKRGQKVTIHGWAYG 182

Query: 190 IETGRIYNYNFESHFFEPIGETIKQRKSH 218
           I  G + + +  +       ET++QR  H
Sbjct: 183 IHDGLLRDLDVTA----TNRETLEQRYRH 207

>pdb|1I6P|A Chain A, Crystal Structure Of E. Coli Beta Carbonic Anhydrase
           (Ecca)
          Length = 220

 Score = 70.5 bits (171), Expect = 1e-13
 Identities = 60/209 (28%), Positives = 94/209 (44%), Gaps = 27/209 (12%)

Query: 16  EELKELYESLKTKQKPHTLFISCVDSRVVPNLITGTKPGELYVICNMGNVNPPKTSYKES 75
           EE    +E L   QKP  L+I C DSRV    +TG +PGEL+V  N+ N+          
Sbjct: 20  EEDPGFFEKLAQAQKPRFLWIGCSDSRVPAERLTGLEPGELFVHRNVANL-----VIHTD 74

Query: 76  LSTIASIEYAIAHVGVQNLIICGHSDCGACGSVHLIHDETTKAKTPYIANWIQFLEPV-- 133
           L+ ++ ++YA+  + V+++IICGH  CG       +       +   I NW+  +  +  
Sbjct: 75  LNCLSVVQYAVDVLEVEHIIICGHYGCGG------VQAAVENPELGLINNWLLHIRDIWF 128

Query: 134 --KEELKNHPQFSNHFAKRSWLTERLNARLQLNNLLSYDFIQEKASK--NELKIFGWHYI 189
                L   PQ      +R      LN   Q+ N L +  I + A K   ++ I GW Y 
Sbjct: 129 KHSSLLGEMPQ-----ERRLDTLCELNVMEQVYN-LGHSTIMQSAWKRGQKVTIHGWAYG 182

Query: 190 IETGRIYNYNFESHFFEPIGETIKQRKSH 218
           I  G + + +  +       ET++QR  H
Sbjct: 183 IHDGLLRDLDVTA----TNRETLEQRYRH 207

>pdb|1DDZ|A Chain A, X-Ray Structure Of A Beta-Carbonic Anhydrase From The Red
           Alga, Porphyridium Purpureum R-1
 pdb|1DDZ|B Chain B, X-Ray Structure Of A Beta-Carbonic Anhydrase From The Red
           Alga, Porphyridium Purpureum R-1
          Length = 496

 Score = 68.9 bits (167), Expect = 4e-13
 Identities = 46/218 (21%), Positives = 101/218 (46%), Gaps = 16/218 (7%)

Query: 2   KAFLGALEFQENEYEELKELYESLKTKQKPHTLFISCVDSRVVPNLITGTKPGELYVICN 61
           + F+    +++   ++  + + +L   Q P  L+I C DSRV  N I     GE++V  N
Sbjct: 292 RVFVNNENWRQKMLKQDPQFFSNLAHTQTPEILWIGCADSRVPANQIINLPAGEVFVHRN 351

Query: 62  MGNVNPPKTSYKESLSTIASIEYAIAHVGVQNLIICGHSDCGACGSVHLIHDETTKAKTP 121
           + N           +S ++ ++YA+ ++ V+ +++CGH  CG C +          ++  
Sbjct: 352 IAN-----QCIHSDMSFLSVLQYAVQYLKVKRVVVCGHYACGGCAAA------LGDSRLG 400

Query: 122 YIANWIQFLEPVKEELKNHPQFSNHFAKRSWLTE--RLNARLQLNNLLSYDFIQEK-ASK 178
            I NW++ +  V+    N  + S     +  L     +N   Q++N+ +   +Q+   + 
Sbjct: 401 LIDNWLRHIRDVRRH--NQAELSRITDPKDSLNRLIEINVLEQMHNVCATSIVQDAWDAG 458

Query: 179 NELKIFGWHYIIETGRIYNYNFESHFFEPIGETIKQRK 216
            EL++ G  Y +  G++ +    +   + IG+  + ++
Sbjct: 459 QELEVQGVVYGVGDGKLRDMGVVAKANDDIGQIFRTKQ 496

 Score = 59.3 bits (142), Expect = 3e-10
 Identities = 45/178 (25%), Positives = 87/178 (48%), Gaps = 14/178 (7%)

Query: 20  ELYESLKTKQKPHTLFISCVDSRVVPNLITGTKPGELYVICNMGNVNPPKTSYKESLSTI 79
           E +  L   Q P  L+I C DSRV  N +     GE++V  N+ N           +S +
Sbjct: 56  EFFNRLANGQSPEYLWIGCADSRVPANQLLDLPAGEVFVHRNIAN-----QCIHSDISFL 110

Query: 80  ASIEYAIAHVGVQNLIICGHSDCGACGSVHLIHDETTKAKTPYIANWIQFLEPVKE-ELK 138
           + ++YA+ ++ V+++++CGH  CG  G+   + D    ++   I NW++ +  V+    K
Sbjct: 111 SVLQYAVQYLKVKHILVCGHYGCG--GAKAALGD----SRLGLIDNWLRHIRDVRRMNAK 164

Query: 139 NHPQFSNHFAKRSWLTERLNARLQLNNLLSYDFIQEK-ASKNELKIFGWHYIIETGRI 195
              +  +   + + L E LN   Q++N+ +   +Q+   +  EL + G  Y +  G++
Sbjct: 165 YLDKCKDGDEELNRLIE-LNVLEQVHNVCATSIVQDAWDAGQELTVQGVVYGVGDGKL 221

>pdb|1G5C|A Chain A, Crystal Structure Of The 'cab' Type Beta Class Carbonic
           Anhydrase From Methanobacterium Thermoautotrophicum
 pdb|1G5C|C Chain C, Crystal Structure Of The 'cab' Type Beta Class Carbonic
           Anhydrase From Methanobacterium Thermoautotrophicum
 pdb|1G5C|E Chain E, Crystal Structure Of The 'cab' Type Beta Class Carbonic
           Anhydrase From Methanobacterium Thermoautotrophicum
 pdb|1G5C|B Chain B, Crystal Structure Of The 'cab' Type Beta Class Carbonic
           Anhydrase From Methanobacterium Thermoautotrophicum
 pdb|1G5C|D Chain D, Crystal Structure Of The 'cab' Type Beta Class Carbonic
           Anhydrase From Methanobacterium Thermoautotrophicum
 pdb|1G5C|F Chain F, Crystal Structure Of The 'cab' Type Beta Class Carbonic
           Anhydrase From Methanobacterium Thermoautotrophicum
          Length = 170

 Score = 41.6 bits (96), Expect = 7e-05
 Identities = 31/97 (31%), Positives = 44/97 (44%), Gaps = 16/97 (16%)

Query: 9   EFQENEYEELKELYESLKTKQKPHTLFISCVDSRVVPNL--ITGTKPGELYVICNMGNVN 66
           E Q+  + +L +L      K  P    I+C+DSR++  L    G   G+  VI N GN+ 
Sbjct: 9   ENQDFRFRDLSDL------KHSPKLCIITCMDSRLIDLLERALGIGRGDAKVIKNAGNIV 62

Query: 67  PPKTSYKESLSTIASIEYAIAHVGVQNLIICGHSDCG 103
                       I S   AI  +G   +II GH+DCG
Sbjct: 63  DD--------GVIRSAAVAIYALGDNEIIIVGHTDCG 91

>pdb|1H29|A Chain A, Sulfate Respiration In Desulfovibrio Vulgaris
           Hildenborough: Structure Of The 16-Heme Cytochrome C
           Hmca At 2.5 A Resolution And A View Of Its Role In
           Transmembrane Electron Transfer
 pdb|1H29|B Chain B, Sulfate Respiration In Desulfovibrio Vulgaris
           Hildenborough: Structure Of The 16-Heme Cytochrome C
           Hmca At 2.5 A Resolution And A View Of Its Role In
           Transmembrane Electron Transfer
 pdb|1H29|C Chain C, Sulfate Respiration In Desulfovibrio Vulgaris
           Hildenborough: Structure Of The 16-Heme Cytochrome C
           Hmca At 2.5 A Resolution And A View Of Its Role In
           Transmembrane Electron Transfer
 pdb|1H29|D Chain D, Sulfate Respiration In Desulfovibrio Vulgaris
           Hildenborough: Structure Of The 16-Heme Cytochrome C
           Hmca At 2.5 A Resolution And A View Of Its Role In
           Transmembrane Electron Transfer
          Length = 514

 Score = 29.3 bits (64), Expect = 0.38
 Identities = 31/118 (26%), Positives = 45/118 (37%), Gaps = 19/118 (16%)

Query: 2   KAFLGALEFQENEYEELKELYESLKTKQKPHTLFISCVDSRVVPNLITGTKPGELYVICN 61
           K  L  +   +N   ELKE+Y         H   I C          TG + GE     +
Sbjct: 59  KMSLKFMRLDDNSAAELKEIY---------HANCIGCHTDLAKAGKKTGPQDGECR---S 106

Query: 62  MGNVNPPKTSYKESLSTIASIEYAIAHVGVQNLIICG--HSDCGACGSVHLIHDETTK 117
             N  P   S  + +    S+ Y   HV  + +   G    +CGAC   H ++DE +K
Sbjct: 107 CHNPKPSAASSWKEIGFDKSLHYR--HVASKAIKPVGDPQKNCGAC---HHVYDEASK 159

>pdb|1SBB|D Chain D, T-Cell Receptor Beta Chain Complexed With Superantigen Seb
 pdb|1SE4|   Staphylococcal Enterotoxin B Complexed With Lactose
 pdb|1SE3|   Staphylococcal Enterotoxin B Complexed With Gm3 Trisaccharide
 pdb|1SBB|B Chain B, T-Cell Receptor Beta Chain Complexed With Superantigen Seb
 pdb|1D5Z|C Chain C, X-Ray Crystal Structure Of Hla-Dr4 Complexed With
           Peptidomimetic And Seb
 pdb|1D5M|C Chain C, X-Ray Crystal Structure Of Hla-Dr4 Complexed With Peptide
           And Seb
 pdb|1D5X|C Chain C, X-Ray Crystal Structure Of Hla-Dr4 Complexed With
           Dipeptide Mimetic And Seb
 pdb|1D6E|C Chain C, Crystal Structure Of Hla-Dr4 Complex With Peptidomimetic
           And Seb
 pdb|2SEB|D Chain D, X-Ray Crystal Structure Of Hla-Dr4 Complexed With A
           Peptide From Human Collagen Ii
          Length = 239

 Score = 26.9 bits (58), Expect = 1.9
 Identities = 12/37 (32%), Positives = 22/37 (59%), Gaps = 2/37 (5%)

Query: 165 NLLSYDFI--QEKASKNELKIFGWHYIIETGRIYNYN 199
           NLLS+D    ++K +  EL     HY+++  ++Y +N
Sbjct: 142 NLLSFDVQTNKKKVTAQELDYLTRHYLVKNKKLYEFN 178

>pdb|1GOZ|A Chain A, Structural Basis For The Altered T-Cell Receptor Binding
           Specificty In A Superantigenic Staphylococcus Aureus
           Enterotoxin-B Mutant
 pdb|1GOZ|B Chain B, Structural Basis For The Altered T-Cell Receptor Binding
           Specificty In A Superantigenic Staphylococcus Aureus
           Enterotoxin-B Mutant
          Length = 239

 Score = 26.9 bits (58), Expect = 1.9
 Identities = 12/37 (32%), Positives = 22/37 (59%), Gaps = 2/37 (5%)

Query: 165 NLLSYDFI--QEKASKNELKIFGWHYIIETGRIYNYN 199
           NLLS+D    ++K +  EL     HY+++  ++Y +N
Sbjct: 142 NLLSFDVQTNKKKVTAQELDYLTRHYLVKNKKLYEFN 178

>pdb|3SEB|   Staphylococcal Enterotoxin B
          Length = 238

 Score = 26.9 bits (58), Expect = 1.9
 Identities = 12/37 (32%), Positives = 22/37 (59%), Gaps = 2/37 (5%)

Query: 165 NLLSYDFI--QEKASKNELKIFGWHYIIETGRIYNYN 199
           NLLS+D    ++K +  EL     HY+++  ++Y +N
Sbjct: 142 NLLSFDVQTNKKKVTAQELDYLTRHYLVKNKKLYEFN 178

>pdb|1FUK|A Chain A, Crystal Structure Of The Carboxy Terminal Domain Of
          Yeast Eif4a
          Length = 165

 Score = 25.0 bits (53), Expect = 7.1
 Identities = 17/49 (34%), Positives = 24/49 (48%), Gaps = 4/49 (8%)

Query: 1  MKAFLGALEFQENEYEELKELYESLKTKQKPHTLFISCVDSRVVPNLIT 49
          +K F   +E +E +YE L +LY+S+   Q      I C   R V  L T
Sbjct: 4  IKQFYVNVEEEEYKYECLTDLYDSISVTQ----AVIFCNTRRKVEELTT 48

>pdb|1C7N|A Chain A, Crystal Structure Of Cystalysin From Treponema Denticola
           Contains A Pyridoxal 5'-Phosphate Cofactor
 pdb|1C7N|B Chain B, Crystal Structure Of Cystalysin From Treponema Denticola
           Contains A Pyridoxal 5'-Phosphate Cofactor
 pdb|1C7N|C Chain C, Crystal Structure Of Cystalysin From Treponema Denticola
           Contains A Pyridoxal 5'-Phosphate Cofactor
 pdb|1C7N|D Chain D, Crystal Structure Of Cystalysin From Treponema Denticola
           Contains A Pyridoxal 5'-Phosphate Cofactor
 pdb|1C7N|E Chain E, Crystal Structure Of Cystalysin From Treponema Denticola
           Contains A Pyridoxal 5'-Phosphate Cofactor
 pdb|1C7N|F Chain F, Crystal Structure Of Cystalysin From Treponema Denticola
           Contains A Pyridoxal 5'-Phosphate Cofactor
 pdb|1C7N|G Chain G, Crystal Structure Of Cystalysin From Treponema Denticola
           Contains A Pyridoxal 5'-Phosphate Cofactor
 pdb|1C7N|H Chain H, Crystal Structure Of Cystalysin From Treponema Denticola
           Contains A Pyridoxal 5'-Phosphate Cofactor
 pdb|1C7O|A Chain A, Crystal Structure Of Cystalysin From Treponema Denticola
           Contains A Pyridoxal
           5'-Phosphate-L-Aminoethoxyvinylglycine Complex
 pdb|1C7O|B Chain B, Crystal Structure Of Cystalysin From Treponema Denticola
           Contains A Pyridoxal
           5'-Phosphate-L-Aminoethoxyvinylglycine Complex
 pdb|1C7O|C Chain C, Crystal Structure Of Cystalysin From Treponema Denticola
           Contains A Pyridoxal
           5'-Phosphate-L-Aminoethoxyvinylglycine Complex
 pdb|1C7O|D Chain D, Crystal Structure Of Cystalysin From Treponema Denticola
           Contains A Pyridoxal
           5'-Phosphate-L-Aminoethoxyvinylglycine Complex
 pdb|1C7O|E Chain E, Crystal Structure Of Cystalysin From Treponema Denticola
           Contains A Pyridoxal
           5'-Phosphate-L-Aminoethoxyvinylglycine Complex
 pdb|1C7O|F Chain F, Crystal Structure Of Cystalysin From Treponema Denticola
           Contains A Pyridoxal
           5'-Phosphate-L-Aminoethoxyvinylglycine Complex
 pdb|1C7O|G Chain G, Crystal Structure Of Cystalysin From Treponema Denticola
           Contains A Pyridoxal
           5'-Phosphate-L-Aminoethoxyvinylglycine Complex
 pdb|1C7O|H Chain H, Crystal Structure Of Cystalysin From Treponema Denticola
           Contains A Pyridoxal
           5'-Phosphate-L-Aminoethoxyvinylglycine Complex
          Length = 399

 Score = 25.0 bits (53), Expect = 7.1
 Identities = 21/76 (27%), Positives = 34/76 (44%), Gaps = 6/76 (7%)

Query: 32  HTLFISCVDSRVVPNLITGTKPGELYVICNMGNVN----PPKTSYKESLSTIASIEYAIA 87
           HT+F S +D ++    IT T P + + I  MG  N     P    + + S  A+      
Sbjct: 216 HTVFQS-IDEQLADKTITFTAPSKTFNIAGMGMSNIIIKNPDIRERFTKSRDATSGMPFT 274

Query: 88  HVGVQNLIICGHSDCG 103
            +G +   IC + +CG
Sbjct: 275 TLGYKACEIC-YKECG 289

>pdb|1FUU|B Chain B, Yeast Initiation Factor 4a
 pdb|1FUU|A Chain A, Yeast Initiation Factor 4a
          Length = 394

 Score = 25.0 bits (53), Expect = 7.1
 Identities = 17/49 (34%), Positives = 24/49 (48%), Gaps = 4/49 (8%)

Query: 1   MKAFLGALEFQENEYEELKELYESLKTKQKPHTLFISCVDSRVVPNLIT 49
           +K F   +E +E +YE L +LY+S+   Q      I C   R V  L T
Sbjct: 233 IKQFYVNVEEEEYKYECLTDLYDSISVTQ----AVIFCNTRRKVEELTT 277

  Database: /var/www/html/HP/blast_new/blast/db/pdbaa
    Posted date:  Dec 20, 2002 11:08 AM
  Number of letters in database: 2,899,336
  Number of sequences in database:  13,198
  
Lambda     K      H
   0.318    0.135    0.407 

Gapped
Lambda     K      H
   0.267   0.0410    0.140 


Matrix: BLOSUM62
Gap Penalties: Existence: 11, Extension: 1
Number of Hits to DB: 1,326,356
Number of Sequences: 13198
Number of extensions: 52866
Number of successful extensions: 183
Number of sequences better than 10.0: 12
Number of HSP's better than 10.0 without gapping: 5
Number of HSP's successfully gapped in prelim test: 7
Number of HSP's that attempted gapping in prelim test: 170
Number of HSP's gapped (non-prelim): 13
length of query: 221
length of database: 2,899,336
effective HSP length: 85
effective length of query: 136
effective length of database: 1,777,506
effective search space: 241740816
effective search space used: 241740816
T: 11
A: 40
X1: 16 ( 7.3 bits)
X2: 38 (14.6 bits)
X3: 64 (24.7 bits)
S1: 41 (21.7 bits)
S2: 52 (24.6 bits)