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= Dr_sW_007_D17 (820 letters) Database: Non-redundant SwissProt sequences 184,735 sequences; 68,354,980 total letters Score E Sequences producing significant alignments: (bits) Value sp|O60911|CATL2_HUMAN Cathepsin L2 precursor (Cathepsin V) ... 224 2e-58 sp|Q9GL24|CATL_CANFA Cathepsin L precursor [Contains: Cathe... 217 3e-56 sp|P07711|CATL_HUMAN Cathepsin L precursor (Major excreted ... 217 4e-56 sp|P25975|CATL_BOVIN Cathepsin L precursor [Contains: Cathe... 213 4e-55 sp|Q28944|CATL_PIG Cathepsin L precursor [Contains: Catheps... 212 1e-54 sp|P43236|CATK_RABIT Cathepsin K precursor (OC-2 protein) 210 3e-54 sp|P55097|CATK_MOUSE Cathepsin K precursor 210 4e-54 sp|P07154|CATL_RAT Cathepsin L precursor (Major excreted pr... 210 4e-54 sp|P43235|CATK_HUMAN Cathepsin K precursor (Cathepsin O) (C... 209 6e-54 sp|P61277|CATK_MACMU Cathepsin K precursor >gi|47117667|sp|... 209 6e-54
>sp|O60911|CATL2_HUMAN Cathepsin L2 precursor (Cathepsin V) (Cathepsin U) Length = 334 Score = 224 bits (572), Expect = 2e-58 Identities = 124/274 (45%), Positives = 162/274 (59%), Gaps = 1/274 (0%) Frame = +2 Query: 2 VAVQSAPQSFSIDTKLNDEWEAYKLKFNKKYDPLNELSRRMIWEDNLKYIQQHNLEYDLG 181 + + SA F D L+ +W +K + Y E RR +WE N+K I+ HN EY G Sbjct: 12 LGIASAVPKF--DQNLDTKWYQWKATHRRLYGANEEGWRRAVWEKNMKMIELHNGEYSQG 69 Query: 182 KHSFTLAVNQFTDMTNEEFKAKYLTNISIQRNSTGSSFIVPENVKDLPQSVDWRKRGFVT 361 KH FT+A+N F DMTNEEF+ + + Q+ G F P + DLP+SVDWRK+G+VT Sbjct: 70 KHGFTMAMNAFGDMTNEEFR-QMMGCFRNQKFRKGKVFREPLFL-DLPKSVDWRKKGYVT 127 Query: 362 PVKNQKTCGSCYAFSATGSLEGQYFRKTKKLVSFSEQQIVDCSEEFGNRGCGGGFSKLSF 541 PVKNQK CGSC+AFSATG+LEGQ FRKT KLVS SEQ +VDCS GN+GC GGF +F Sbjct: 128 PVKNQKQCGSCWAFSATGALEGQMFRKTGKLVSLSEQNLVDCSRPQGNQGCNGGFMARAF 187 Query: 542 DXXXXXXXXXXXXXXXXXXXXR-CRYNKSKVIVKSKGFTNIRSRDEEALAQAVAYIGPIS 718 C+Y + GFT + E+AL +AVA +GPIS Sbjct: 188 QYVKENGGLDSEESYPYVAVDEICKYRPENSVANDTGFTVVAPGKEKALMKAVATVGPIS 247 Query: 719 VRIDASRRSFIEYSGNGIYYDPNCDSDHLRHAVL 820 V +DA SF ++ +GIY++P+C S +L H VL Sbjct: 248 VAMDAGHSSF-QFYKSGIYFEPDCSSKNLDHGVL 280
>sp|Q9GL24|CATL_CANFA Cathepsin L precursor [Contains: Cathepsin L heavy chain; Cathepsin L light chain] Length = 333 Score = 217 bits (553), Expect = 3e-56 Identities = 122/275 (44%), Positives = 158/275 (57%), Gaps = 2/275 (0%) Frame = +2 Query: 2 VAVQSAPQSFSIDTKLNDEWEAYKLKFNKKYDPLNELSRRMIWEDNLKYIQQHNLEYDLG 181 + + SA F D LN +W +K + Y E RR +WE N+K I+ HN EY G Sbjct: 12 LGIASAAPKF--DQSLNAQWYQWKATHRRLYGMNEEGWRRAVWEKNMKMIELHNREYSQG 69 Query: 182 KHSFTLAVNQFTDMTNEEFKAKYLTNISIQRNSTGSSFIVPENVKDLPQSVDWRKRGFVT 361 KH FT+A+N F DMTNEEF+ + + Q++ G F P ++P+SVDWR++G+VT Sbjct: 70 KHGFTMAMNAFGDMTNEEFR-QVMNGFQNQKHKKGKMFQEPL-FAEIPKSVDWREKGYVT 127 Query: 362 PVKNQKTCGSCYAFSATGSLEGQYFRKTKKLVSFSEQQIVDCSEEFGNRGCGGGFSKLSF 541 PVKNQ CGSC+AFSATG+LEGQ FRKT KLVS SEQ +VDCS GN GC GG +F Sbjct: 128 PVKNQGQCGSCWAFSATGALEGQMFRKTGKLVSLSEQNLVDCSRAQGNEGCNGGLMDNAF 187 Query: 542 D--XXXXXXXXXXXXXXXXXXXXRCRYNKSKVIVKSKGFTNIRSRDEEALAQAVAYIGPI 715 C Y GF ++ R E+AL +AVA +GPI Sbjct: 188 RYVKDNGGLDSEESYPYLGRDTETCNYKPECSAANDTGFVDLPQR-EKALMKAVATLGPI 246 Query: 716 SVRIDASRRSFIEYSGNGIYYDPNCDSDHLRHAVL 820 SV IDA +SF ++ +GIY+DP+C S L H VL Sbjct: 247 SVAIDAGHQSF-QFYKSGIYFDPDCSSKDLDHGVL 280
>sp|P07711|CATL_HUMAN Cathepsin L precursor (Major excreted protein) (MEP) [Contains: Cathepsin L heavy chain; Cathepsin L light chain] Length = 333 Score = 217 bits (552), Expect = 4e-56 Identities = 117/269 (43%), Positives = 157/269 (58%), Gaps = 1/269 (0%) Frame = +2 Query: 17 APQSFSIDTKLNDEWEAYKLKFNKKYDPLNELSRRMIWEDNLKYIQQHNLEYDLGKHSFT 196 A + + D L +W +K N+ Y E RR +WE N+K I+ HN EY GKHSFT Sbjct: 15 ASATLTFDHSLEAQWTKWKAMHNRLYGMNEEGWRRAVWEKNMKMIELHNQEYREGKHSFT 74 Query: 197 LAVNQFTDMTNEEFKAKYLTNISIQRNSTGSSFIVPENVKDLPQSVDWRKRGFVTPVKNQ 376 +A+N F DMT+EEF+ + + ++ G F P + P+SVDWR++G+VTPVKNQ Sbjct: 75 MAMNAFGDMTSEEFR-QVMNGFQNRKPRKGKVFQEPL-FYEAPRSVDWREKGYVTPVKNQ 132 Query: 377 KTCGSCYAFSATGSLEGQYFRKTKKLVSFSEQQIVDCSEEFGNRGCGGGFSKLSFDXXXX 556 CGSC+AFSATG+LEGQ FRKT +L+S SEQ +VDCS GN GC GG +F Sbjct: 133 GQCGSCWAFSATGALEGQMFRKTGRLISLSEQNLVDCSGPQGNEGCNGGLMDYAFQYVQD 192 Query: 557 XXXXXXXXXXXXXXXXR-CRYNKSKVIVKSKGFTNIRSRDEEALAQAVAYIGPISVRIDA 733 C+YN + GF +I + E+AL +AVA +GPISV IDA Sbjct: 193 NGGLDSEESYPYEATEESCKYNPKYSVANDTGFVDI-PKQEKALMKAVATVGPISVAIDA 251 Query: 734 SRRSFIEYSGNGIYYDPNCDSDHLRHAVL 820 SF+ Y GIY++P+C S+ + H VL Sbjct: 252 GHESFLFYK-EGIYFEPDCSSEDMDHGVL 279
>sp|P25975|CATL_BOVIN Cathepsin L precursor [Contains: Cathepsin L heavy chain; Cathepsin L light chain] Length = 334 Score = 213 bits (543), Expect = 4e-55 Identities = 120/264 (45%), Positives = 150/264 (56%), Gaps = 2/264 (0%) Frame = +2 Query: 35 IDTKLNDEWEAYKLKFNKKYDPLNELSRRMIWEDNLKYIQQHNLEYDLGKHSFTLAVNQF 214 +D L+ W +K + Y E RR +WE N K I HN EY GKH+F +A+N F Sbjct: 21 LDPNLDAHWHQWKATHRRLYGMNEEEWRRAVWEKNKKIIDLHNQEYSEGKHAFRMAMNAF 80 Query: 215 TDMTNEEFKAKYLTNISIQRNSTGSSFIVPENVKDLPQSVDWRKRGFVTPVKNQKTCGSC 394 DMTNEEF+ + + Q++ G F P V D+P+SVDW K+G+VTPVKNQ CGSC Sbjct: 81 GDMTNEEFR-QVMNGFQNQKHKKGKLFHEPLLV-DVPKSVDWTKKGYVTPVKNQGQCGSC 138 Query: 395 YAFSATGSLEGQYFRKTKKLVSFSEQQIVDCSEEFGNRGCGGGFSKLSFD--XXXXXXXX 568 +AFSATG+LEGQ FRKT KLVS SEQ +VDCS GN+GC GG +F Sbjct: 139 WAFSATGALEGQMFRKTGKLVSLSEQNLVDCSRAQGNQGCNGGLMDNAFQYIKDNGGLDS 198 Query: 569 XXXXXXXXXXXXRCRYNKSKVIVKSKGFTNIRSRDEEALAQAVAYIGPISVRIDASRRSF 748 C Y GF +I R E+AL +AVA +GPISV IDA SF Sbjct: 199 EESYPYLATDTNSCNYKPECSAANDTGFVDIPQR-EKALMKAVATVGPISVAIDAGHTSF 257 Query: 749 IEYSGNGIYYDPNCDSDHLRHAVL 820 ++ +GIYYDP+C L H VL Sbjct: 258 -QFYKSGIYYDPDCSCKDLDHGVL 280
>sp|Q28944|CATL_PIG Cathepsin L precursor [Contains: Cathepsin L heavy chain; Cathepsin L light chain] Length = 334 Score = 212 bits (539), Expect = 1e-54 Identities = 118/264 (44%), Positives = 153/264 (57%), Gaps = 2/264 (0%) Frame = +2 Query: 35 IDTKLNDEWEAYKLKFNKKYDPLNELSRRMIWEDNLKYIQQHNLEYDLGKHSFTLAVNQF 214 +D L+ +W +K + Y E RR +WE N+K I+ HN EY GKH F++A+N F Sbjct: 21 LDQNLDADWYKWKATHGRLYGMNEEGWRRAVWEKNMKMIELHNQEYSQGKHGFSMAMNAF 80 Query: 215 TDMTNEEFKAKYLTNISIQRNSTGSSFIVPENVKDLPQSVDWRKRGFVTPVKNQKTCGSC 394 DMTNEEF+ + + Q++ G F V ++P+SVDWR++G+VT VKNQ CGSC Sbjct: 81 GDMTNEEFR-QVMNGFQNQKHKKGKVFH-ESLVLEVPKSVDWREKGYVTAVKNQGQCGSC 138 Query: 395 YAFSATGSLEGQYFRKTKKLVSFSEQQIVDCSEEFGNRGCGGGFSKLSFD--XXXXXXXX 568 +AFSATG+LEGQ FRKT KLVS SEQ +VDCS GN+GC GG +F Sbjct: 139 WAFSATGALEGQMFRKTGKLVSLSEQNLVDCSRPQGNQGCNGGLMDNAFQYVKDNGGLDT 198 Query: 569 XXXXXXXXXXXXRCRYNKSKVIVKSKGFTNIRSRDEEALAQAVAYIGPISVRIDASRRSF 748 C Y GF +I R E+AL +AVA +GPISV IDA SF Sbjct: 199 EESYPYLGRETNSCTYKPECSAANDTGFVDIPQR-EKALMKAVATVGPISVAIDAGHSSF 257 Query: 749 IEYSGNGIYYDPNCDSDHLRHAVL 820 ++ +GIYYDP+C S L H VL Sbjct: 258 -QFYKSGIYYDPDCSSKDLDHGVL 280
>sp|P43236|CATK_RABIT Cathepsin K precursor (OC-2 protein) Length = 329 Score = 210 bits (535), Expect = 3e-54 Identities = 114/262 (43%), Positives = 162/262 (61%), Gaps = 4/262 (1%) Frame = +2 Query: 47 LNDEWEAYKLKFNKKYDP-LNELSRRMIWEDNLKYIQQHNLEYDLGKHSFTLAVNQFTDM 223 L+ +WE +K ++K+Y+ ++E+SRR+IWE NLK+I HNLE LG H++ LA+N DM Sbjct: 22 LDTQWELWKKTYSKQYNSKVDEISRRLIWEKNLKHISIHNLEASLGVHTYELAMNHLGDM 81 Query: 224 TNEEFKAKYLTNISI--QRNSTGSSFIVPENVKDLPQSVDWRKRGFVTPVKNQKTCGSCY 397 T+EE K +T + + R+ + + +P+ P S+D+RK+G+VTPVKNQ CGSC+ Sbjct: 82 TSEEVVQK-MTGLKVPPSRSHSNDTLYIPDWEGRTPDSIDYRKKGYVTPVKNQGQCGSCW 140 Query: 398 AFSATGSLEGQYFRKTKKLVSFSEQQIVDCSEEFGNRGCGGGFSKLSFDXXXXXXXXXXX 577 AFS+ G+LEGQ +KT KL++ S Q +VDC E N GCGGG+ +F Sbjct: 141 AFSSVGALEGQLKKKTGKLLNLSPQNLVDCVSE--NYGCGGGYMTNAFQYVQRNRGIDSE 198 Query: 578 XXXXXXXXXR-CRYNKSKVIVKSKGFTNIRSRDEEALAQAVAYIGPISVRIDASRRSFIE 754 C YN + K +G+ I +E+AL +AVA +GP+SV IDAS SF Sbjct: 199 DAYPYVGQDESCMYNPTGKAAKCRGYREIPEGNEKALKRAVARVGPVSVAIDASLTSFQF 258 Query: 755 YSGNGIYYDPNCDSDHLRHAVL 820 YS G+YYD NC SD++ HAVL Sbjct: 259 YS-KGVYYDENCSSDNVNHAVL 279
>sp|P55097|CATK_MOUSE Cathepsin K precursor Length = 329 Score = 210 bits (534), Expect = 4e-54 Identities = 118/269 (43%), Positives = 162/269 (60%), Gaps = 4/269 (1%) Frame = +2 Query: 26 SFSIDTKLNDEWEAYKLKFNKKYDP-LNELSRRMIWEDNLKYIQQHNLEYDLGKHSFTLA 202 + S + L+ +WE +K K+Y+ ++E+SRR+IWE NLK I HNLE LG H++ LA Sbjct: 15 ALSPEEMLDTQWELWKKTHQKQYNSKVDEISRRLIWEKNLKQISAHNLEASLGVHTYELA 74 Query: 203 VNQFTDMTNEEFKAKYLTNISI--QRNSTGSSFIVPENVKDLPQSVDWRKRGFVTPVKNQ 376 +N DMT+EE K +T + I R+ + + PE +P S+D+RK+G+VTPVKNQ Sbjct: 75 MNHLGDMTSEEVVQK-MTGLRIPPSRSYSNDTLYTPEWEGRVPDSIDYRKKGYVTPVKNQ 133 Query: 377 KTCGSCYAFSATGSLEGQYFRKTKKLVSFSEQQIVDCSEEFGNRGCGGGFSKLSFDXXXX 556 CGSC+AFS+ G+LEGQ +KT KL++ S Q +VDC E N GCGGG+ +F Sbjct: 134 GQCGSCWAFSSAGALEGQLKKKTGKLLALSPQNLVDCVTE--NYGCGGGYMTTAFQYVQQ 191 Query: 557 XXXXXXXXXXXXXXXXR-CRYNKSKVIVKSKGFTNIRSRDEEALAQAVAYIGPISVRIDA 733 C YN + K +G+ I +E+AL +AVA +GPISV IDA Sbjct: 192 NGGIDSEDAYPYVGQDESCMYNATAKAAKCRGYREIPVGNEKALKRAVARVGPISVSIDA 251 Query: 734 SRRSFIEYSGNGIYYDPNCDSDHLRHAVL 820 S SF YS G+YYD NCD D++ HAVL Sbjct: 252 SLASFQFYS-RGVYYDENCDRDNVNHAVL 279
>sp|P07154|CATL_RAT Cathepsin L precursor (Major excreted protein) (MEP) (Cyclic protein 2) (CP-2) [Contains: Cathepsin L heavy chain; Cathepsin L light chain] Length = 334 Score = 210 bits (534), Expect = 4e-54 Identities = 113/262 (43%), Positives = 153/262 (58%), Gaps = 1/262 (0%) Frame = +2 Query: 38 DTKLNDEWEAYKLKFNKKYDPLNELSRRMIWEDNLKYIQQHNLEYDLGKHSFTLAVNQFT 217 D N +W +K + Y E RR +WE N++ IQ HN EY GKH FT+ +N F Sbjct: 22 DQTFNAQWHQWKSTHRRLYGTNEEEWRRAVWEKNMRMIQLHNGEYSNGKHGFTMEMNAFG 81 Query: 218 DMTNEEFKAKYLTNISIQRNSTGSSFIVPENVKDLPQSVDWRKRGFVTPVKNQKTCGSCY 397 DMTNEEF+ + + Q++ G F P ++ +P++VDWR++G VTPVKNQ CGSC+ Sbjct: 82 DMTNEEFR-QIVNGYRHQKHKKGRLFQEPLMLQ-IPKTVDWREKGCVTPVKNQGQCGSCW 139 Query: 398 AFSATGSLEGQYFRKTKKLVSFSEQQIVDCSEEFGNRGCGGGFSKLSFD-XXXXXXXXXX 574 AFSA+G LEGQ F KT KL+S SEQ +VDCS + GN+GC GG +F Sbjct: 140 AFSASGCLEGQMFLKTGKLISLSEQNLVDCSHDQGNQGCNGGLMDFAFQYIKENGGLDSE 199 Query: 575 XXXXXXXXXXRCRYNKSKVIVKSKGFTNIRSRDEEALAQAVAYIGPISVRIDASRRSFIE 754 C+Y + GF +I + E+AL +AVA +GPISV +DAS S ++ Sbjct: 200 ESYPYEAKDGSCKYRAEYAVANDTGFVDI-PQQEKALMKAVATVGPISVAMDASHPS-LQ 257 Query: 755 YSGNGIYYDPNCDSDHLRHAVL 820 + +GIYY+PNC S L H VL Sbjct: 258 FYSSGIYYEPNCSSKDLDHGVL 279
>sp|P43235|CATK_HUMAN Cathepsin K precursor (Cathepsin O) (Cathepsin X) (Cathepsin O2) Length = 329 Score = 209 bits (533), Expect = 6e-54 Identities = 115/261 (44%), Positives = 157/261 (60%), Gaps = 3/261 (1%) Frame = +2 Query: 47 LNDEWEAYKLKFNKKYD-PLNELSRRMIWEDNLKYIQQHNLEYDLGKHSFTLAVNQFTDM 223 L+ WE +K K+Y+ ++E+SRR+IWE NLKYI HNLE LG H++ LA+N DM Sbjct: 22 LDTHWELWKKTHRKQYNNKVDEISRRLIWEKNLKYISIHNLEASLGVHTYELAMNHLGDM 81 Query: 224 TNEEFKAKYL-TNISIQRNSTGSSFIVPENVKDLPQSVDWRKRGFVTPVKNQKTCGSCYA 400 T+EE K + + + + + +PE P SVD+RK+G+VTPVKNQ CGSC+A Sbjct: 82 TSEEVVQKMTGLKVPLSHSRSNDTLYIPEWEGRAPDSVDYRKKGYVTPVKNQGQCGSCWA 141 Query: 401 FSATGSLEGQYFRKTKKLVSFSEQQIVDCSEEFGNRGCGGGFSKLSFDXXXXXXXXXXXX 580 FS+ G+LEGQ +KT KL++ S Q +VDC E N GCGGG+ +F Sbjct: 142 FSSVGALEGQLKKKTGKLLNLSPQNLVDCVSE--NDGCGGGYMTNAFQYVQKNRGIDSED 199 Query: 581 XXXXXXXXR-CRYNKSKVIVKSKGFTNIRSRDEEALAQAVAYIGPISVRIDASRRSFIEY 757 C YN + K +G+ I +E+AL +AVA +GP+SV IDAS SF Y Sbjct: 200 AYPYVGQEESCMYNPTGKAAKCRGYREIPEGNEKALKRAVARVGPVSVAIDASLTSFQFY 259 Query: 758 SGNGIYYDPNCDSDHLRHAVL 820 S G+YYD +C+SD+L HAVL Sbjct: 260 S-KGVYYDESCNSDNLNHAVL 279
>sp|P61277|CATK_MACMU Cathepsin K precursor sp|P61276|CATK_MACFA Cathepsin K precursor Length = 329 Score = 209 bits (533), Expect = 6e-54 Identities = 117/262 (44%), Positives = 160/262 (61%), Gaps = 4/262 (1%) Frame = +2 Query: 47 LNDEWEAYKLKFNKKYDP-LNELSRRMIWEDNLKYIQQHNLEYDLGKHSFTLAVNQFTDM 223 L+ WE +K K+Y+ ++E+SRR+IWE NLKYI HNLE LG H++ LA+N DM Sbjct: 22 LDTHWELWKKTHRKQYNSKVDEISRRLIWEKNLKYISIHNLEASLGVHTYELAMNHLGDM 81 Query: 224 TNEEFKAKYLTNISIQRNSTGSS--FIVPENVKDLPQSVDWRKRGFVTPVKNQKTCGSCY 397 TNEE K +T + + + + S+ +P+ P SVD+RK+G+VTPVKNQ CGSC+ Sbjct: 82 TNEEVVQK-MTGLKVPASHSRSNDTLYIPDWEGRAPDSVDYRKKGYVTPVKNQGQCGSCW 140 Query: 398 AFSATGSLEGQYFRKTKKLVSFSEQQIVDCSEEFGNRGCGGGFSKLSFDXXXXXXXXXXX 577 AFS+ G+LEGQ +KT KL++ S Q +VDC E N GCGGG+ +F Sbjct: 141 AFSSVGALEGQLKKKTGKLLNLSPQNLVDCVSE--NDGCGGGYMTNAFQYVQKNRGIDSE 198 Query: 578 XXXXXXXXXR-CRYNKSKVIVKSKGFTNIRSRDEEALAQAVAYIGPISVRIDASRRSFIE 754 C YN + K +G+ I +E+AL +AVA +GP+SV IDAS SF Sbjct: 199 DAYPYVGQEESCMYNPTGKAAKCRGYREIPEGNEKALKRAVARVGPVSVAIDASLTSFQF 258 Query: 755 YSGNGIYYDPNCDSDHLRHAVL 820 YS G+YYD +C+SD+L HAVL Sbjct: 259 YS-KGVYYDESCNSDNLNHAVL 279
Database: Non-redundant SwissProt sequences Posted date: Dec 6, 2005 7:40 AM Number of letters in database: 68,354,980 Number of sequences in database: 184,735 Database: swissprot.01 Posted date: Dec 6, 2005 8:18 AM Number of letters in database: 66,202,850 Number of sequences in database: 184,431 Lambda K H 0.318 0.134 0.401 Gapped Lambda K H 0.267 0.0410 0.140 Matrix: BLOSUM62 Gap Penalties: Existence: 11, Extension: 1 Number of Hits to DB: 91,360,756 Number of Sequences: 369166 Number of extensions: 1829815 Number of successful extensions: 5626 Number of sequences better than 10.0: 10 Number of HSP's better than 10.0 without gapping: 5016 Number of HSP's successfully gapped in prelim test: 0 Number of HSP's that attempted gapping in prelim test: 0 Number of HSP's gapped (non-prelim): 5336 length of database: 68,354,980 effective HSP length: 109 effective length of database: 48,218,865 effective search space used: 7859674995 frameshift window, decay const: 40, 0.1 T: 12 A: 40 X1: 16 ( 7.3 bits) X2: 38 (14.6 bits) X3: 64 (24.7 bits) S1: 41 (21.7 bits)