Citrus Sinensis ID: 045324
Local Sequence Feature Prediction
| Prediction and (Method) | Result |
|---|
Close Homologs for Annotation Transfer
Close Homologs in the Non-Redundant Database Detected by BLAST 
Original result of BLAST against Nonredundant Database
GI ![]() | Alignment Graph ![]() | Length ![]() |
Definition ![]() |
Q cover ![]() |
H cover ![]() |
Identity ![]() |
E-value ![]() |
| Query | 394 | ||||||
| 224080782 | 390 | predicted protein [Populus trichocarpa] | 0.987 | 0.997 | 0.691 | 1e-167 | |
| 255565593 | 434 | sialyltransferase, putative [Ricinus com | 0.984 | 0.894 | 0.696 | 1e-165 | |
| 225464982 | 389 | PREDICTED: CMP-N-acetylneuraminate-beta- | 0.982 | 0.994 | 0.694 | 1e-163 | |
| 147767984 | 389 | hypothetical protein VITISV_027339 [Viti | 0.982 | 0.994 | 0.689 | 1e-161 | |
| 70663492 | 384 | sialyltransferase-like protein [Gossypiu | 0.956 | 0.981 | 0.704 | 1e-159 | |
| 449505424 | 388 | PREDICTED: CMP-N-acetylneuraminate-beta- | 0.984 | 1.0 | 0.644 | 1e-155 | |
| 449463074 | 388 | PREDICTED: alpha-N-acetylgalactosaminide | 0.984 | 1.0 | 0.637 | 1e-154 | |
| 357471707 | 421 | Beta-galactoside alpha-2,6-sialyltransfe | 0.967 | 0.904 | 0.645 | 1e-150 | |
| 356539272 | 439 | PREDICTED: CMP-N-acetylneuraminate-beta- | 0.984 | 0.883 | 0.65 | 1e-145 | |
| 356544718 | 445 | PREDICTED: uncharacterized protein LOC10 | 0.987 | 0.874 | 0.620 | 1e-140 |
| >gi|224080782|ref|XP_002306228.1| predicted protein [Populus trichocarpa] gi|222849192|gb|EEE86739.1| predicted protein [Populus trichocarpa] | Back alignment and taxonomy information |
|---|
Score = 594 bits (1532), Expect = e-167, Method: Compositional matrix adjust.
Identities = 273/395 (69%), Positives = 332/395 (84%), Gaps = 6/395 (1%)
Query: 1 MKRPLRPVFTILLLTILAVTLIFRIAVHGGGFFASLELENKIVIVEEQAPVFNSTFLKLA 60
MKR +RP+F+ILLL + A+TL RI + G +E E +I++++ PVFNST LK +
Sbjct: 1 MKRSVRPLFSILLLVVFALTLSCRILIPRGDGVGFIEFEKPKLILQKKVPVFNSTLLKYS 60
Query: 61 AIDLGEEKSKQEIERLLEGNFDSPGRHRTFASWRRF-HHDARSRLSSSSSSSGISMTLRS 119
AID+GEE++K EIE LLEGNFDS GR+R+FA+WRRF HHD R+R SS GI + LRS
Sbjct: 61 AIDIGEEQAKHEIEELLEGNFDSRGRYRSFATWRRFNHHDVRAR-----SSRGIPLMLRS 115
Query: 120 PMFYRYWLDFRRNLNDWARKKKFQSDVMNDLVRLVKHSIDKHNGLIGSDKKYESCAVVGN 179
P FYRYWLDFRR L+DWARKK++Q ++M++L+ L+K ID+HNGL+GS+++Y SCAVVGN
Sbjct: 116 PQFYRYWLDFRRALHDWARKKRYQPEIMDELIGLLKGPIDRHNGLVGSERRYGSCAVVGN 175
Query: 180 SGILLNSNYGDLIDSHEMVIRLNNARIERYEQHVGSKTSLSFVNSNILHLCARREGCFCH 239
SGIL+ YG+LID HE+VIRLNNAR ERYE++VG+KT++SFVNSNILHLC RR+GCFCH
Sbjct: 176 SGILMQKEYGELIDRHEVVIRLNNARTERYERNVGAKTNISFVNSNILHLCGRRQGCFCH 235
Query: 240 PYGENVPMIMYICQPMHFLDYTRCNGSHKAPLLITDPRFDMLCSRIVKYYSLKGFVEETG 299
PYG NVPM+MYICQP HFLDYT CN SH APL++TDPRFD+LC+RIVKYYSLK FVEETG
Sbjct: 236 PYGANVPMVMYICQPAHFLDYTVCNSSHDAPLIVTDPRFDLLCARIVKYYSLKRFVEETG 295
Query: 300 KSLEEWGSAHEGSLFHYSSGMQAVMLSLGICDKVSIFGFGKSAAAKHHYHTNQKAELHLH 359
KSL+EWGSAH+GS+FHYSSGMQAVML++GICDKVSIFGFGKSA A+HHYHTNQKAEL LH
Sbjct: 296 KSLDEWGSAHDGSMFHYSSGMQAVMLAVGICDKVSIFGFGKSALARHHYHTNQKAELKLH 355
Query: 360 DYNAEYVFYHDLVKNQRAVPFISDKFKIPPVVVHH 394
DY AEY YHDLV N +AVPFI+DKFK P V++
Sbjct: 356 DYEAEYDLYHDLVNNPQAVPFITDKFKFPAAVIYQ 390
|
Source: Populus trichocarpa Species: Populus trichocarpa Genus: Populus Family: Salicaceae Order: Malpighiales Class: Phylum: Streptophyta Superkingdom: Eukaryota |
| >gi|255565593|ref|XP_002523786.1| sialyltransferase, putative [Ricinus communis] gi|223536874|gb|EEF38512.1| sialyltransferase, putative [Ricinus communis] | Back alignment and taxonomy information |
|---|
| >gi|225464982|ref|XP_002277132.1| PREDICTED: CMP-N-acetylneuraminate-beta-galactosamide-alpha-2, 3-sialyltransferase 1-like [Vitis vinifera] | Back alignment and taxonomy information |
|---|
| >gi|147767984|emb|CAN64919.1| hypothetical protein VITISV_027339 [Vitis vinifera] | Back alignment and taxonomy information |
|---|
| >gi|70663492|emb|CAJ15145.1| sialyltransferase-like protein [Gossypium raimondii] | Back alignment and taxonomy information |
|---|
| >gi|449505424|ref|XP_004162465.1| PREDICTED: CMP-N-acetylneuraminate-beta-galactosamide-alpha-2, 3-sialyltransferase 1-like [Cucumis sativus] | Back alignment and taxonomy information |
|---|
| >gi|449463074|ref|XP_004149259.1| PREDICTED: alpha-N-acetylgalactosaminide alpha-2,6-sialyltransferase 2-like [Cucumis sativus] | Back alignment and taxonomy information |
|---|
| >gi|357471707|ref|XP_003606138.1| Beta-galactoside alpha-2,6-sialyltransferase [Medicago truncatula] gi|70663500|emb|CAJ15149.1| sialyltransferase-like protein [Medicago truncatula] gi|355507193|gb|AES88335.1| Beta-galactoside alpha-2,6-sialyltransferase [Medicago truncatula] | Back alignment and taxonomy information |
|---|
| >gi|356539272|ref|XP_003538123.1| PREDICTED: CMP-N-acetylneuraminate-beta-galactosamide-alpha-2, 3-sialyltransferase 1-like [Glycine max] | Back alignment and taxonomy information |
|---|
| >gi|356544718|ref|XP_003540794.1| PREDICTED: uncharacterized protein LOC100816284 [Glycine max] | Back alignment and taxonomy information |
|---|
Prediction of Gene Ontology (GO) Terms
Close Homologs with Gene Ontology terms Detected by BLAST 
Original result of BLAST against Gene Ontology (AMIGO)
ID ![]() |
Alignment graph ![]() |
Length ![]() |
Definition ![]() |
Q cover ![]() |
H cover ![]() |
Identity ![]() |
E-value ![]() |
| Query | 394 | ||||||
| TAIR|locus:2199993 | 398 | AT1G08280 [Arabidopsis thalian | 0.994 | 0.984 | 0.537 | 1.1e-112 | |
| RGD|1309373 | 340 | St3gal1 "ST3 beta-galactoside | 0.220 | 0.255 | 0.418 | 9.7e-16 | |
| UNIPROTKB|E9PSJ1 | 340 | St3gal1 "Protein St3gal1" [Rat | 0.220 | 0.255 | 0.418 | 9.7e-16 | |
| MGI|MGI:98304 | 337 | St3gal1 "ST3 beta-galactoside | 0.220 | 0.258 | 0.418 | 1.2e-15 | |
| ZFIN|ZDB-GENE-060321-1 | 321 | st3gal1 "ST3 beta-galactoside | 0.223 | 0.274 | 0.395 | 2.2e-14 | |
| ZFIN|ZDB-GENE-060321-2 | 330 | st3gal1l "ST3 beta-galactoside | 0.228 | 0.272 | 0.378 | 1.4e-13 | |
| UNIPROTKB|F1RRV7 | 343 | ST3GAL1 "CMP-N-acetylneuramina | 0.228 | 0.262 | 0.388 | 4.1e-13 | |
| UNIPROTKB|Q02745 | 343 | ST3GAL1 "CMP-N-acetylneuramina | 0.228 | 0.262 | 0.388 | 4.1e-13 | |
| UNIPROTKB|Q11201 | 340 | ST3GAL1 "CMP-N-acetylneuramina | 0.225 | 0.261 | 0.385 | 1.9e-12 | |
| ZFIN|ZDB-GENE-120426-1 | 317 | st3gal1l2 "ST3 beta-galactosid | 0.233 | 0.290 | 0.36 | 1.9e-12 |
| TAIR|locus:2199993 AT1G08280 [Arabidopsis thaliana (taxid:3702)] | Back alignment and assigned GO terms |
|---|
Score = 1112 (396.5 bits), Expect = 1.1e-112, P = 1.1e-112
Identities = 215/400 (53%), Positives = 272/400 (68%)
Query: 1 MKRPLRPVFXXXXXXXXXXXXXFRIAVHGGGF-FASL--ELENKIVIVEEQAPVFNSTFL 57
MKR +RP+F R+A+ F FAS EL + ++ E+ VFN T L
Sbjct: 1 MKRSVRPLFSALLFAFFAATLICRVAIRRSSFSFASAIAELGSSGLMTEDI--VFNETLL 58
Query: 58 KLAAIDLGEEKSKQEIERLLEGNFDSPGRHRTFASWR-RFHHDAXXXXXXXXXXXXXXXX 116
+ AAID GE KQE++ + + + R F+S R
Sbjct: 59 EFAAIDPGEPNFKQEVDLISDYDHTRRSHRRHFSSMSIRPSEQQRRVSRDIASSSKFPVT 118
Query: 117 XXXPMFYRYWLDFRRNLNDWARKKKFQSDVMNDLVRLVKHSIDKHNGLIG-SDKKYESCA 175
YRYW +F+RNL WAR++ ++ ++M DL+RLVK+ ID HNG++ S ++Y SCA
Sbjct: 119 LRSSQAYRYWSEFKRNLRLWARRRAYEPNIMLDLIRLVKNPIDVHNGVVSISSERYLSCA 178
Query: 176 VVGNSGILLNSNYGDLIDSHEMVIRLNNARIERYEQHVGSKTSLSFVNSNILHLCARREG 235
VVGNSG LLNS YGDLID HE+VIRLNNA+ ER+E+ VGSKT++SF+NSNILH C RRE
Sbjct: 179 VVGNSGTLLNSQYGDLIDKHEIVIRLNNAKTERFEKKVGSKTNISFINSNILHQCGRRES 238
Query: 236 CFCHPYGENVPMIMYICQPMHFLDYTRCNGSHKAPLLITDPRFDMLCSRIVKYYSLKGFV 295
C+CHPYGE VP++MYICQP+H LDYT C SH+APLLITDPRFD++C+RIVKYYS+K F+
Sbjct: 239 CYCHPYGETVPIVMYICQPIHVLDYTLCKPSHRAPLLITDPRFDVMCARIVKYYSVKKFL 298
Query: 296 EET-GKSLEEWGSAHEGSLFHYSSGMQAVMLSLGICDKVSIFGFGKSAAAKHHYHTNQKA 354
EE K +W HEGSLFHYSSGMQAVML++GIC+KVS+FGFGK + KHHYHTNQKA
Sbjct: 299 EEKKAKGFVDWSKDHEGSLFHYSSGMQAVMLAVGICEKVSVFGFGKLNSTKHHYHTNQKA 358
Query: 355 ELHLHDYNAEYVFYHDLVKNQRAVPFISDKFKIPPVVVHH 394
EL LHDY AEY Y DL + RA+PF+ +FKIP V V+H
Sbjct: 359 ELKLHDYEAEYRLYRDLENSPRAIPFLPKEFKIPLVQVYH 398
|
|
| RGD|1309373 St3gal1 "ST3 beta-galactoside alpha-2,3-sialyltransferase 1" [Rattus norvegicus (taxid:10116)] | Back alignment and assigned GO terms |
|---|
| UNIPROTKB|E9PSJ1 St3gal1 "Protein St3gal1" [Rattus norvegicus (taxid:10116)] | Back alignment and assigned GO terms |
|---|
| MGI|MGI:98304 St3gal1 "ST3 beta-galactoside alpha-2,3-sialyltransferase 1" [Mus musculus (taxid:10090)] | Back alignment and assigned GO terms |
|---|
| ZFIN|ZDB-GENE-060321-1 st3gal1 "ST3 beta-galactoside alpha-2,3-sialyltransferase 1" [Danio rerio (taxid:7955)] | Back alignment and assigned GO terms |
|---|
| ZFIN|ZDB-GENE-060321-2 st3gal1l "ST3 beta-galactoside alpha-2,3-sialyltransferase 1, like" [Danio rerio (taxid:7955)] | Back alignment and assigned GO terms |
|---|
| UNIPROTKB|F1RRV7 ST3GAL1 "CMP-N-acetylneuraminate-beta-galactosamide-alpha-2,3-sialyltransfe rase 1" [Sus scrofa (taxid:9823)] | Back alignment and assigned GO terms |
|---|
| UNIPROTKB|Q02745 ST3GAL1 "CMP-N-acetylneuraminate-beta-galactosamide-alpha-2,3-sialyltransfe rase 1" [Sus scrofa (taxid:9823)] | Back alignment and assigned GO terms |
|---|
| UNIPROTKB|Q11201 ST3GAL1 "CMP-N-acetylneuraminate-beta-galactosamide-alpha-2,3-sialyltransfe rase 1" [Homo sapiens (taxid:9606)] | Back alignment and assigned GO terms |
|---|
| ZFIN|ZDB-GENE-120426-1 st3gal1l2 "ST3 beta-galactoside alpha-2,3-sialyltransferase 1, like 2" [Danio rerio (taxid:7955)] | Back alignment and assigned GO terms |
|---|
Prediction of Enzyme Commission (EC) Number
EC Number Prediction by Ezypred Server 
Original result from Ezypred Server
Fail to connect to Ezypred Server
Prediction of Functionally Associated Proteins
Functionally Associated Proteins Detected by STRING 
Original result from the STRING server
Fail to connect to STRING server
Conserved Domains and Related Protein Families
Conserved Domains Detected by RPS-BLAST 
Original result of RPS-BLAST against CDD database part I
ID ![]() | Alignment Graph ![]() | Length ![]() |
Definition ![]() |
E-value ![]() |
| Query | 394 | |||
| pfam00777 | 268 | pfam00777, Glyco_transf_29, Glycosyltransferase fa | 4e-31 |
| >gnl|CDD|216114 pfam00777, Glyco_transf_29, Glycosyltransferase family 29 (sialyltransferase) | Back alignment and domain information |
|---|
Score = 119 bits (300), Expect = 4e-31
Identities = 67/265 (25%), Positives = 94/265 (35%), Gaps = 40/265 (15%)
Query: 123 YRYWLDFRRNLNDWARKKKFQSDVMNDLVRLVKHSIDKHNGLIGSDKKYESCAVVGNSGI 182
Y+ W + + + L L+ + CAVVGN GI
Sbjct: 20 YKLWYPLGL--------RGSEPLISEALSSLLPKDSPFLLK---QSGRCRRCAVVGNGGI 68
Query: 183 LLNSNYGDLIDSHEMVIRLNNARIERYEQHVGSKTSLSFVNSNILHLCARREGCFCHPYG 242
L NS+ G IDSH+ VIR N A + YE+ VGSKT+L N Y
Sbjct: 69 LKNSSLGKEIDSHDFVIRCNLAPTKGYEKDVGSKTTLRTFNPESAP----------KSYQ 118
Query: 243 ENVPMIMYICQPMHFLD-------YTRCNGSHKAPLLITDPRFDMLCSRIVKYYSLK-GF 294
E ++ P LD T+ G + K L F
Sbjct: 119 ELDRNTFFVLVPFKGLDLLWLPAFLTK--GLGTYRSFWKYVALRIPLDP-QKVRILNPEF 175
Query: 295 VEETGKSLEEWGSAHEGSLFHYSSGMQAVMLSLGICDKVSIFGFG--KSAAAKHHYHTNQ 352
+ E G S+G+ A+ L+L +CD+V ++GFG HHY+ N
Sbjct: 176 LRYVANFWLEKPEGIHGK--RPSTGLLALTLALHLCDEVHLYGFGPFDRKPIPHHYYDNV 233
Query: 353 K----AELHLHDYNAEYVFYHDLVK 373
K HD E++ L K
Sbjct: 234 KPKAMTFGAYHDMPYEFLLLKRLHK 258
|
Members of this family belong to glycosyltransferase family 29. Length = 268 |
Conserved Domains Detected by HHsearch 
Original result of HHsearch against CDD database
ID ![]() | Alignment Graph ![]() | Length ![]() |
Definition ![]() |
Probability ![]() |
| Query | 394 | |||
| PF00777 | 266 | Glyco_transf_29: Glycosyltransferase family 29 (si | 100.0 | |
| KOG2692 | 376 | consensus Sialyltransferase [Carbohydrate transpor | 100.0 | |
| PF06002 | 291 | CST-I: Alpha-2,3-sialyltransferase (CST-I); InterP | 94.2 |
| >PF00777 Glyco_transf_29: Glycosyltransferase family 29 (sialyltransferase); InterPro: IPR001675 The biosynthesis of disaccharides, oligosaccharides and polysaccharides involves the action of hundreds of different glycosyltransferases | Back alignment and domain information |
|---|
Probab=100.00 E-value=5e-52 Score=401.43 Aligned_cols=215 Identities=28% Similarity=0.407 Sum_probs=115.1
Q ss_pred hHHHHHHHHhccCCccccCCCCCCCCCcceEEEEcCCCcCCCCCCCccccccchhhhcCcccccccccccCCCccccccc
Q 045324 144 SDVMNDLVRLVKHSIDKHNGLIGSDKKYESCAVVGNSGILLNSNYGDLIDSHEMVIRLNNARIERYEQHVGSKTSLSFVN 223 (394)
Q Consensus 144 p~v~~~l~~~i~~p~~~~~~~~~~~~~c~rCAVVGNSGIL~gS~~G~eIDshD~VIR~N~AP~~GfE~DVGsKTtl~~~n 223 (394)
..+.+.+..++|.+..... .....+|++||||||||||+||+||+|||+||||||||+||++|||+|||+|||++++|
T Consensus 33 ~~i~~~l~~l~~~~~p~~~--~~~~~~~~~CAVVGNsGiL~~S~~G~eID~~D~ViR~N~aP~~gfe~DVG~kT~~~~~n 110 (266)
T PF00777_consen 33 FKISKELYKLLPESSPFSL--KHFKRRCRTCAVVGNSGILLGSGCGKEIDSHDFVIRMNLAPVKGFEKDVGSKTTLRTMN 110 (266)
T ss_dssp --HHHHHHHHTTT-S-S-----TTTTG--EEEEE--BGGGTT---HHHHHTSSEEEEETT---TT-HHHH-S--SEEEEB
T ss_pred hhHHHHHHHhCcccCcccc--ccccCCCCeEEEEcCChHhccCccccccccCeeEEecCCccccccccccCccccccccC
Confidence 4567888888886432111 11234499999999999999999999999999999999999999999999999999999
Q ss_pred chhhhhhhccCCccccCCCCCCCeEEEEecccchhhhhhhcCC----------CCCC---ceecCCccchhhhhhhhhcc
Q 045324 224 SNILHLCARREGCFCHPYGENVPMIMYICQPMHFLDYTRCNGS----------HKAP---LLITDPRFDMLCSRIVKYYS 290 (394)
Q Consensus 224 ~sil~~~~~~~~~~~~~y~~~v~~vl~i~~P~~~ld~~~~~~~----------~k~~---~~i~~p~f~~l~~ri~~y~~ 290 (394)
++++.... ..+.++..+ ...+.+..++.|.... +... ......++.+++|.++++
T Consensus 111 ~~~~~~~~-------~~~~~~~~~---~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~p~~~~~-- 178 (266)
T PF00777_consen 111 PSSLQRRY-------NLLDKDTFL---VLLPFKGSDLVWLPAFSSKKNTRKSFWAYKALEKKYPNQKVRILHPEFLRY-- 178 (266)
T ss_dssp TTB----------------TT-EE---EE--SSHHHHHHHHHHTTT-----BSSSB--S-----GGGEEEB-HHHHHH--
T ss_pred hhHhhhhc-------cccccccce---eccccccchhhhhhhhhccccccccccchhhhhhccCcceeeecCHHHHhh--
Confidence 99985421 112333322 2234544444443110 0000 001112333445544433
Q ss_pred cchhhhhhhhhhhhhccccCCCccccChHHHHHHHHhhcCCeEEEeeeec--CCCCcCcccCCCCCC----CCCCChHHH
Q 045324 291 LKGFVEETGKSLEEWGSAHEGSLFHYSSGMQAVMLSLGICDKVSIFGFGK--SAAAKHHYHTNQKAE----LHLHDYNAE 364 (394)
Q Consensus 291 ~~~Fl~~t~~~~~~W~~~~~~~~~~pSTG~lav~lAL~lCDeV~vYGFg~--~~~~~~HYye~~~~~----~~~Hd~~~E 364 (394)
....|..... ...+||||++++++||++||||+|||||| ....+|||||+.+.. ...|+|+.|
T Consensus 179 ----------~~~~~~~~~~-~~~~pSTG~~~~~~Al~~CD~V~lYGF~p~~~~~~~~HYyd~~~~~~~~~~~~H~~~~E 247 (266)
T PF00777_consen 179 ----------IWRFWLRRGG-RGNRPSTGLMAVSLALHFCDEVHLYGFWPPDNRTVPYHYYDNVKPKPCFFYKNHDMPAE 247 (266)
T ss_dssp ----------HHHHTSTT----SSS--HHHHHHHHHHHH-SEEEEES-S---TTS---BTTB------------S-HHHH
T ss_pred ----------HHHHhhhhhc-cccCCCccHHHHHHHhcCCCeEEEEEEEecCCCCCccccccCccccccCCCCCCCCHHH
Confidence 2345654322 45689999999999999999999999999 346899999996532 346999999
Q ss_pred HHHHHHHHHcCCCcccccCC
Q 045324 365 YVFYHDLVKNQRAVPFISDK 384 (394)
Q Consensus 365 ~~~l~~L~~~~~~~~fit~k 384 (394)
++++++||+. ++++++++|
T Consensus 248 ~~~~~~L~~~-Gvi~l~~g~ 266 (266)
T PF00777_consen 248 FRLLKRLHKQ-GVIKLHTGK 266 (266)
T ss_dssp HHHHHHHHHT-TSSEEE---
T ss_pred HHHHHHHHHC-CCeEEecCC
Confidence 9999999988 888988876
|
These enzymes catalyse the transfer of sugar moieties from activated donor molecules to specific acceptor molecules, forming glycosidic bonds. A classification of glycosyltransferases using nucleotide diphospho-sugar, nucleotide monophospho-sugar and sugar phosphates (2.4.1.- from EC) and related proteins into distinct sequence based families has been described []. This classification is available on the CAZy (CArbohydrate-Active EnZymes) web site. The same three-dimensional fold is expected to occur within each of the families. Because 3-D structures are better conserved than sequences, several of the families defined on the basis of sequence similarities may have similar 3-D structures and therefore form 'clans'. Glycosyltransferase family 29 (GT29 from CAZY) comprises enzymes with a number of known activities; sialyltransferase (2.4.99 from EC), beta-galactosamide alpha-2,6-sialyltransferase (2.4.99.1 from EC), alpha-N-acetylgalactosaminide alpha-2,6-sialyltransferase (2.4.99.3 from EC), beta-galactoside alpha-2,3-sialyltransferase (2.4.99.4 from EC), N-acetyllactosaminide alpha-2,3-sialyltransferase (2.4.99.6 from EC), alpha-N-acetyl-neuraminide alpha-2,8-sialyltransferase (2.4.99.8 from EC); lactosylceramide alpha-2,3-sialyltransferase (2.4.99.9 from EC). These enzymes use a nucleotide monophosphosugar as the donor (CMP-NeuA) instead of a nucleotide diphosphosugar. Sialyltransferase may be responsible for the synthesis of the sequence NEUAC-Alpha-2,3-GAL-Beta-1,3-GALNAC-, found on sugar chains O-linked to thr or ser and also as a terminal sequenec on certain gagnliosides. These enzymes catalyse sialyltransfer reactions during glycosylation, and are type II membrane proteins.; GO: 0008373 sialyltransferase activity, 0006486 protein glycosylation, 0030173 integral to Golgi membrane; PDB: 2WNF_A 2WML_A 2WNB_A. |
| >KOG2692 consensus Sialyltransferase [Carbohydrate transport and metabolism] | Back alignment and domain information |
|---|
| >PF06002 CST-I: Alpha-2,3-sialyltransferase (CST-I); InterPro: IPR009251 This entry represents several alpha-2,3-sialyltransferase (2 | Back alignment and domain information |
|---|
Homologous Structure Templates
Structure Templates Detected by BLAST 
Original result of BLAST against Protein Data Bank
ID ![]() | Alignment Graph ![]() | Length ![]() |
Definition ![]() |
E-value ![]() | |
| Query | 394 | ||||
| 2wml_A | 298 | Crystal Structure Of A Mammalian Sialyltransferase | 2e-14 | ||
| 2wnb_A | 298 | Crystal Structure Of A Mammalian Sialyltransferase | 4e-14 |
| >pdb|2WML|A Chain A, Crystal Structure Of A Mammalian Sialyltransferase Length = 298 | Back alignment and structure |
|
| >pdb|2WNB|A Chain A, Crystal Structure Of A Mammalian Sialyltransferase In Complex With Disaccharide And Cmp Length = 298 | Back alignment and structure |
Structure Templates Detected by RPS-BLAST 
Original result of RPS-BLAST against PDB70 database
ID ![]() | Alignment Graph ![]() | Length ![]() |
Definition ![]() |
E-value ![]() |
| Query | 394 | |||
| 2wnf_A | 298 | CMP-N-acetylneuraminate-beta-galactosamide-alpha- | 3e-35 | |
| 1vt4_I | 1221 | APAF-1 related killer DARK; drosophila apoptosome, | 3e-08 | |
| 1vt4_I | 1221 | APAF-1 related killer DARK; drosophila apoptosome, | 4e-05 |
| >2wnf_A CMP-N-acetylneuraminate-beta-galactosamide-alpha- 2,3-sialyltransferase; glycosyltransferase, disulfide bond, golgi apparatus, glycoprotein; HET: CG3 A2G GAL; 1.25A {Sus scrofa} PDB: 2wnb_A* 2wml_A Length = 298 | Back alignment and structure |
|---|
Score = 130 bits (328), Expect = 3e-35
Identities = 63/262 (24%), Positives = 102/262 (38%), Gaps = 30/262 (11%)
Query: 119 SPMFYRYWLDFRRNLNDWARKKKFQSDVMNDLVRLVKHSIDKHNGLIGSDKKYESCAVVG 178
Y++WL +R D + +L ++V ++D CAVVG
Sbjct: 52 EEDTYKWWLRLQREKQPNNLN-----DTIRELFQVVPGNVDPLLEK--RLVSCRRCAVVG 104
Query: 179 NSGILLNSNYGDLIDSHEMVIRLNNARIERYEQHVGSKTSLSFVNSNILHLCARREGCFC 238
NSG L S YG IDSH+ V+R+N A E +E VGSKT+ FV A+
Sbjct: 105 NSGNLKESYYGPQIDSHDFVLRMNKAPTEGFEADVGSKTTHHFVYPESFRELAQEVSMIL 164
Query: 239 HPYGENVPMIMYICQPMHFLDYTRCNGSHKAPLLITDPRFDMLCSRIVKYYSLKGFVEET 298
P+ + ++ + A + + + + +KY
Sbjct: 165 VPFKTT--DLEWVISATTTGRISHTYVPVPAKIKVKKEKILIYHPAFIKY---------- 212
Query: 299 GKSLEEWGSAHEGSLFHYSSGMQAVMLSLGICDKVSIFGFGKSAAAK-HHYHTNQKAEL- 356
+ +G + S+G+ +V+ SL ICD+V ++GFG + HHY N +
Sbjct: 213 -----VFDRWLQGHGRYPSTGILSVIFSLHICDEVDLYGFGADSKGNWHHYWENNPSAGA 267
Query: 357 ----HLHDYNAEYVFYHDLVKN 374
+HD + E L
Sbjct: 268 FRKTGVHDGDFESNVTTILASI 289
|
| >1vt4_I APAF-1 related killer DARK; drosophila apoptosome, apoptosis, programmed cell death; HET: DTP; 6.90A {Drosophila melanogaster} PDB: 3iz8_A* Length = 1221 | Back alignment and structure |
|---|
| >1vt4_I APAF-1 related killer DARK; drosophila apoptosome, apoptosis, programmed cell death; HET: DTP; 6.90A {Drosophila melanogaster} PDB: 3iz8_A* Length = 1221 | Back alignment and structure |
|---|
Structure Templates Detected by HHsearch 
Original result of HHsearch against PDB70 database
ID ![]() | Alignment Graph ![]() | Length ![]() |
Definition ![]() |
Probability ![]() |
| Query | 394 | |||
| 2wnf_A | 298 | CMP-N-acetylneuraminate-beta-galactosamide-alpha- | 100.0 | |
| 1ro7_A | 259 | Alpha-2,3/8-sialyltransferase; mixed alpha/beta, r | 99.83 | |
| 2p2v_A | 288 | Alpha-2,3-sialyltransferase; mixed alpha-beta; HET | 99.82 | |
| 2wqq_A | 291 | Alpha-2,3-/2,8-sialyltransferase; GTA, cstii, glyc | 99.78 |
| >2wnf_A CMP-N-acetylneuraminate-beta-galactosamide-alpha- 2,3-sialyltransferase; glycosyltransferase, disulfide bond, golgi apparatus, glycoprotein; HET: CG3 A2G GAL; 1.25A {Sus scrofa} PDB: 2wnb_A* 2wml_A | Back alignment and structure |
|---|
Probab=100.00 E-value=4.8e-55 Score=428.42 Aligned_cols=232 Identities=30% Similarity=0.484 Sum_probs=169.3
Q ss_pred ccCCchhHHhHHHhhhhchhhHhhhcchhHHHHHHHHhccCCccccCCCCCCCCCcceEEEEcCCCcCCCCCCCcccccc
Q 045324 116 TLRSPMFYRYWLDFRRNLNDWARKKKFQSDVMNDLVRLVKHSIDKHNGLIGSDKKYESCAVVGNSGILLNSNYGDLIDSH 195 (394)
Q Consensus 116 ~l~~~~~~~~Wl~~~~~~~~W~rl~~~~p~v~~~l~~~i~~p~~~~~~~~~~~~~c~rCAVVGNSGIL~gS~~G~eIDsh 195 (394)
..+++++++||+.++...+. .....+++++++++|.+.+.. ......+|++||||||||||+||+||+|||+|
T Consensus 49 ~~~~~~~~~~w~~l~~~~~~-----~~~~~v~~~l~~~lP~~~~~~--~~~~~~~~~~CAVVGNsGiL~~S~~G~eIDs~ 121 (298)
T 2wnf_A 49 AHLEEDTYKWWLRLQREKQP-----NNLNDTIRELFQVVPGNVDPL--LEKRLVSCRRCAVVGNSGNLKESYYGPQIDSH 121 (298)
T ss_dssp CCCCHHHHHHHHHHHCCSSC-----CCHHHHHHHHTTTSCSCCCTT--TTGGGCSCCEEEEECCBGGGTTCCCHHHHHTS
T ss_pred CCCCHHHHHHHHhccccccc-----ccHHHHHHHHHHhCCCccccc--cccccCCCCeEEEECCccccCCCCccccccch
Confidence 34567889999999987542 234568899999998864311 11234799999999999999999999999999
Q ss_pred chhhhcCcccccccccccCCCcccccccchhhhhhhccCCccccCCCCCCCeEEEEecccchhhhhhhcCC---------
Q 045324 196 EMVIRLNNARIERYEQHVGSKTSLSFVNSNILHLCARREGCFCHPYGENVPMIMYICQPMHFLDYTRCNGS--------- 266 (394)
Q Consensus 196 D~VIR~N~AP~~GfE~DVGsKTtl~~~n~sil~~~~~~~~~~~~~y~~~v~~vl~i~~P~~~ld~~~~~~~--------- 266 (394)
|||||||+|||+|||+|||+|||++++|++++. .+++++.++ ..|++..++.|....
T Consensus 122 D~ViR~N~aP~~gye~DVG~KTt~~~~n~~s~~-----------~~~~~~~~v---~~~~~~~~~~w~~~~~~~~~~~~~ 187 (298)
T 2wnf_A 122 DFVLRMNKAPTEGFEADVGSKTTHHFVYPESFR-----------ELAQEVSMI---LVPFKTTDLEWVISATTTGRISHT 187 (298)
T ss_dssp SEEEEETTCCCTTCHHHHCSCCSEEEEBTTBCC-----------CCCTTCEEE---ECCSSHHHHHHHHHHTTTCCCCBS
T ss_pred hheeccCcCCcCcccccCccCceeEEecccccc-----------ccCCCceEE---EeecCccchhhhhHhhcCCcccch
Confidence 999999999999999999999999999988642 345554444 357776666553110
Q ss_pred CC-CCcee--cCCccchhhhhhhhhcccchhhhhhhhhhhhhccccCCCccccChHHHHHHHHhhcCCeEEEeeeecCCC
Q 045324 267 HK-APLLI--TDPRFDMLCSRIVKYYSLKGFVEETGKSLEEWGSAHEGSLFHYSSGMQAVMLSLGICDKVSIFGFGKSAA 343 (394)
Q Consensus 267 ~k-~~~~i--~~p~f~~l~~ri~~y~~~~~Fl~~t~~~~~~W~~~~~~~~~~pSTG~lav~lAL~lCDeV~vYGFg~~~~ 343 (394)
+. .+..+ ....+.+++|++++| ..+.|...+ ..+||||++++++||++||||+||||+++..
T Consensus 188 ~~~~~~~~~~~~~~v~i~~P~~~~~------------~~~~w~~~~---~~~pSTG~~~v~lAl~~CDeV~lYGF~~d~~ 252 (298)
T 2wnf_A 188 YVPVPAKIKVKKEKILIYHPAFIKY------------VFDRWLQGH---GRYPSTGILSVIFSLHICDEVDLYGFGADSK 252 (298)
T ss_dssp SSBCCSCCCCCGGGEEEBCHHHHHH------------HHHHTSTTC---SSSCCHHHHHHHHHHHHCSEEEEESCSCCTT
T ss_pred hhhhhHHhhccCCeEEEeCHHHHHH------------HHHHHHHhC---CCCCchhHHHHHHHHHhCCEEEEeeeccCCC
Confidence 00 00000 011233445555544 234576544 2479999999999999999999999999864
Q ss_pred -CcCcccCCCCC-----CCCCCChHHHHHHHHHHHHcCCCcccccCC
Q 045324 344 -AKHHYHTNQKA-----ELHLHDYNAEYVFYHDLVKNQRAVPFISDK 384 (394)
Q Consensus 344 -~~~HYye~~~~-----~~~~Hd~~~E~~~l~~L~~~~~~~~fit~k 384 (394)
.+|||||+.+. ..+.|+|+.|++++++||++ +.+++.+|+
T Consensus 253 ~~~~HYyd~~~~~~~~~~~~~H~~~~E~~~~~~Lh~~-G~i~l~~g~ 298 (298)
T 2wnf_A 253 GNWHHYWENNPSAGAFRKTGVHDGDFESNVTTILASI-NKIRIFKGR 298 (298)
T ss_dssp SCCCBTTC-----------CCSCHHHHHHHHHHHHHT-TSSEEECCC
T ss_pred CCceecccCccccccccCCCCCCcHHHHHHHHHHHHC-CCEEEEeCC
Confidence 47999998754 24689999999999999988 788887764
|
| >1ro7_A Alpha-2,3/8-sialyltransferase; mixed alpha/beta, rossmann fold; HET: CSF; 1.80A {Campylobacter jejuni} SCOP: c.130.1.1 PDB: 1ro8_A* 2drj_A* 2x62_A* 2x61_A* 2x63_A* | Back alignment and structure |
|---|
| >2p2v_A Alpha-2,3-sialyltransferase; mixed alpha-beta; HET: CSF; 1.85A {Campylobacter jejuni} PDB: 2p56_A | Back alignment and structure |
|---|
| >2wqq_A Alpha-2,3-/2,8-sialyltransferase; GTA, cstii, glycosyltransfer; HET: CSF; 2.25A {Campylobacter jejuni} | Back alignment and structure |
|---|
Homologous Structure Domains
Structure Domains Detected by RPS-BLAST 
Original result of RPS-BLAST against SCOP70(version1.75) database
No hit with e-value below 0.005
Homologous Domains Detected by HHsearch 
Original result of HHsearch against SCOP70(version1.75) database
ID ![]() | Alignment Graph ![]() | Length ![]() |
Definition ![]() |
Probability ![]() |
| Query | 394 | |||
| d1ro7a_ | 258 | Alpha-2,3/8-sialyltransferase CstII {Campylobacter | 98.23 |
| >d1ro7a_ c.130.1.1 (A:) Alpha-2,3/8-sialyltransferase CstII {Campylobacter jejuni [TaxId: 197]} | Back information, alignment and structure |
|---|
class: Alpha and beta proteins (a/b) fold: Alpha-2,3/8-sialyltransferase CstII superfamily: Alpha-2,3/8-sialyltransferase CstII family: Alpha-2,3/8-sialyltransferase CstII domain: Alpha-2,3/8-sialyltransferase CstII species: Campylobacter jejuni [TaxId: 197]
Probab=98.23 E-value=7.8e-07 Score=82.78 Aligned_cols=187 Identities=14% Similarity=0.092 Sum_probs=100.7
Q ss_pred ceEEEEcCCCcCCCCCCCccccccchhhhcCcccccccccccCCCcccccccchhhhhhhccCCccccCCCCCCCeEEEE
Q 045324 172 ESCAVVGNSGILLNSNYGDLIDSHEMVIRLNNARIERYEQHVGSKTSLSFVNSNILHLCARREGCFCHPYGENVPMIMYI 251 (394)
Q Consensus 172 ~rCAVVGNSGIL~gS~~G~eIDshD~VIR~N~AP~~GfE~DVGsKTtl~~~n~sil~~~~~~~~~~~~~y~~~v~~vl~i 251 (394)
++|.|+|||.+|++..++..+++.| |||||.+-.. .+.++|.++.+.++++............. ...+......+.
T Consensus 2 Kr~~IlGNGPSLk~iDl~~l~kd~~-vfgcN~fY~~-d~~~~~~~~d~v~~d~~v~~~~y~~~~~i--~~~~~~~~~~~~ 77 (258)
T d1ro7a_ 2 KKVIIAGNGPSLKEIDYSRLPNDFD-VFRCNQFYFE-DKYYLGKKCKAVFYNPSLFFEQYYTLKHL--IQNQEYETELIM 77 (258)
T ss_dssp CEEEEECCSGGGGCCCTTSCCSSEE-EEEETTGGGC-SEETTCSEEEEEEECGGGHHHHHHHHHHH--HHTTSCEEEEEE
T ss_pred ceEEEEecChhcccCCHhHccCCCe-EEEEcchhhc-chhhcCCcceEEEcccceeeccccceeee--eccchhhhhhhh
Confidence 5899999999999999999989887 9999998765 35679999999998887654321100000 000010111111
Q ss_pred ecccchhhhhhhcCCCC-CCceecCCccchhhhhhhhhcccchhhhhhhhhhhhhccccCCCccccChHHHHHHHHhh-c
Q 045324 252 CQPMHFLDYTRCNGSHK-APLLITDPRFDMLCSRIVKYYSLKGFVEETGKSLEEWGSAHEGSLFHYSSGMQAVMLSLG-I 329 (394)
Q Consensus 252 ~~P~~~ld~~~~~~~~k-~~~~i~~p~f~~l~~ri~~y~~~~~Fl~~t~~~~~~W~~~~~~~~~~pSTG~lav~lAL~-l 329 (394)
+..+............. .+. ..+.... . ...+.+ ..+.. ..|.... .-..++|||..|+.+|+. -
T Consensus 78 ~~~~~~~~~~~~~~~~~~~~~-~~~~~~~--~-~~~~~~--~~~~~------~~~~~~~-~~~~~~s~g~~alqiA~~LG 144 (258)
T d1ro7a_ 78 CSNYNQAHLENENFVKTFYDY-FPDAHLG--Y-DFFKQL--KDFNA------YFKFHEI-YFNQRITSGVYMCAVAIALG 144 (258)
T ss_dssp ECCCSCTTTSCHHHHHTHHHH-STTCEET--H-HHHTTS--HHHHH------HHHHHHH-HHCCCCCHHHHHHHHHHHHT
T ss_pred cccccccchhhhhhhhhhhcc-ccccccc--e-Eccccc--CCccc------ceeeccc-cccCCCCHHHHHHHHHHHcC
Confidence 11110000000000000 000 0000000 0 000000 00100 0010000 001257999999999997 5
Q ss_pred CCeEEEeeeecCCCCcCcccCCCCC--------------CCCCCChHHHHHHHHHHHHcC
Q 045324 330 CDKVSIFGFGKSAAAKHHYHTNQKA--------------ELHLHDYNAEYVFYHDLVKNQ 375 (394)
Q Consensus 330 CDeV~vYGFg~~~~~~~HYye~~~~--------------~~~~Hd~~~E~~~l~~L~~~~ 375 (394)
+++|.+.|+...+...-|+||.+++ ....|++..-...+.-|.+..
T Consensus 145 fKeIYLlG~D~y~~~~~~~ye~~~~n~~~l~~~~~~~~~~~~~h~~~~d~~~l~~l~~~~ 204 (258)
T d1ro7a_ 145 YKEIYLSGIDFYQNGSSYAFDTKQKNLLKLAPNFKNDNSHYIGHSKNTDIKALEFLEKTY 204 (258)
T ss_dssp CCEEEEESCCTTTTSSCCSSCCCCHHHHHHCGGGGSSCCCCTTCCHHHHHHHHHHHHHHH
T ss_pred CCEEEEEeeccCCCCCCccccCcccchhhhCcchhhccCcccchhHHHHHHHHHHHHHhc
Confidence 9999999998655555688887642 113588888888877777753
|