Citrus Sinensis ID: 041376
Local Sequence Feature Prediction
| Prediction and (Method) | Result |
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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 | 79 | ||||||
| 10834829 | 83 | metallothionein-like protein [Sesamum in | 0.987 | 0.939 | 0.592 | 7e-15 | |
| 399931773 | 86 | putative metallothionein type 4 [Brassic | 1.0 | 0.918 | 0.518 | 2e-11 | |
| 357513307 | 605 | Ribosomal protein S8 [Medicago truncatul | 0.797 | 0.104 | 0.477 | 5e-11 | |
| 255559816 | 85 | EC protein III, putative [Ricinus commun | 0.987 | 0.917 | 0.518 | 7e-11 | |
| 224132442 | 77 | predicted protein [Populus trichocarpa] | 0.924 | 0.948 | 0.512 | 5e-10 | |
| 359474961 | 78 | PREDICTED: EC protein homolog 1-like [Vi | 0.924 | 0.935 | 0.519 | 9e-10 | |
| 4105810 | 88 | PGPS/NH21 [Petunia x hybrida] | 0.962 | 0.863 | 0.488 | 1e-08 | |
| 224102789 | 90 | predicted protein [Populus trichocarpa] | 0.987 | 0.866 | 0.488 | 1e-08 | |
| 15227794 | 85 | Plant EC metallothionein-like protein, f | 0.987 | 0.917 | 0.457 | 1e-08 | |
| 334184866 | 120 | EC protein-1 [Arabidopsis thaliana] gi|3 | 0.962 | 0.633 | 0.475 | 2e-08 |
| >gi|10834829|gb|AAG23841.1|AF302808_1 metallothionein-like protein [Sesamum indicum] gi|40732882|gb|AAR88997.1| seed-specific metallothionein-like protein [Sesamum indicum] | Back alignment and taxonomy information |
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Score = 84.7 bits (208), Expect = 7e-15, Method: Compositional matrix adjust.
Identities = 48/81 (59%), Positives = 54/81 (66%), Gaps = 3/81 (3%)
Query: 1 MADVLRSGIVHCNDTCGCPVPCPGGAACSCSTVAYSEY--YHKCCSCGGHCSCNPCTCSK 58
MAD+ SG+V C+D CGCP PCPGG AC CST + HK C+CG HC CNPCTCSK
Sbjct: 1 MADMRGSGVV-CDDRCGCPSPCPGGIACRCSTGGGDDTTTEHKQCTCGEHCGCNPCTCSK 59
Query: 59 IQANKIGKAHCSCGTACKCPT 79
+ GKA C CGT C CPT
Sbjct: 60 SEIRGTGKAFCRCGTGCTCPT 80
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Source: Sesamum indicum Species: Sesamum indicum Genus: Sesamum Family: Pedaliaceae Order: Lamiales Class: Phylum: Streptophyta Superkingdom: Eukaryota |
| >gi|399931773|gb|AFP57436.1| putative metallothionein type 4 [Brassica napus] | Back alignment and taxonomy information |
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| >gi|357513307|ref|XP_003626942.1| Ribosomal protein S8 [Medicago truncatula] gi|355520964|gb|AET01418.1| Ribosomal protein S8 [Medicago truncatula] | Back alignment and taxonomy information |
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| >gi|255559816|ref|XP_002520927.1| EC protein III, putative [Ricinus communis] gi|223539893|gb|EEF41472.1| EC protein III, putative [Ricinus communis] | Back alignment and taxonomy information |
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| >gi|224132442|ref|XP_002328272.1| predicted protein [Populus trichocarpa] gi|222837787|gb|EEE76152.1| predicted protein [Populus trichocarpa] | Back alignment and taxonomy information |
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| >gi|359474961|ref|XP_003631560.1| PREDICTED: EC protein homolog 1-like [Vitis vinifera] | Back alignment and taxonomy information |
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| >gi|4105810|gb|AAD02561.1| PGPS/NH21 [Petunia x hybrida] | Back alignment and taxonomy information |
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| >gi|224102789|ref|XP_002312801.1| predicted protein [Populus trichocarpa] gi|222849209|gb|EEE86756.1| predicted protein [Populus trichocarpa] | Back alignment and taxonomy information |
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| >gi|15227794|ref|NP_179905.1| Plant EC metallothionein-like protein, family 15 [Arabidopsis thaliana] gi|19884307|sp|Q42377.2|EC2_ARATH RecName: Full=EC protein homolog 2 gi|2642439|gb|AAB87107.1| metallothionein-like protein [Arabidopsis thaliana] gi|330252338|gb|AEC07432.1| Plant EC metallothionein-like protein, family 15 [Arabidopsis thaliana] | Back alignment and taxonomy information |
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| >gi|334184866|ref|NP_001189730.1| EC protein-1 [Arabidopsis thaliana] gi|330254967|gb|AEC10061.1| EC protein-1 [Arabidopsis thaliana] | Back alignment and taxonomy information |
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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 | 79 | ||||||
| TAIR|locus:2058593 | 85 | AtMT4b "Arabidopsis thaliana m | 0.987 | 0.917 | 0.373 | 2.8e-11 | |
| UNIPROTKB|I3LQ45 | 68 | MT3 "Metallothionein" [Sus scr | 0.177 | 0.205 | 0.5 | 0.00019 | |
| MGI|MGI:97173 | 68 | Mt3 "metallothionein 3" [Mus m | 0.177 | 0.205 | 0.5 | 0.00095 | |
| RGD|621252 | 66 | Mt3 "metallothionein 3" [Rattu | 0.177 | 0.212 | 0.5 | 0.00095 |
| TAIR|locus:2058593 AtMT4b "Arabidopsis thaliana metallothionein 4b" [Arabidopsis thaliana (taxid:3702)] | Back alignment and assigned GO terms |
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Score = 155 (59.6 bits), Expect = 2.8e-11, P = 2.8e-11
Identities = 31/83 (37%), Positives = 37/83 (44%)
Query: 1 MADVLR-SGIVHCNDTCGCPVPCPGGAACSCSTVAYSEXXXXXXXX---XXXXXXNPCTC 56
MAD + S CND CGCP PCPGG +C C ++ + NPC C
Sbjct: 1 MADTGKGSASASCNDRCGCPSPCPGGESCRCKMMSEASGGDQEHNTCPCGEHCGCNPCNC 60
Query: 57 SKIQANKIGKAHCSCGTACKCPT 79
K Q K C+CG C C T
Sbjct: 61 PKTQTQTSAKG-CTCGEGCTCAT 82
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| UNIPROTKB|I3LQ45 MT3 "Metallothionein" [Sus scrofa (taxid:9823)] | Back alignment and assigned GO terms |
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| MGI|MGI:97173 Mt3 "metallothionein 3" [Mus musculus (taxid:10090)] | Back alignment and assigned GO terms |
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| RGD|621252 Mt3 "metallothionein 3" [Rattus norvegicus (taxid:10116)] | Back alignment and assigned GO terms |
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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
Conserved Domains Detected by HHsearch 
Original result of HHsearch against CDD database
ID ![]() | Alignment Graph ![]() | Length ![]() |
Definition ![]() |
Probability ![]() |
| Query | 79 | |||
| PF02068 | 76 | Metallothio_PEC: Plant PEC family metallothionein; | 100.0 | |
| PF01439 | 74 | Metallothio_2: Metallothionein; InterPro: IPR00034 | 96.25 |
| >PF02068 Metallothio_PEC: Plant PEC family metallothionein; InterPro: IPR000316 Metallothioneins (MT) are small proteins that bind heavy metals, such as zinc, copper, cadmium, nickel, etc | Back alignment and domain information |
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Probab=100.00 E-value=6e-37 Score=201.27 Aligned_cols=69 Identities=57% Similarity=1.405 Sum_probs=34.0
Q ss_pred EeCCCCCCCcCCCCCCcceeeec-c-cCcccceeecCCCCccccCCccCCc--eeccCCccccccCCCcccCC
Q 041376 11 HCNDTCGCPVPCPGGAACSCSTV-A-YSEYYHKCCSCGGHCSCNPCTCSKI--QANKIGKAHCSCGTACKCPT 79 (79)
Q Consensus 11 ~C~d~CGC~vPCpgG~~CrC~~~-~-~~~~~H~~C~CGEHCgCNPCtC~k~--~~~g~gka~C~CG~~C~C~s 79 (79)
+|||+||||||||||++|||++. + +++++|+||+|||||+||||+|||+ +++|+||||||||++|+|++
T Consensus 1 ~Cdd~CGC~vPCpgG~~CrC~~~~a~~~~~~H~~C~CGEhCgCnPCtC~k~e~~~sg~gka~C~CG~~C~C~s 73 (76)
T PF02068_consen 1 GCDDRCGCPVPCPGGTACRCTSSSAGGGGGDHTTCSCGEHCGCNPCTCPKTETTASGSGKAFCKCGSGCTCAS 73 (76)
T ss_dssp ---GGGSS-SS-SSSTTSCCCS----------S-BTTTB--TTS--TT---------SS-S-----SS---HH
T ss_pred CCcCCcCCCccCCCCCccccccccCCCCCCCcccccCCCcccccCccCCCcccccccccccccccCCCccccc
Confidence 69999999999999999999887 3 8899999999999999999999998 68999999999999999974
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They have a high content of cysteine residues that bind the metal ions through clusters of thiolate bonds [, , , ]. An empirical classification into three classes has been proposed by Fowler and coworkers [] and Kojima []. Members of class I are defined to include polypeptides related in the positions of their cysteines to equine MT-1B, and include mammalian MTs as well as MTs from crustaceans and molluscs. Class II groups MTs from a variety of species, including sea urchins, fungi, insects and cyanobacteria. Class III MTs are atypical polypeptides composed of gamma-glutamylcysteinyl units []. This original classification system has been found to be limited, in the sense that it does not allow clear differentiation of patterns of structural similarities, either between or within classes. Consequently, all class I and class II MTs (the proteinaceous sequences) have now been grouped into families of phylogenetically-related and thus alignable sequences. This system subdivides the MT superfamily into families, subfamilies, subgroups, and isolated isoforms and alleles. The metallothionein superfamily comprises all polypeptides that resemble equine renal metallothionein in several respects []: e.g., low molecular weight; high metal content; amino acid composition with high Cys and low aromatic residue content; unique sequence with characteristic distribution of cysteines, and spectroscopic manifestations indicative of metal thiolate clusters. A MT family subsumes MTs that share particular sequence-specific features and are thought to be evolutionarily related. The inclusion of a MT within a family presupposes that its amino acid sequence is alignable with that of all members. Fifteen MT families have been characterised, each family being identified by its number and its taxonomic range: e.g., Family 1: vertebrate MTs. Family 15 consists of planta MTs. Its members are recognised by the sequence pattern [YFH]-x(5,25)-C-[SKD]-C-[GA]-[SDPAT]-x(0,1)-C-x-[CYF] which yields all plant sequences, but also MTCU_HELPO and the non-MT ITB3_HUMAN. The taxonomic range of the members extends to planta. Planta MTs are 45-84 residue proteins, containing 17 conserved cysteines that bind 5 zinc ions. Generally, there are two Cys-rich regions (domain 1 and domain 3) separated by a Cys-poor region (domain 2) and only the domain 2 contains unusual residues. It is believed that the proteins may have a role in Zn2+ homeostasis during embryogenesis. Family 15 includes the following subfamilies: p1, p2, p2v, p3, pec, p21. ; GO: 0008270 zinc ion binding; PDB: 2L62_A 2KAK_A 2L61_A. |
| >PF01439 Metallothio_2: Metallothionein; InterPro: IPR000347 Members of this family are metallothioneins | Back alignment and domain information |
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Homologous Structure Templates
Structure Templates Detected by BLAST 
Original result of BLAST against Protein Data Bank
No homologous structure with e-value below 0.005
Structure Templates Detected by RPS-BLAST 
Original result of RPS-BLAST against PDB70 database
No hit with e-value below 0.005
Structure Templates Detected by HHsearch 
Original result of HHsearch against PDB70 database
ID ![]() | Alignment Graph ![]() | Length ![]() |
Definition ![]() |
Probability ![]() |
| Query | 79 | |||
| 2kak_A | 53 | EC protein I/II; metallothionein, solution structu | 99.84 | |
| 2l61_A | 26 | EC protein I/II; metallothionein, wheat EC-1, Zn b | 99.27 | |
| 1qjl_A | 28 | Metallothionein; metal-binding, detoxification, ra | 86.2 | |
| 2kak_A | 53 | EC protein I/II; metallothionein, solution structu | 83.4 |
| >2kak_A EC protein I/II; metallothionein, solution structure, wheat EC-1, Zn binding, metal-binding, metal-thiolate cluster, zinc; NMR {Triticum aestivum} | Back alignment and structure |
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Probab=99.84 E-value=3.4e-22 Score=123.58 Aligned_cols=42 Identities=45% Similarity=1.243 Sum_probs=39.6
Q ss_pred ccceeecCCCCccccCCccCCce-eccCC--ccccccCCCcccCC
Q 041376 38 YYHKCCSCGGHCSCNPCTCSKIQ-ANKIG--KAHCSCGTACKCPT 79 (79)
Q Consensus 38 ~~H~~C~CGEHCgCNPCtC~k~~-~~g~g--ka~C~CG~~C~C~s 79 (79)
.+|+||+|||||+||||+|||++ ++|++ ||||+||++|+|++
T Consensus 1 ~~H~tC~CGEHCgCnPCtC~k~~~~sG~g~rka~C~CG~~C~Cas 45 (53)
T 2kak_A 1 GEHTTCGCGEHCGCNPCACGREGTPSGRANRRANCSCGAACNCAS 45 (53)
T ss_dssp CCCSCBTTTBCCTTSCCTTCCCCCCCCSSSSCSCCCCCSSCCCHH
T ss_pred CCcccccCCCcccccCccCCCccccccccccccccccCCCccccc
Confidence 38999999999999999999998 88998 99999999999974
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| >2l61_A EC protein I/II; metallothionein, wheat EC-1, Zn binding, metal-thiolate CLUS metal binding protein; NMR {Triticum aestivum} PDB: 2l62_A | Back alignment and structure |
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| >1qjl_A Metallothionein; metal-binding, detoxification, radical scavenger; NMR {Strongylocentrotus purpuratus} SCOP: g.46.1.1 | Back alignment and structure |
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| >2kak_A EC protein I/II; metallothionein, solution structure, wheat EC-1, Zn binding, metal-binding, metal-thiolate cluster, zinc; NMR {Triticum aestivum} | Back alignment and structure |
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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
No hit with probability above 80.00