D-I-TASSER Q8IYI8-D2

D-I-TASSER results for Q8IYI8-D2

[Click result.zip to download all results on this page]

Input Sequence in FASTA format

>Q8IYI8 (56 residues)
PCKCQQPKKAFRYRPSFRTQERDHTGEKPNACKVCGKTFISHSSVRRHMVMHSGDG

Predicted Secondary Structure

Sequence	20 40 \| \| PCKCQQPKKAFRYRPSFRTQERDHTGEKPNACKVCGKTFISHSSVRRHMVMHSGDG
Prediction	CCCCCCCCCSSCCCCCCCCSSCCCCCCCCSSCCCCCCSSCCCCCCCCSSCCCCCCC
Confidence	97578888554455552001032158888216888765534444301202115899
	H:Helix; S:Strand; C:Coil

Predicted Solvent Accessibility

Sequence	20 40 \| \| PCKCQQPKKAFRYRPSFRTQERDHTGEKPNACKVCGKTFISHSSVRRHMVMHSGDG
Prediction	84517423330434441441424144544341641333034444144133324578
	Values range from 0 (buried residue) to 8 (highly exposed residue)

Predicted Contact, Hydrogen and Distance Map Used in D-I-TASSER simulation

Contact Map

Distance Map

Hydrogen bond networks

D-I-TASSER simulation is guided by the consensus contact map (left figure), distance map (middle figure) and Hydrogen bond network (right figure) derived based on confidence scores of DeepPotential. In the contact, distance map and hydrogen bond networks, the axes mark the residue index along the sequence. For the contact map, each dot represents a residue pair with predicted contact, while for the distance map and hydrogen bond network, a color scale represents a distance of 1-20+ angstroms or a angle of 0-180 degree.

Top 10 threading templates used by D-I-TASSER

Rank

PDB
hit

ID1

ID2

Cov

Norm.
Zscore

Download
alignment

                  20                  40

                   |                   |

SS
Seq

CCCCCCCCCSSCCCCCCCCSSCCCCCCCCSSCCCCCCSSCCCCCCCCSSCCCCCCC
PCKCQQPKKAFRYRPSFRTQERDHTGEKPNACKVCGKTFISHSSVRRHMVMHSGDG

5v3jE2

0.30

0.29

8.66

1.00

DEthreader

KYKC-KECGKSFTCE-LFRHQKVHTGDRPHKCKECGKAFIRRSELTHHERSH-SGE

6e93A2

0.34

10.16

3.67

SPARKS-K

EFVCQYCNKAFTLNETLKIHERIHTGEKRYHCQFCFQRFLYLSTKRNHEQRHIREH

2i13A

0.38

11.12

0.66

MapAlign

PYKCPECGKSFSDKKDLTRHQRTHTGEKPYKCPECGKSFSQRANLRAHQRTHTGEK

2i13A

0.38

11.12

0.44

CEthreader

PYKCPECGKSFSDKKDLTRHQRTHTGEKPYKCPECGKSFSQRANLRAHQRTHTGEK

5v3jE

0.38

11.12

2.28

MUSTER

PYKCKECGKSFTCTTELFRHQKVHTGDRPHKCKECGKAFIRRSELTHHERSHSGEK

5v3jE

0.38

11.12

0.95

HHsearch

PYKCKECGKSFTCTTELFRHQKVHTGDRPHKCKECGKAFIRRSELTHHERSHSGEK

5egbA1

0.35

0.34

10.14

1.09

FFAS-3D

PYVCRECGRGFSNKSHLLRHQRTHTGEKPYVCRECGRGFRDKSHLLRHQRTHTGE-

6ml2A

0.34

10.16

0.67

EigenThreader

LPECSHCHRKFMDVSQLKKHLRTHTGEKPFTCEICGKSFTAKSSLQTHIRIHRGEK

5v3mC

0.41

12.09

3.53

CNFpred

PYKCQECGKAFPSNAQLSLHHRVHTDEKCFECKECGKAFMRPSHLLRHQRIHTGEK

2kmkA

0.26

0.25

7.71

1.00

DEthreader

SFDCKIC-GKSFKRSTLSTHLLIHSDTRPYPCQYCGKRFHQKSDMKKHTFIHTGE-

(a)	ID1 is the number of template residues identical to query divided by number of aligned residues.
(b)	ID2 is the number of template residues identical to query divided by query sequence length.
(c)	Cov is equal the number of aligned template residues divided by query sequence length.
(d)	Norm. Zscore is the normalized Z-score of the threading alignments. A Normalized Z-score >1 means a good alignment and is highlighted in bold.
(e)	Download alignment lists the threading program used to identify the template, and provide the 3D structure of aligned regions of threading templates (threading[1-10].pdb.gz).
(f)	Template residues identical to query sequence are highlighted in color.

Top 1 final models from D-I-TASSER

Click to view	Rank^a	Download	Estimated TM-score^b
	1	model1.pdb.gz	0.861

(a)

D-I-TASSER simulations generate a large ensemble of structural conformations, i.e. decoys. These decoys are clustered by SPICKER based on pairwise structure similarity to report up to five final models from the five largest clusters. Models are ranked in descending order of cluster size. If the simulations converge well, it is possible to have less than 5 models generated, which is usually an indication of good model quality.

(b)

The model confidence is quantitatified by estimated TM-score (eTM-score), calculated based on significance of threading template alignments, contact map satisfaction rate, mean absolute error between distance of model and distance of DeepPotential, and convergence of D-I-TASSER simulations. eTM-score is typically in the range of [0, 1], with higher eTM-score signifies higher model confidence.

Proteins with similar structure

Top 10 structural analogs in PDB (as identified by TM-align)

Rank	PDB Hit	TM-score	RMSD^a	IDEN^a	Cov.	Download Alignment
1	2i13A	0.90	0.94	0.357	1.000	model1_2i13A.pdb.gz
2	6wmiA	0.89	0.95	0.411	1.000	model1_6wmiA.pdb.gz
3	5t0uA	0.89	0.94	0.321	1.000	model1_5t0uA.pdb.gz
4	1a1fA	0.89	0.94	0.268	1.000	model1_1a1fA.pdb.gz
5	5undA	0.88	1.00	0.321	1.000	model1_5undA.pdb.gz
6	5v3gD	0.87	1.04	0.339	1.000	model1_5v3gD.pdb.gz
7	7w1mH	0.86	1.07	0.321	1.000	model1_7w1mH.pdb.gz
8	5v3jE	0.86	1.11	0.393	1.000	model1_5v3jE.pdb.gz
9	2jpaA	0.85	1.17	0.286	1.000	model1_2jpaA.pdb.gz
10	1llmC	0.85	1.31	0.339	0.982	model1_1llmC.pdb.gz

(a)	Query structure is shown in cartoon, while the structural analog is displayed using backbone trace.
(b)	Ranking of proteins is based on TM-score of the structural alignment between the query structure and known structures in the PDB library.
(c)	RMSD^a is the RMSD between residues that are structurally aligned by TM-align.
(d)	IDEN^a is the percentage sequence identity in the structurally aligned region.
(e)	Cov. represents the coverage of the alignment by TM-align and is equal to the number of structurally aligned residues divided by length of the query protein.

Predicted Gene Ontology (GO) Terms

Molecular Function (MF)

GO term	Cscore^GO	Name
GO:0003700	0.88	transcription factor activity, sequence-specific DNA binding
GO:1901363	0.78	heterocyclic compound binding
GO:0097159	0.78	organic cyclic compound binding
GO:0046872	0.75	metal ion binding
GO:0003676	0.68	nucleic acid binding
GO:0003677	0.67	DNA binding
GO:0043565	0.61	sequence-specific DNA binding
GO:0044212	0.57	transcription regulatory region DNA binding
GO:0000976	0.53	transcription regulatory region sequence-specific DNA binding
GO:0000977	0.52	RNA polymerase II regulatory region sequence-specific DNA binding

Download full result of the above consensus prediction.

Click the graph to show a high resolution version.

(a)

Cscore^GO is the confidence score of predicted GO terms. Cscore^GO values range in between [0-1]; where a higher value indicates a better confidence in predicting the function using the template.

(b)

The graph shows the predicted terms within the Gene Ontology hierachy for Molecular Function. Confidently predicted terms are color coded by Cscore^GO:

[0.4,0.5)

[0.5,0.6)

[0.6,0.7)

[0.7,0.8)

[0.8,0.9)

[0.9,1.0]

Biological Process (BP)

GO term	Cscore^GO	Name
GO:0065007	0.98	biological regulation
GO:0050789	0.98	regulation of biological process
GO:0050794	0.97	regulation of cellular process
GO:0019222	0.95	regulation of metabolic process
GO:1903506	0.94	regulation of nucleic acid-templated transcription
GO:0010468	0.94	regulation of gene expression
GO:0006355	0.93	regulation of transcription, DNA-templated
GO:0009987	0.63	cellular process
GO:0044699	0.57	single-organism process

Download full result of the above consensus prediction.

Click the graph to show a high resolution version.

(a)

Cscore^GO is the confidence score of predicted GO terms. Cscore^GO values range in between [0-1]; where a higher value indicates a better confidence in predicting the function using the template.

(b)

The graph shows the predicted terms within the Gene Ontology hierachy for Biological Process. Confidently predicted terms are color coded by Cscore^GO:

[0.4,0.5)

[0.5,0.6)

[0.6,0.7)

[0.7,0.8)

[0.8,0.9)

[0.9,1.0]

Cellular Component (CC)

GO term	Cscore^GO	Name
GO:0005634	1.00	nucleus
GO:0044446	0.63	intracellular organelle part
GO:0044428	0.57	nuclear part

Download full result of the above consensus prediction.

Click the graph to show a high resolution version.

(a)

Cscore^GO is the confidence score of predicted GO terms. Cscore^GO values range in between [0-1]; where a higher value indicates a better confidence in predicting the function using the template.

(b)

The graph shows the predicted terms within the Gene Ontology hierachy for Cellular Component. Confidently predicted terms are color coded by Cscore^GO:

[0.4,0.5)

[0.5,0.6)

[0.6,0.7)

[0.7,0.8)

[0.8,0.9)

[0.9,1.0]

Predicted Enzyme Commission (EC) Numbers

Top 5 enzyme homologs in PDB

Rank	Cscore^EC	PDB Hit	TM-score	RMSD^a	IDEN^a	Cov.	EC Number	Predicted Active Site Residues
1	0.060	3bkbA	0.465	3.02	0.073	0.714	2.7.10.2	NA
2	0.060	3d4jB	0.470	2.68	0.037	0.696	4.1.1.33	NA
3	0.060	2c2vK	0.302	3.78	0.037	0.643	6.3.2.19	NA
4	0.060	2j0wA	0.482	3.11	0.000	0.821	2.7.2.4	NA
5	0.060	2r4bA	0.460	3.42	0.071	0.750	2.7.10.1	NA

	Click on the radio buttons to visualize predicted active site residues.
(a)	Cscore^EC is the confidence score for the Enzyme Commission (EC) number prediction. Cscore^EC values range in between [0-1]; where a higher score indicates a more reliable EC number prediction.
(b)	TM-score is a measure of global structural similarity between query and template protein.
(c)	RMSD^a is the RMSD between residues that are structurally aligned by TM-align.
(d)	IDEN^a is the percentage sequence identity in the structurally aligned region.
(e)	Cov. represents the coverage of global structural alignment and is equal to the number of structurally aligned residues divided by length of the query protein.

Predicted Ligand Binding Sites

Template proteins with similar binding site:

Rank	Cscore^LB	PDB Hit	TM-score	RMSD^a	IDEN^a	Cov.	BS-score	Lig. Name	Download Complex	Predicted binding site residues
1	0.53	1meyC	0.887	0.98	0.375	1.000	0.95	UUU	complex1.pdb.gz	30,42,43,47
2	0.32	1llmC	0.847	1.31	0.339	0.982	1.23	QNA	complex2.pdb.gz	11,12,13,16,20,23,37,39,41,44,47,48,52
3	0.23	1a1iA	0.832	1.19	0.352	0.964	0.88	QNA	complex3.pdb.gz	9,11,12,13,16,20,23,37,41,44,47
4	0.06	1p47A	0.843	1.21	0.268	1.000	0.90	QNA	complex4.pdb.gz	9,11,12,13,16,20,23,37,39,41,44,47,48,51

	Click on the radio buttons to visualize predicted binding site and residues.
(a)	Cscore^LB is the confidence score of predicted binding site. Cscore^LB values range in between [0-1]; where a higher score indicates a more reliable ligand-binding site prediction.
(b)	BS-score is a measure of local similarity (sequence & structure) between template binding site and predicted binding site in the query structure. Based on large scale benchmarking analysis, we have observed that a BS-score >1 reflects a significant local match between the predicted and template binding site.
(c)	TM-score is a measure of global structural similarity between query and template protein.
(d)	RMSD^a the RMSD between residues that are structurally aligned by TM-align.
(e)	IDEN^a is the percentage sequence identity in the structurally aligned region.
(f)	Cov. represents the coverage of global structural alignment and is equal to the number of structurally aligned residues divided by length of the query protein.

[Click result.zip to download all results on this page]

References:
1.	Wei Zheng, Qiqige Wuyun, Yang Li, Quancheng Liu, Xiaogen Zhou, Yiheng Zhu, P. Lydia Freddolino, Yang Zhang. Integrating deep learning potentials with I-TASSER for single- and multi-domain protein structure prediction. Submitted. 2023.