Analysis of interatomic Contacts of Structural Units in PDB entry:
3T9N

Contacts of Structural Units (CSU) are derived with the CSU software (Sobolev V., Sorokine A., Prilusky J., Abola E.E. and Edelman M. (1999) Automated analysis of interatomic contacts in proteins. Bioinformatics, 15, 327-332).
This page provides analyses of contacts formed by:

chains
helices
sheets
residues

For analysis of ligand-protein contacts, use:

LPC software

3D structure can be seen in additional window with STING software for 3T9N entry

There are 5 chains in PDB entry 3T9N (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	TYR 13	THR 281
B	TYR 13	THR 281
C	TYR 13	THR 281
D	TYR 13	THR 281
E	TYR 13	GLY 218

There are 42 helices in PDB entry 3T9N. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	16	52	Right-handed alpha
Helix 2	2	A	57	88	Right-handed alpha
Helix 3	3	A	91	126	Right-handed alpha
Helix 4	4	A	167	169	Right-handed 310
Helix 5	5	A	193	210	Right-handed alpha
Helix 6	6	A	243	263	Right-handed alpha
Helix 7	7	B	16	52	Right-handed alpha
Helix 8	8	B	57	88	Right-handed alpha
Helix 9	9	B	91	126	Right-handed alpha
Helix 10	10	B	167	169	Right-handed 310
Helix 11	11	B	193	210	Right-handed alpha
Helix 12	12	B	243	263	Right-handed alpha
Helix 13	13	C	15	52	Right-handed alpha
Helix 14	14	C	57	88	Right-handed alpha
Helix 15	15	C	91	126	Right-handed alpha
Helix 16	16	C	167	169	Right-handed 310
Helix 17	17	C	193	210	Right-handed alpha
Helix 18	18	C	243	263	Right-handed alpha
Helix 19	19	D	16	52	Right-handed alpha
Helix 20	20	D	57	88	Right-handed alpha
Helix 21	21	D	91	126	Right-handed alpha
Helix 22	22	D	167	169	Right-handed 310
Helix 23	23	D	193	210	Right-handed alpha
Helix 24	24	D	243	263	Right-handed alpha
Helix 25	25	E	16	52	Right-handed alpha
Helix 26	26	E	57	88	Right-handed alpha
Helix 27	27	E	91	126	Right-handed alpha
Helix 28	28	E	167	169	Right-handed 310
Helix 29	29	E	193	210	Right-handed alpha
Helix 30	30	E	243	263	Right-handed alpha
Helix 31	31	F	16	52	Right-handed alpha
Helix 32	32	F	57	88	Right-handed alpha
Helix 33	33	F	91	126	Right-handed alpha
Helix 34	34	F	167	169	Right-handed 310
Helix 35	35	F	193	210	Right-handed alpha
Helix 36	36	F	243	263	Right-handed alpha
Helix 37	37	G	16	52	Right-handed alpha
Helix 38	38	G	57	88	Right-handed alpha
Helix 39	39	G	91	126	Right-handed alpha
Helix 40	40	G	167	169	Right-handed 310
Helix 41	41	G	193	210	Right-handed alpha
Helix 42	42	G	243	263	Right-handed alpha

There are 9 sheets in PDB entry 3T9N. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I,

There are 36 strands in A sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	134	137	first strand
Strand 2	A	140	147	anti-parallel
Strand 3	A	151	156	anti-parallel
Strand 4	A	160	165	anti-parallel
Strand 5	D	172	174	anti-parallel
Strand 6	D	134	137	anti-parallel
Strand 7	D	140	147	anti-parallel
Strand 8	D	151	156	anti-parallel
Strand 9	D	160	165	anti-parallel
Strand 10	E	172	174	anti-parallel
Strand 11	E	134	137	anti-parallel
Strand 12	E	140	147	anti-parallel
Strand 13	E	151	156	anti-parallel
Strand 14	E	160	165	anti-parallel
Strand 15	F	172	174	anti-parallel
Strand 16	F	134	137	anti-parallel
Strand 17	F	140	147	anti-parallel
Strand 18	F	151	156	anti-parallel
Strand 19	F	160	165	anti-parallel
Strand 20	C	172	174	anti-parallel
Strand 21	C	134	137	anti-parallel
Strand 22	C	140	147	anti-parallel
Strand 23	C	151	156	anti-parallel
Strand 24	C	160	165	anti-parallel
Strand 25	G	172	174	anti-parallel
Strand 26	G	134	137	anti-parallel
Strand 27	G	140	147	anti-parallel
Strand 28	G	151	156	anti-parallel
Strand 29	G	160	165	anti-parallel
Strand 30	B	172	174	anti-parallel
Strand 31	B	134	137	anti-parallel
Strand 32	B	140	147	anti-parallel
Strand 33	B	151	156	anti-parallel
Strand 34	B	160	165	anti-parallel
Strand 35	A	172	174	anti-parallel
Strand 36	A	134	137	anti-parallel

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There are 3 strands in B sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	180	189	first strand
Strand 2	A	231	240	anti-parallel
Strand 3	A	220	227	anti-parallel

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There are 8 strands in C sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	271	277	first strand
Strand 2	B	271	277	parallel
Strand 3	G	271	277	parallel
Strand 4	C	271	277	parallel
Strand 5	F	271	277	parallel
Strand 6	E	271	277	parallel
Strand 7	D	271	277	parallel
Strand 8	A	271	277	parallel

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There are 3 strands in D sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	180	189	first strand
Strand 2	B	231	240	anti-parallel
Strand 3	B	220	227	anti-parallel

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There are 3 strands in E sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	180	189	first strand
Strand 2	C	231	240	anti-parallel
Strand 3	C	220	227	anti-parallel

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There are 3 strands in F sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	180	189	first strand
Strand 2	D	231	240	anti-parallel
Strand 3	D	220	227	anti-parallel

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There are 3 strands in G sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	180	189	first strand
Strand 2	E	231	240	anti-parallel
Strand 3	E	220	227	anti-parallel

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There are 3 strands in H sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	180	189	first strand
Strand 2	F	231	240	anti-parallel
Strand 3	F	220	227	anti-parallel

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There are 3 strands in I sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	180	189	first strand
Strand 2	G	231	240	anti-parallel
Strand 3	G	220	227	anti-parallel

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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il

Analysis of interatomic Contacts of Structural Units in PDB entry: 3T9N

Analysis of interatomic Contacts of Structural Units in PDB entry:
3T9N