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

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 3KTD entry

There are 4 chains in PDB entry 3KTD (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	ASP 5	PHE 340
B	ASP 5	PHE 340
C	ASP 5	PHE 340
D	ASP 5	PHE 340

There are 72 helices in PDB entry 3KTD. 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	29	Right-handed alpha
Helix 2	2	A	39	49	Right-handed alpha
Helix 3	3	A	56	67	Right-handed alpha
Helix 4	4	A	76	78	Right-handed 310
Helix 5	5	A	79	91	Right-handed alpha
Helix 6	6	A	103	113	Right-handed alpha
Helix 7	7	A	115	117	Right-handed 310
Helix 8	8	A	132	136	Right-handed 310
Helix 9	9	A	150	154	Right-handed 310
Helix 10	10	A	160	177	Right-handed alpha
Helix 11	11	A	185	197	Right-handed alpha
Helix 12	12	A	197	214	Right-handed alpha
Helix 13	13	A	214	222	Right-handed alpha
Helix 14	14	A	223	230	Right-handed alpha
Helix 15	15	A	231	235	Right-handed 310
Helix 16	16	A	236	247	Right-handed alpha
Helix 17	17	A	247	270	Right-handed alpha
Helix 18	18	A	276	293	Right-handed alpha
Helix 19	19	A	322	334	Right-handed alpha
Helix 20	20	B	16	29	Right-handed alpha
Helix 21	21	B	39	48	Right-handed alpha
Helix 22	22	B	56	66	Right-handed alpha
Helix 23	23	B	76	91	Right-handed alpha
Helix 24	24	B	103	113	Right-handed alpha
Helix 25	25	B	132	136	Right-handed 310
Helix 26	26	B	150	154	Right-handed 310
Helix 27	27	B	160	177	Right-handed alpha
Helix 28	28	B	185	197	Right-handed alpha
Helix 29	29	B	197	214	Right-handed alpha
Helix 30	30	B	214	222	Right-handed alpha
Helix 31	31	B	223	230	Right-handed alpha
Helix 32	32	B	231	235	Right-handed 310
Helix 33	33	B	236	247	Right-handed alpha
Helix 34	34	B	247	271	Right-handed alpha
Helix 35	35	B	276	292	Right-handed alpha
Helix 36	36	B	322	334	Right-handed alpha
Helix 37	37	C	16	29	Right-handed alpha
Helix 38	38	C	39	49	Right-handed alpha
Helix 39	39	C	56	67	Right-handed alpha
Helix 40	40	C	76	91	Right-handed alpha
Helix 41	41	C	103	113	Right-handed alpha
Helix 42	42	C	115	119	Right-handed 310
Helix 43	43	C	132	136	Right-handed 310
Helix 44	44	C	150	154	Right-handed 310
Helix 45	45	C	160	177	Right-handed alpha
Helix 46	46	C	185	197	Right-handed alpha
Helix 47	47	C	197	215	Right-handed alpha
Helix 48	48	C	215	222	Right-handed alpha
Helix 49	49	C	223	230	Right-handed alpha
Helix 50	50	C	231	235	Right-handed 310
Helix 51	51	C	236	246	Right-handed alpha
Helix 52	52	C	247	271	Right-handed alpha
Helix 53	53	C	276	292	Right-handed alpha
Helix 54	54	C	322	334	Right-handed alpha
Helix 55	55	D	16	29	Right-handed alpha
Helix 56	56	D	39	49	Right-handed alpha
Helix 57	57	D	56	68	Right-handed alpha
Helix 58	58	D	76	91	Right-handed alpha
Helix 59	59	D	103	113	Right-handed alpha
Helix 60	60	D	115	119	Right-handed 310
Helix 61	61	D	132	136	Right-handed 310
Helix 62	62	D	150	154	Right-handed 310
Helix 63	63	D	160	177	Right-handed alpha
Helix 64	64	D	185	197	Right-handed alpha
Helix 65	65	D	197	213	Right-handed alpha
Helix 66	66	D	214	221	Right-handed alpha
Helix 67	67	D	223	230	Right-handed alpha
Helix 68	68	D	231	235	Right-handed 310
Helix 69	69	D	236	247	Right-handed alpha
Helix 70	70	D	247	271	Right-handed alpha
Helix 71	71	D	276	293	Right-handed alpha
Helix 72	72	D	324	334	Right-handed alpha

There are 12 sheets in PDB entry 3KTD. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L,

There are 6 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	53	54	first strand
Strand 2	A	33	36	parallel
Strand 3	A	10	13	parallel
Strand 4	A	70	73	parallel
Strand 5	A	96	98	parallel
Strand 6	A	119	120	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	122	124	first strand
Strand 2	A	145	148	anti-parallel
Strand 3	A	180	183	parallel

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There are 2 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	313	316	first strand
Strand 2	A	336	339	parallel

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There are 5 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	53	54	first strand
Strand 2	B	33	36	parallel
Strand 3	B	10	13	parallel
Strand 4	B	70	73	parallel
Strand 5	B	95	98	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	B	122	124	first strand
Strand 2	B	145	148	anti-parallel
Strand 3	B	180	183	parallel

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There are 2 strands in F sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	313	316	first strand
Strand 2	B	336	339	parallel

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There are 5 strands in G sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	53	54	first strand
Strand 2	C	33	36	parallel
Strand 3	C	10	13	parallel
Strand 4	C	70	73	parallel
Strand 5	C	96	98	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	C	122	124	first strand
Strand 2	C	145	148	anti-parallel
Strand 3	C	180	183	parallel

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There are 2 strands in I sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	313	316	first strand
Strand 2	C	336	339	parallel

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There are 5 strands in J sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	53	54	first strand
Strand 2	D	33	36	parallel
Strand 3	D	10	13	parallel
Strand 4	D	70	73	parallel
Strand 5	D	96	98	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	122	124	first strand
Strand 2	D	145	148	anti-parallel
Strand 3	D	180	183	parallel

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There are 2 strands in L sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	313	316	first strand
Strand 2	D	336	339	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: 3KTD

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