Analysis of interatomic Contacts of Structural Units in PDB entry:
9TWB

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 9TWB entry

Note, this PDB entry contains modified residue(s) PHOSPHOSERINE (SEP) . This residue is treated as heterogroup (ligand) both in the PDB entry and in LPC/CSU analysis.

There are 6 chains in PDB entry 9TWB (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	LYS 64	ASN 221
A	PHE 223	LEU 381
C	SER 442	SER 722
B	SER 447	GLU 720
D	LEU 63	ASN 221
D	PHE 223	GLY 380

There are 52 helices in PDB entry 9TWB. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	AA1	A	64	66	Right-handed 310
Helix 2	AA2	A	108	121	Right-handed alpha
Helix 3	AA3	A	151	159	Right-handed alpha
Helix 4	AA4	A	162	184	Right-handed alpha
Helix 5	AA5	A	192	194	Right-handed 310
Helix 6	AA6	A	231	236	Right-handed alpha
Helix 7	AA7	A	241	259	Right-handed alpha
Helix 8	AA8	A	267	275	Right-handed alpha
Helix 9	AA9	A	309	320	Right-handed alpha
Helix 10	AB1	A	331	342	Right-handed alpha
Helix 11	AB2	A	351	357	Right-handed alpha
Helix 12	AB3	A	358	367	Right-handed alpha
Helix 13	AB4	A	370	380	Right-handed alpha
Helix 14	AB5	C	491	506	Right-handed alpha
Helix 15	AB6	C	537	543	Right-handed alpha
Helix 16	AB7	C	549	570	Right-handed alpha
Helix 17	AB8	C	578	580	Right-handed 310
Helix 18	AB9	C	616	620	Right-handed 310
Helix 19	AC1	C	621	627	Right-handed alpha
Helix 20	AC2	C	634	652	Right-handed alpha
Helix 21	AC3	C	661	671	Right-handed alpha
Helix 22	AC4	C	677	681	Right-handed 310
Helix 23	AC5	C	686	697	Right-handed alpha
Helix 24	AC6	C	700	704	Right-handed 310
Helix 25	AC7	C	706	722	Right-handed alpha
Helix 26	AC8	B	491	506	Right-handed alpha
Helix 27	AC9	B	537	543	Right-handed alpha
Helix 28	AD1	B	549	570	Right-handed alpha
Helix 29	AD2	B	578	580	Right-handed 310
Helix 30	AD3	B	604	608	Right-handed 310
Helix 31	AD4	B	616	620	Right-handed 310
Helix 32	AD5	B	621	627	Right-handed alpha
Helix 33	AD6	B	634	652	Right-handed alpha
Helix 34	AD7	B	661	671	Right-handed alpha
Helix 35	AD8	B	677	681	Right-handed 310
Helix 36	AD9	B	686	697	Right-handed alpha
Helix 37	AE1	B	700	704	Right-handed 310
Helix 38	AE2	B	706	720	Right-handed alpha
Helix 39	AE3	D	64	66	Right-handed 310
Helix 40	AE4	D	104	116	Right-handed alpha
Helix 41	AE5	D	117	121	Right-handed 310
Helix 42	AE6	D	151	156	Right-handed alpha
Helix 43	AE7	D	162	183	Right-handed alpha
Helix 44	AE8	D	192	194	Right-handed 310
Helix 45	AE9	D	231	236	Right-handed alpha
Helix 46	AF1	D	241	259	Right-handed alpha
Helix 47	AF2	D	267	275	Right-handed alpha
Helix 48	AF3	D	309	320	Right-handed alpha
Helix 49	AF4	D	331	342	Right-handed alpha
Helix 50	AF5	D	351	357	Right-handed alpha
Helix 51	AF6	D	358	363	Right-handed alpha
Helix 52	AF7	D	370	380	Right-handed alpha

There are 10 sheets in PDB entry 9TWB. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4, AA5, AA6, AA7, AA8, AA9, AB1,

There are 5 strands in AA1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	68	76	first strand
Strand 2	A	81	87	anti-parallel
Strand 3	A	92	100	anti-parallel
Strand 4	A	138	144	anti-parallel
Strand 5	A	129	135	anti-parallel

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There are 3 strands in AA2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	149	150	first strand
Strand 2	A	196	198	anti-parallel
Strand 3	A	204	206	anti-parallel

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There are 5 strands in AA3 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	458	462	first strand
Strand 2	C	471	475	anti-parallel
Strand 3	C	479	484	anti-parallel
Strand 4	C	526	530	anti-parallel
Strand 5	C	516	520	anti-parallel

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There are 3 strands in AA4 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	534	536	first strand
Strand 2	C	582	585	anti-parallel
Strand 3	C	590	592	anti-parallel

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There are 2 strands in AA5 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	572	573	first strand
Strand 2	C	599	600	anti-parallel

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There are 5 strands in AA6 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	458	465	first strand
Strand 2	B	470	475	anti-parallel
Strand 3	B	479	484	anti-parallel
Strand 4	B	526	530	anti-parallel
Strand 5	B	516	520	anti-parallel

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There are 3 strands in AA7 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	534	536	first strand
Strand 2	B	582	585	anti-parallel
Strand 3	B	589	592	anti-parallel

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There are 2 strands in AA8 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	572	573	first strand
Strand 2	B	599	600	anti-parallel

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There are 5 strands in AA9 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	68	75	first strand
Strand 2	D	81	87	anti-parallel
Strand 3	D	93	100	anti-parallel
Strand 4	D	138	144	anti-parallel
Strand 5	D	129	134	anti-parallel

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There are 3 strands in AB1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	149	150	first strand
Strand 2	D	196	198	anti-parallel
Strand 3	D	204	206	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: 9TWB

Analysis of interatomic Contacts of Structural Units in PDB entry:
9TWB