Analysis of interatomic Contacts of Structural Units in PDB entry:
4AC9

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 4AC9 entry

There are 15 chains in PDB entry 4AC9 (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	HIS 0	GLY 263
A	ILE 265	GLU 337
A	TYR 339	TYR 339
A	ALA 341	ILE 370
A	GLY 372	GLY 468
B	MET 1	GLY 263
B	ILE 265	GLU 337
B	TYR 339	TYR 339
B	ALA 341	ILE 370
B	GLY 372	GLY 468
C	ARG -2	GLY 263
C	ILE 265	GLU 337
C	TYR 339	TYR 339
C	ALA 341	ILE 370
C	GLY 372	LYS 383

There are 34 helices in PDB entry 4AC9. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	17	27	Right-handed alpha
Helix 2	2	A	68	80	Right-handed alpha
Helix 3	3	A	97	110	Right-handed alpha
Helix 4	4	A	120	124	Right-handed 310
Helix 5	5	A	125	141	Right-handed alpha
Helix 6	6	A	161	176	Right-handed alpha
Helix 7	7	A	381	386	Right-handed 310
Helix 8	8	A	412	420	Right-handed alpha
Helix 9	9	B	17	29	Right-handed alpha
Helix 10	10	B	68	80	Right-handed alpha
Helix 11	11	B	97	110	Right-handed alpha
Helix 12	12	B	120	124	Right-handed 310
Helix 13	13	B	125	141	Right-handed alpha
Helix 14	14	B	161	175	Right-handed alpha
Helix 15	15	B	287	290	Right-handed 310
Helix 16	16	B	382	385	Right-handed 310
Helix 17	17	B	412	420	Right-handed alpha
Helix 18	18	C	17	27	Right-handed alpha
Helix 19	19	C	28	31	Right-handed 310
Helix 20	20	C	68	80	Right-handed alpha
Helix 21	21	C	97	110	Right-handed alpha
Helix 22	22	C	120	124	Right-handed 310
Helix 23	23	C	125	141	Right-handed alpha
Helix 24	24	C	145	149	Right-handed 310
Helix 25	25	C	161	176	Right-handed alpha
Helix 26	26	C	256	260	Right-handed 310
Helix 27	27	C	382	386	Right-handed 310
Helix 28	28	C	412	420	Right-handed alpha
Helix 29	29	D	14	29	Right-handed alpha
Helix 30	30	D	79	83	Right-handed 310
Helix 31	31	D	97	110	Right-handed alpha
Helix 32	32	D	125	141	Right-handed alpha
Helix 33	33	D	161	176	Right-handed alpha
Helix 34	34	D	412	419	Right-handed alpha

There are 20 sheets in PDB entry 4AC9. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, AE, BA, BB, BC, BD, CA, CB, CC, CD, CE, A, DB, C, DD, DE, DF,

There are 6 strands in AA sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	53	56	first strand
Strand 2	A	59	64	anti-parallel
Strand 3	A	4	12	parallel
Strand 4	A	85	91	parallel
Strand 5	A	114	119	parallel
Strand 6	A	151	153	parallel

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There are 7 strands in AB sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	187	189	first strand
Strand 2	A	265	267	anti-parallel
Strand 3	A	217	221	anti-parallel
Strand 4	A	225	233	anti-parallel
Strand 5	A	247	253	anti-parallel
Strand 6	A	201	206	anti-parallel
Strand 7	A	192	195	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	211	213	first strand
Strand 2	A	241	243	anti-parallel

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There are 7 strands in AD sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	274	284	first strand
Strand 2	A	339	350	anti-parallel
Strand 3	A	306	319	parallel
Strand 4	A	297	303	anti-parallel
Strand 5	A	355	359	anti-parallel
Strand 6	A	370	378	anti-parallel
Strand 7	A	274	284	first strand

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There are 7 strands in AE sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	388	400	first strand
Strand 2	A	457	466	anti-parallel
Strand 3	A	423	426	anti-parallel
Strand 4	A	431	439	anti-parallel
Strand 5	A	444	449	anti-parallel
Strand 6	A	403	407	anti-parallel
Strand 7	A	388	400	anti-parallel

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There are 6 strands in BA sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	53	56	first strand
Strand 2	B	59	64	anti-parallel
Strand 3	B	4	12	parallel
Strand 4	B	83	91	parallel
Strand 5	B	114	119	parallel
Strand 6	B	151	153	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	187	196	first strand
Strand 2	B	265	268	anti-parallel
Strand 3	B	217	221	anti-parallel
Strand 4	B	225	234	anti-parallel
Strand 5	B	237	238	anti-parallel
Strand 6	B	200	206	first strand
Strand 7	B	247	253	anti-parallel
Strand 8	B	187	196	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	211	213	first strand
Strand 2	B	241	243	anti-parallel

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There are 14 strands in BD sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	274	285	first strand
Strand 2	B	339	350	anti-parallel
Strand 3	B	298	303	first strand
Strand 4	B	306	320	parallel
Strand 5	B	323	328	first strand
Strand 6	B	355	359	first strand
Strand 7	B	372	378	first strand
Strand 8	B	387	400	first strand
Strand 9	B	403	407	first strand
Strand 10	B	423	426	first strand
Strand 11	B	431	439	parallel
Strand 12	B	444	449	first strand
Strand 13	B	458	466	first strand
Strand 14	B	387	400	anti-parallel

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There are 6 strands in CA sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	53	56	first strand
Strand 2	C	59	64	anti-parallel
Strand 3	C	4	12	parallel
Strand 4	C	83	91	parallel
Strand 5	C	114	119	parallel
Strand 6	C	151	153	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	187	196	first strand
Strand 2	C	265	267	anti-parallel
Strand 3	C	200	206	first strand
Strand 4	C	217	221	first strand
Strand 5	C	225	234	anti-parallel
Strand 6	C	237	239	first strand
Strand 7	C	247	253	anti-parallel
Strand 8	C	187	196	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	211	213	first strand
Strand 2	C	241	243	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	274	285	first strand
Strand 2	C	337	350	anti-parallel
Strand 3	C	297	303	first strand
Strand 4	C	306	319	anti-parallel
Strand 5	C	324	328	first strand
Strand 6	C	355	359	first strand
Strand 7	C	370	379	first strand
Strand 8	C	274	285	anti-parallel

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There are 7 strands in CE sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	388	400	first strand
Strand 2	C	458	466	anti-parallel
Strand 3	C	403	407	first strand
Strand 4	C	423	426	first strand
Strand 5	C	432	439	anti-parallel
Strand 6	C	444	450	first strand
Strand 7	C	388	400	anti-parallel

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There are 7 strands in A sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	32	34	first strand
Strand 2	D	53	56	anti-parallel
Strand 3	D	59	63	anti-parallel
Strand 4	D	4	11	parallel
Strand 5	D	85	91	parallel
Strand 6	D	114	119	parallel
Strand 7	D	151	153	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	187	189	first strand
Strand 2	D	265	267	anti-parallel
Strand 3	D	217	221	anti-parallel
Strand 4	D	225	234	anti-parallel
Strand 5	D	237	239	anti-parallel

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There are 7 strands in C sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	187	189	first strand
Strand 2	D	265	267	anti-parallel
Strand 3	D	217	221	anti-parallel
Strand 4	D	225	234	anti-parallel
Strand 5	D	247	253	anti-parallel
Strand 6	D	200	206	anti-parallel
Strand 7	D	192	196	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	237	239	first strand
Strand 2	D	225	234	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	211	213	first strand
Strand 2	D	241	243	anti-parallel

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There are 14 strands in DF sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	274	284	first strand
Strand 2	D	339	350	anti-parallel
Strand 3	D	297	303	first strand
Strand 4	D	306	320	anti-parallel
Strand 5	D	323	328	first strand
Strand 6	D	355	360	first strand
Strand 7	D	369	378	first strand
Strand 8	D	387	400	first strand
Strand 9	D	403	407	first strand
Strand 10	D	423	426	first strand
Strand 11	D	432	439	parallel
Strand 12	D	444	449	first strand
Strand 13	D	457	466	first strand
Strand 14	D	387	400	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: 4AC9

Analysis of interatomic Contacts of Structural Units in PDB entry:
4AC9