Analysis of interatomic Contacts of Structural Units in PDB entry:
4X2Q

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 4X2Q entry

There are 3 chains in PDB entry 4X2Q (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	LEU 8	SER 500
B	LEU 8	SER 500
C	LEU 8	ILE 353

There are 74 helices in PDB entry 4X2Q. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	AA1	A	55	69	Right-handed alpha
Helix 2	AA2	A	74	79	Right-handed alpha
Helix 3	AA3	A	80	98	Right-handed alpha
Helix 4	AA4	A	98	111	Right-handed alpha
Helix 5	AA5	A	113	120	Right-handed alpha
Helix 6	AA6	A	120	136	Right-handed alpha
Helix 7	AA7	A	170	185	Right-handed alpha
Helix 8	AA8	A	198	212	Right-handed alpha
Helix 9	AA9	A	227	234	Right-handed alpha
Helix 10	AB1	A	246	257	Right-handed alpha
Helix 11	AB2	A	282	292	Right-handed alpha
Helix 12	AB3	A	295	300	Right-handed 310
Helix 13	AB4	A	314	327	Right-handed alpha
Helix 14	AB5	A	346	362	Right-handed alpha
Helix 15	AB6	A	393	398	Right-handed alpha
Helix 16	AB7	A	412	422	Right-handed alpha
Helix 17	AB8	A	435	446	Right-handed alpha
Helix 18	AB9	A	481	484	Right-handed 310
Helix 19	AC1	B	55	69	Right-handed alpha
Helix 20	AC2	B	74	79	Right-handed alpha
Helix 21	AC3	B	80	98	Right-handed alpha
Helix 22	AC4	B	98	111	Right-handed alpha
Helix 23	AC5	B	113	120	Right-handed alpha
Helix 24	AC6	B	120	136	Right-handed alpha
Helix 25	AC7	B	137	139	Right-handed 310
Helix 26	AC8	B	170	186	Right-handed alpha
Helix 27	AC9	B	198	212	Right-handed alpha
Helix 28	AD1	B	227	235	Right-handed alpha
Helix 29	AD2	B	246	259	Right-handed alpha
Helix 30	AD3	B	282	296	Right-handed alpha
Helix 31	AD4	B	297	300	Right-handed 310
Helix 32	AD5	B	312	328	Right-handed alpha
Helix 33	AD6	B	346	362	Right-handed alpha
Helix 34	AD7	B	393	398	Right-handed alpha
Helix 35	AD8	B	412	422	Right-handed alpha
Helix 36	AD9	B	435	446	Right-handed alpha
Helix 37	AE1	B	478	484	Right-handed 310
Helix 38	AE2	C	55	69	Right-handed alpha
Helix 39	AE3	C	74	79	Right-handed alpha
Helix 40	AE4	C	80	98	Right-handed alpha
Helix 41	AE5	C	98	109	Right-handed alpha
Helix 42	AE6	C	113	120	Right-handed alpha
Helix 43	AE7	C	120	136	Right-handed alpha
Helix 44	AE8	C	137	139	Right-handed 310
Helix 45	AE9	C	170	185	Right-handed alpha
Helix 46	AF1	C	198	212	Right-handed alpha
Helix 47	AF2	C	227	234	Right-handed alpha
Helix 48	AF3	C	246	261	Right-handed alpha
Helix 49	AF4	C	282	292	Right-handed alpha
Helix 50	AF5	C	295	300	Right-handed 310
Helix 51	AF6	C	314	327	Right-handed alpha
Helix 52	AF7	C	346	362	Right-handed alpha
Helix 53	AF8	C	393	398	Right-handed alpha
Helix 54	AF9	C	412	422	Right-handed alpha
Helix 55	AG1	C	435	446	Right-handed alpha
Helix 56	AG2	C	478	483	Right-handed 310
Helix 57	AG3	D	55	69	Right-handed alpha
Helix 58	AG4	D	74	79	Right-handed alpha
Helix 59	AG5	D	80	98	Right-handed alpha
Helix 60	AG6	D	98	111	Right-handed alpha
Helix 61	AG7	D	113	120	Right-handed alpha
Helix 62	AG8	D	120	136	Right-handed alpha
Helix 63	AG9	D	172	185	Right-handed alpha
Helix 64	AH1	D	198	212	Right-handed alpha
Helix 65	AH2	D	227	235	Right-handed alpha
Helix 66	AH3	D	246	259	Right-handed alpha
Helix 67	AH4	D	282	295	Right-handed alpha
Helix 68	AH5	D	296	300	Right-handed 310
Helix 69	AH6	D	314	328	Right-handed alpha
Helix 70	AH7	D	346	362	Right-handed alpha
Helix 71	AH8	D	393	398	Right-handed alpha
Helix 72	AH9	D	412	422	Right-handed alpha
Helix 73	AI1	D	435	446	Right-handed alpha
Helix 74	AI2	D	478	482	Right-handed 310

There are 16 sheets in PDB entry 4X2Q. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4, AA5, AA6, AA7, AA8, AA9, AB1, AB2, AB3, AB4, AB5, AB6, AB7,

There are 2 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	22	24	first strand
Strand 2	A	27	29	anti-parallel

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There are 2 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	36	40	first strand
Strand 2	A	47	52	anti-parallel

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There are 10 strands in AA3 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	143	144	first strand
Strand 2	A	150	158	anti-parallel
Strand 3	A	486	494	anti-parallel
Strand 4	B	450	453	parallel
Strand 5	B	428	432	parallel
Strand 6	B	275	277	parallel
Strand 7	B	307	311	parallel
Strand 8	B	404	410	parallel
Strand 9	B	384	387	parallel
Strand 10	B	366	369	anti-parallel

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There are 5 strands in AA4 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	218	220	first strand
Strand 2	A	188	192	parallel
Strand 3	A	161	165	parallel
Strand 4	A	240	244	parallel
Strand 5	A	264	268	parallel

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There are 10 strands in AA5 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	366	369	first strand
Strand 2	A	384	389	anti-parallel
Strand 3	A	404	410	parallel
Strand 4	A	307	311	parallel
Strand 5	A	275	277	parallel
Strand 6	A	428	432	parallel
Strand 7	A	450	453	parallel
Strand 8	B	486	494	parallel
Strand 9	B	150	158	anti-parallel
Strand 10	B	143	144	anti-parallel

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There are 2 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	22	24	first strand
Strand 2	B	27	29	anti-parallel

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There are 2 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	36	40	first strand
Strand 2	B	47	52	anti-parallel

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There are 5 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	218	220	first strand
Strand 2	B	188	192	parallel
Strand 3	B	161	165	parallel
Strand 4	B	240	244	parallel
Strand 5	B	264	268	parallel

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There are 2 strands in AA9 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	22	24	first strand
Strand 2	C	27	29	anti-parallel

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There are 2 strands in AB1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	36	40	first strand
Strand 2	C	47	52	anti-parallel

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There are 10 strands in AB2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	142	144	first strand
Strand 2	C	150	158	anti-parallel
Strand 3	C	486	494	anti-parallel
Strand 4	D	450	453	parallel
Strand 5	D	428	432	parallel
Strand 6	D	275	277	parallel
Strand 7	D	307	311	parallel
Strand 8	D	404	410	parallel
Strand 9	D	384	387	parallel
Strand 10	D	366	369	anti-parallel

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There are 5 strands in AB3 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	218	220	first strand
Strand 2	C	188	192	parallel
Strand 3	C	161	165	parallel
Strand 4	C	240	244	parallel
Strand 5	C	264	268	parallel

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There are 10 strands in AB4 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	366	369	first strand
Strand 2	C	384	389	anti-parallel
Strand 3	C	404	410	parallel
Strand 4	C	307	311	parallel
Strand 5	C	275	277	parallel
Strand 6	C	428	432	parallel
Strand 7	C	450	453	parallel
Strand 8	D	486	494	parallel
Strand 9	D	150	158	anti-parallel
Strand 10	D	142	144	anti-parallel

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There are 2 strands in AB5 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	22	24	first strand
Strand 2	D	27	29	anti-parallel

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There are 2 strands in AB6 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	36	40	first strand
Strand 2	D	47	52	anti-parallel

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There are 5 strands in AB7 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	218	220	first strand
Strand 2	D	188	192	parallel
Strand 3	D	161	165	parallel
Strand 4	D	240	245	parallel
Strand 5	D	264	269	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: 4X2Q

Analysis of interatomic Contacts of Structural Units in PDB entry:
4X2Q