Sorry Eleanor, same problem in 'interleaved' order (except for 2 extra
atoms in LYS).

Strangely the error message is now repeated 91 times, even though there are
only 16 atoms (7+9) in the 2 residues: previously I only got the message
once !

Guess I must have imagined that it worked - it's called 'expectation bias' !

Thanks anyway.

-- Ian


On Wed, 2 Dec 2020 at 18:34, Eleanor Dodson <
0000176a9d5ebad7-dmarc-requ...@jiscmail.ac.uk> wrote:

> Only a hunch but this works:
>
> ATOM 1036 OD1AASN A 172 -7.722 13.371 -18.195 0.50 5.12 O
>
> ATOM 1037 OD1BASN A 172 -7.152 14.800 -15.791 0.50 7.63 O
>
>
> And here you have:ATOM 2354 N ATHR A 279 138.241 168.068 154.050 0.50
> 27.65 N
>
> ATOM 2355 CA ATHR A 279 136.909 167.684 153.607 0.50 28.45 C
>
> ATOM 2356 C ATHR A 279 135.937 167.731 154.799 0.50 31.92 C
>
> ATOM 2357 O ATHR A 279 136.426 167.682 155.949 0.50 32.52 O
>
> ATOM 2358 CB ATHR A 279 136.906 166.273 153.009 0.50 27.04 C
>
> ATOM 2359 OG1ATHR A 279 137.119 165.333 154.066 0.50 28.59 O
>
> ATOM 2360 CG2ATHR A 279 137.957 166.077 151.931 0.50 27.69 C
>
> ATOM 2361 N BLYS A 279 138.238 168.081 154.020 0.50 32.20 N
>
> ATOM 2362 CA BLYS A 279 136.870 167.701 153.585 0.50 36.51 C
>
> ATOM 2363 C BLYS A 279 135.930 167.793 154.787 0.50 38.18 C
>
> ATOM 2364 O BLYS A 279 136.377 168.014 155.910 0.50 42.23 O
>
> ATOM 2365 CB BLYS A 279 136.887 166.298 152.984 0.50 40.70 C
>
> ATOM 2366 CG BLYS A 279 137.909 166.091 151.872 0.50 46.05 C
>
> ATOM 2367 CD BLYS A 279 138.177 164.645 151.591 0.50 50.67 C
>
> ATOM 2368 CE BLYS A 279 139.166 164.047 152.568 0.50 59.69 C
>
> ATOM 2369 NZ BLYS A 279 140.515 163.892 151.967 0.50 59.05 N
>
>
>
>
> In case 1 OD1 A is immediately followed bu OD1B
>
>
> In second case - all As listed then all Bs
>
>
> Eleanor
>
>
>
>
> On Wed, 2 Dec 2020 at 14:34, Robbie Joosten <robbie_joos...@hotmail.com>
> wrote:
>
>> Hi Ian,
>>
>> AFAIK there is no clean solution for this and I imagine this problem goes
>> very deep into the internal representation of the model in REFMAC. That
>> said, 1 in 6 missing PDB-REDO entries is caused by this problem, so a
>> solution would be very welcome.
>>
>> Cheers,
>> Robbie
>>
>> > -----Original Message-----
>> > From: CCP4 bulletin board <CCP4BB@JISCMAIL.AC.UK> On Behalf Of Ian
>> > Tickle
>> > Sent: Wednesday, December 2, 2020 15:02
>> > To: CCP4BB@JISCMAIL.AC.UK
>> > Subject: [ccp4bb] Refmac not handling microheterogeneity?
>> >
>> >
>> > Dear All
>> >
>> > I just downloaded a PDB file (7A5V) from the EBI server, tried to run
>> Refmac
>> > on it and got the error:
>> >
>> > ERROR: in chain A residue: 279 different residues have the same number
>> > There is an error in the input coordinate file
>> >
>> > At least one the chains has 2 residues with the same number ===> Error:
>> > Problem with coordinate file
>> >
>> >
>> > and indeed residue A279 has:
>> >
>> > ATOM   2354  N  ATHR A 279     138.241 168.068 154.050  0.50 27.65
>>      N
>> >
>> > and
>> > ATOM   2361  N  BLYS A 279     138.238 168.081 154.020  0.50 32.20
>>      N
>> > and the same for all the other atoms in the residues.
>> >
>> > Searching the CCP4BB archives for "microheterogeneity" I see that this
>> has
>> > been discussed before and apparently it should "just work" if there are
>> alt
>> > atom indicators (check) and occupancies add up to <= 1 (check).  I must
>> say I
>> > also was of the impression that it "just worked" so I'm a bit confused
>> now
>> > why it doesn't.
>> >
>> > Version info:
>> > DISTRIB_DESCRIPTION="Ubuntu 20.04.1 LTS"
>> > ### CCP4 7.1.008: Refmac          version 5.8.0267 : 24/08/20##
>> >
>> > Is there some other hack I need to do to get it to work?
>> >
>> > Cheers
>> >
>> > -- Ian
>> >
>> >
>> >
>> >
>> > ________________________________
>> >
>> >
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